Tomato Seeds - Indeterminate - Japanese Black Trifele Slicing
Pear-shaped mahogany fruit with smoky, complex flavor and rich flesh.
- Non-GMO Safe Seed Pledge
- Seed packets printed on forestry-certified paper (FSC, SFI, Rainforest Alliance)
- Curbside-recyclable mailers; SFI-certified kraft paper
- 1% for the Planet partner — supports environmental nonprofits
- Compact, energy-efficient facility with lean, low-waste operations
- Seeds: When properly stored, planted, and cared for, we guarantee reasonable germination and true-to-type growth for one year from purchase.
- Non-seed products: Free from defects in materials and workmanship for 30 days from shipment.
Excludes factors outside our control (extreme weather, pests, gardener error). If something’s off, contact us—we’ll make it right with a replacement, repair, or refund.
We do not sell seeds that are GMO or BE.
USDA “bioengineered (BE)” foods are those with detectable genetic material that was modified using in vitro recombinant DNA (rDNA) techniques, in ways not obtainable through conventional breeding or found in nature. The USDA’s National Bioengineered Food Disclosure Standard uses “bioengineered” as the nationwide labeling term.
- Detectable modified genetic material in the final food
- Created via in vitro rDNA techniques (e.g., gene transfer)
- Modifications not achievable through conventional breeding or nature
Description
The Japanese Black Trifele Tomato (pronounced “tree-fell”) is an indeterminate heirloom variety celebrated for its distinctive pear shape, dusky mahogany color, and rich, smoky-sweet flavor. Maturing in about 75–85 days, this variety produces 4–6 ounce fruits with smooth, glossy skin and meaty, deep red-brown flesh streaked with earthy green shoulders.
The flavor is intense and complex—sweet, slightly salty, and layered with subtle undertones of wine and roasted fruit. Its thick, juicy flesh and low seed content make it a top choice for slicing, roasting, and sauces that benefit from bold depth and umami character.
Plants are vigorous and highly productive, typically reaching 5–7 feet with heavy fruit sets that continue through the season. They thrive in full sun and fertile, well-drained soil, performing especially well in regions with warm days and cool nights that enhance their color and flavor intensity.
Though the name suggests Japanese origins, this variety actually comes from Russia, where it was preserved by dedicated seedkeepers before gaining global acclaim. The Japanese Black Trifele Tomato remains one of the most elegant and flavorful “black” heirlooms grown today—a true gourmet tomato that blends beauty, heritage, and taste in perfect balance.
Your payment is processed securely via trusted gateways. We do not store credit card details and we do not have access to your card information.
Couldn't load pickup availability
1. Choosing the Right Location
Light Requirements:
Tomatoes are sun-loving plants that require at least 6–8 hours of direct sunlight daily, though 8–10 hours is ideal for strong fruit set and flavor. Choose a site with full southern exposure whenever possible. Avoid shaded areas near trees, fences, or tall crops. Plants grown in partial sun may produce leggy growth and fewer fruits.
Soil Requirements:
Tomatoes thrive in well-drained, loamy soil enriched with organic matter. The optimal pH range is 6.0–6.8, though they tolerate slightly acidic conditions. Prepare beds ahead of time by incorporating aged compost, leaf mold, or well-rotted manure to improve structure, fertility, and microbial activity.
Avoid compacted or waterlogged soil, which restricts root growth.
Sandy soils warm faster and suit early crops; heavier soils retain moisture better in dry climates.
Rotate planting sites annually to prevent nutrient depletion and disease buildup.
Soil Preparation Tip:
Before sowing or transplanting, loosen the top 8–12 inches of soil and blend in 2–3 inches of organic compost. If needed, amend with bone meal for phosphorus and greensand or kelp meal for potassium to promote strong roots and flowering.
2. Starting Seeds Indoors
Timing:
Sow tomato seeds 6–8 weeks before the final expected frost date. Adjust timing to your region so that transplants are ready to go outside once the soil has warmed to at least 60°F (16°C) and nighttime temperatures remain above 50°F (10°C).
Containers and Medium:
Use clean trays or small pots filled with a sterile, fine-textured seed-starting mix. Avoid heavy garden soil, which compacts easily and harbors pathogens.
Sowing Depth:
Sow seeds ¼ inch deep, cover lightly, and mist gently to settle the soil. Maintain even moisture—damp but never soggy.
Germination Conditions:
Tomato seeds germinate best at 75–85°F (24–29°C). Use a heat mat if needed. Germination typically occurs within 5–10 days, though some heirloom varieties may take up to two weeks.
Light After Germination:
Once sprouts appear, move trays to a bright, warm location or under full-spectrum grow lights. Provide 14–16 hours of light per day to prevent leggy growth. Keep lights about 2–3 inches above the seedlings and raise them as plants grow.
3. Transplanting Seedlings
Thinning:
Once seedlings develop their first set of true leaves, thin weaker ones to ensure each has ample light and airflow. Handle gently by the leaves, not the stems.
Potting Up:
When seedlings reach 3–4 inches tall, transplant them into larger pots (3–4 inches wide). Bury the stems up to the first true leaves—tomatoes form new roots along buried stems, creating stronger plants.
Hardening Off:
7–10 days before transplanting outdoors, gradually acclimate plants to outdoor conditions:
Start with 1–2 hours of filtered sun the first day.
Increase exposure each day, reducing watering slightly to toughen the stems.
Avoid windy or cold days during hardening.
4. Planting Outdoors
Timing:
Transplant tomatoes after the danger of frost has passed and the soil is warm. Soil temperatures below 55°F (13°C) can stunt root growth. Early planting can be improved by warming the soil with black plastic or row covers two weeks prior to transplanting.
Planting Depth:
Plant deeply—bury the stem up to the first or second set of true leaves. This encourages a robust root system. In heavy clay soil, plant slightly shallower and mound soil around the base.
Spacing:
Determinate (bush) types: 18–24 inches apart
Indeterminate (vining) types: 24–36 inches apart
Rows: Space rows 30–42 inches apart for good airflow and access.
Proper spacing reduces humidity around leaves, helping prevent fungal disease and promoting even ripening.
Watering at Planting:
Water thoroughly after transplanting to settle soil around the roots. Use lukewarm, non-chlorinated water. Avoid overhead watering—direct it at the base to minimize leaf wetness and disease spread.
5. Watering and Moisture Management
Initial Watering:
Keep the soil evenly moist but never waterlogged during germination and early growth. Light, frequent watering helps young roots establish.
Ongoing Watering:
Once established, switch to deep, infrequent watering, encouraging roots to grow downward. Aim for about 1–1.5 inches of water per week, adjusting for weather and soil type. Water early in the day so foliage dries before evening.
Organic Tip:
Use rainwater whenever possible—its natural minerals and softness encourage better plant health compared to chlorinated tap water.
6. Temperature and Climate Conditions
Tomatoes favor warm conditions with daytime temperatures between 70–85°F (21–29°C) and nighttime temperatures above 55°F (13°C). Extended cold slows growth, while prolonged heat above 95°F (35°C) may reduce fruit set.
In hot climates, provide light afternoon shade using shade cloth or tall companion crops (basil, corn, or sunflowers). In cooler regions, use row covers or cloches to retain warmth during early growth. Maintain steady soil warmth for optimal root activity.
7. Fertility and Soil Feeding
Before planting, mix compost into the soil at a rate of about 1 part compost to 3 parts native soil. Tomatoes are moderate-to-heavy feeders but respond best to slow, balanced nutrition.
At planting time: mix a small handful of organic tomato fertilizer, bone meal, or worm castings into the hole.
Mid-season: side-dress with compost or dilute fish emulsion every 3–4 weeks.
Avoid over-fertilizing with nitrogen, which produces lush foliage but few fruits.
8. Early Support and Spacing Care
Install stakes, cages, or trellises at planting to avoid root disturbance later. Even determinate types benefit from light support to prevent fruit from touching the soil.
Maintain generous spacing to improve air circulation and light penetration—critical for disease prevention and even ripening.
9. Mulching and Moisture Control
After transplanting, apply 2–3 inches of organic mulch (straw, shredded leaves, or composted bark) around the base of each plant. Leave a small gap around the stem to prevent rot.
Mulch helps:
Retain soil moisture
Regulate temperature
Suppress weeds
Prevent soil from splashing onto leaves (reducing blight risk)
Refresh mulch as it decomposes throughout the season.
10. Organic Pest and Disease Prevention at Planting
Healthy soil and spacing are your best defense. Avoid synthetic chemicals—rely on prevention and natural balance.
Pests: Keep an eye out for aphids, hornworms, and whiteflies. Use neem oil, insecticidal soap, or hand-picking to control populations early.
Disease Prevention:
Water at the base to avoid wet leaves.
Provide good air flow between plants.
Rotate crops yearly; avoid planting tomatoes after peppers, potatoes, or eggplants.
Use compost teas (aerated or non-aerated) as a soil drench to boost microbial health.
Companion plants like basil, marigold, garlic, and borage help deter pests naturally while enhancing pollination and flavor.Choosing the Right Location:
Light Requirements: Tomato - Yellow Pear thrives in full sun. Select a location that receives at least 6-8 hours of direct sunlight daily.
Soil Requirements: Prefers well-drained, fertile soil with a pH of 6.0-6.8. Although adaptable to various soil types, it grows best in loamy soil enriched with organic matter.
Planting Seeds:
Timing: Start seeds indoors 6-8 weeks before the last expected frost date. Transplant seedlings outdoors after the last frost when the soil has warmed.
Sowing Depth: Sow seeds 1/4 inch deep in seed-starting mix. Cover lightly with soil and water gently.
Spacing: Thin seedlings to 18-24 inches apart when transplanting to allow adequate space for growth. Rows should be spaced about 24-36 inches apart.
Watering:
Initial Watering: Keep the soil consistently moist but not waterlogged until the seeds germinate, which typically takes 7-14 days.
Ongoing Watering: Once established, water deeply and regularly, especially during dry periods. Water the plants at the base to avoid wetting the foliage, which can lead to fungal diseases.
Temperature and Climate:
Preferred Temperature: Tomato - Yellow Pear grows best in warm temperatures ranging from 70-85°F (21-29°C). It can tolerate higher temperatures but may require more frequent watering during extreme heat.
Fertilization:
Feeding: Incorporate organic matter such as compost into the soil before planting. Use a balanced, all-purpose fertilizer at planting time and side-dress with compost or organic fertilizer mid-season.
Pruning and Thinning:
Thinning: Thin seedlings to prevent overcrowding, which can hinder growth and reduce air circulation.
Pruning: Prune suckers (the small shoots that grow between the stem and branches) to promote larger fruit production. Stake or cage plants to support the vines and improve air circulation.
Mulching:
Mulch Application: Apply a layer of organic mulch around the base of the plants to retain soil moisture, suppress weeds, and regulate soil temperature. Avoid piling mulch directly against the stems to prevent rot.
Pest and Disease Management:
Common Pests: While tomatoes can attract pests such as aphids, tomato hornworms, and whiteflies, using insecticidal soap or neem oil can help control these pests if necessary.
Diseases: Ensure good air circulation around the plants to prevent fungal diseases. Avoid overhead watering to minimize the risk of mildew and other fungal issues. Crop rotation and proper spacing can also help reduce disease incidence.
Watering
Provide 1–1½ inches of water weekly, increasing slightly during hot or fruit-heavy periods.
Water deeply and evenly to promote deep root development and prevent cracking.
Use drip irrigation or soaker hoses for slow, steady watering at the soil level, keeping foliage dry to avoid blight.
Avoid overhead watering, particularly in the evening.
Mulch 2–3 inches deep with straw, compost, or shredded leaves once the soil has warmed to stabilize moisture and regulate temperature.
Tip: Consistent soil moisture ensures smooth, blemish-free skins and enhances the dark, smoky flavor unique to Japanese Black Trifele.
Fertilizing
Before planting, mix 2–3 inches of compost or aged manure into the soil.
Feed every 2–3 weeks with a balanced organic fertilizer (10-10-10 or equivalent) during vegetative growth.
Once flowering begins, switch to a low-nitrogen, high-potassium formula (5-10-10) to promote fruiting and deepen pigmentation.
Add calcium or kelp extract monthly to strengthen stems and prevent blossom end rot.
Avoid overfertilization—too much nitrogen delays ripening and reduces fruit quality.
Tip: A light feeding of compost tea midway through the season boosts flavor complexity and the variety’s rich, earthy undertones.
Weeding & Mulching
Keep planting beds weed-free to reduce pest harborage and nutrient competition.
Apply 2–4 inches of organic mulch (straw, shredded leaves, or compost) to conserve moisture and suppress weeds.
Weed carefully near roots, which spread close to the surface.
Sun & Heat Management
Provide full sun—6–8 hours daily for deep mahogany coloration and full-bodied flavor.
Ideal air temperature range: 75–90°F (24–32°C).
In extreme heat (above 95°F or 35°C), provide 30–40% shade cloth to protect blossoms and reduce fruit scald.
Ensure good airflow between plants to lower humidity and prevent fungal disease.
Tip: Warm, consistent sunlight brings out the dark coloration and subtle plum-like sweetness that define this variety.
Spacing & Support
Space plants 24–30 inches apart with 36–48 inches between rows.
As an indeterminate variety, Japanese Black Trifele benefits from strong cages, stakes, or trellises for vertical support.
Train vines upward to improve air circulation and simplify harvesting.
Remove lower leaves below the first flower cluster to prevent soil splash and blight.
Tip: Because fruits grow in clusters and can be heavy, provide branch supports or soft ties beneath clusters to prevent snapping.
Companion Planting
Good Companions: Basil, marigolds, onions, garlic, parsley, and carrots deter pests and attract beneficial insects.
Avoid: Fennel, corn, and brassicas that compete for nutrients or attract hornworms.
Interplant with dill, coriander, or thyme to attract pollinators and predatory insects.
Tip: Basil enhances the tomato’s smoky flavor profile and helps repel common pests like aphids and whiteflies.
Container Growing
Grow in large containers (minimum 20–25 gallons) with sturdy cage or trellis support.
Use rich organic potting soil blended with compost and perlite for drainage.
Check moisture daily—container-grown tomatoes dry quickly under full sun.
Feed every 10–14 days with compost tea or liquid tomato fertilizer for sustained growth and production.
Tip: Container-grown plants often yield slightly smaller but more intensely flavored fruits due to controlled watering and soil nutrients.
Season Extension
Use row covers or tunnels early in the season to protect seedlings from cool nights and retain warmth.
Preheat soil with black plastic mulch before transplanting in cooler climates.
As frost approaches, remove new blossoms 4 weeks before frost to focus energy on ripening fruit.
Harvest nearly ripe fruits before frost—they’ll continue coloring indoors at 65–70°F (18–21°C).
Tip: Japanese Black Trifele’s thick flesh allows it to ripen beautifully off the vine—perfect for extended harvests.
Harvesting:
Harvest when fruits mature to their characteristic deep mahogany-brown color with dusky purple shoulders and a faint bronze sheen. Each fruit averages 4–6 ounces and develops a distinct pear shape that broadens at the base. Fully ripe fruits feel firm yet slightly yielding to gentle pressure near the stem.
Use pruning shears or scissors to harvest, leaving a short portion of stem attached to avoid tearing the calyx. Avoid twisting, as the thin skin can tear easily at peak ripeness.
Pick every two to three days during active ripening to ensure a steady yield and prevent overripe fruit softening on the vine. Avoid harvesting after rainfall or watering; excess moisture can cause cracking. Slightly underripe fruits ripen evenly indoors at room temperature.
Flavor & Culinary Use:
Japanese Black Trifele is celebrated for its rich, smoky-sweet flavor—dense, earthy, and complex, with undertones of plum and wine. The flesh is meaty, velvety, and low in seeds, evoking the full-bodied depth of classic black heirlooms like Cherokee Purple but with its own refined tang.
Excellent for slicing, roasting, or slow cooking. Its balanced sweetness and savory undertones make it ideal for artisan sauces, soups, and reductions where depth and color are desired.
When roasted or grilled, it develops a deep, umami-rich intensity that pairs beautifully with roasted garlic, balsamic reduction, and fresh herbs. It’s equally striking served raw with olive oil and sea salt for a rustic, elegant presentation.
Handling & Storage:
Store harvested fruits at 55–70°F (13–21°C) in a shaded, well-ventilated area. Avoid refrigeration, which dulls flavor and alters texture.
Arrange in a single layer, stem-side down, on paper or cloth-lined trays to prevent bruising. Avoid stacking, as the delicate shoulders of this variety are prone to pressure damage.
For market or transport, harvest when fruit color is 80–90% developed but still firm. Properly handled, Japanese Black Trifele tomatoes retain optimal flavor and texture for 5–7 days.
Pruning & Support:
As an indeterminate vine with dense foliage, Japanese Black Trifele benefits from structured support and moderate pruning. Provide cages, stakes, or trellises at least 6–7 feet tall.
Remove lower leaves after establishment to improve airflow and reduce soil-borne disease risk. Pinch suckers below the first flower cluster to focus energy into main stems and earlier fruiting.
Avoid excessive pruning; maintain enough canopy cover to shield fruits from direct sun and prevent heat scalding. Because of its clustered fruiting habit, secure branches gently with soft ties as clusters mature.
Sun & Water Tips:
Provide 6–8 hours of full sun daily for optimal flavor development and color depth. In very hot climates (above 95°F / 35°C), light afternoon shade helps preserve fruit firmness and prevents cracking.
Water deeply once or twice per week to maintain consistent moisture. Irregular watering can cause cracking or dull the rich, smoky flavor. Apply mulch (straw, compost, or shredded leaves) after the soil warms to retain moisture and moderate root temperature.
Use drip irrigation or soaker hoses to water at the base, keeping foliage dry to prevent foliar diseases such as early blight or septoria leaf spot.
Seed Saving:
Select seed from the healthiest, true-to-type plants producing uniform, pear-shaped fruits with rich coloration and full flavor. Allow chosen fruits to ripen fully on the vine for mature seed development.
Scoop seeds and pulp into a small jar with water and ferment for 2–3 days to break down the gelatinous seed coating. Stir daily to prevent mold. Rinse thoroughly and spread seeds thinly on a non-stick surface or mesh to dry for 7–10 days in shade with good airflow.
Store fully dried seeds in airtight containers in a cool, dark, and dry location. Properly cured Japanese Black Trifele seeds remain viable for 4–6 years. Being open-pollinated, they will breed true unless cross-pollinated by nearby tomatoes; maintain 25–50 feet of isolation for purity.
Ecological & Pollinator Notes:
Japanese Black Trifele thrives in rich, well-drained soils with high organic matter and microbial vitality. Its blossoms attract bees, hoverflies, and other beneficial pollinators that improve fruit set through vibration pollination.
Interplant with flowering herbs such as basil, borage, or calendula to attract beneficial insects and repel harmful pests. Rotate tomato crops every 2–3 years with legumes or leafy greens to prevent soil-borne pathogens and sustain soil fertility.
Avoid planting near potatoes or peppers, which share disease vectors. Space plants 30–36 inches apart for airflow and efficient sunlight distribution. Annual compost additions improve soil structure and flavor complexity of fruit.
Culinary Pairings & Presentation Tips:
Japanese Black Trifele’s deep color and rich flavor make it a favorite for sophisticated dishes and rustic fare alike. Slice into salads for contrast against golden and red varieties, or serve on bruschetta with olive oil, garlic, and basil for a smoky sweetness.
Roast halved fruits with thyme and balsamic vinegar for a deeply flavored pasta base or blend into a rich, silky soup. The dense flesh also makes it perfect for slow-cooked sauces and chutneys.
Pair with earthy flavors like mushrooms, caramelized onions, and aged cheeses. For striking presentation, combine with bright heirlooms such as Jaune Flammée or Green Zebra—the interplay of dark and light tones is both artistic and appetizing.
Insects & Mites
Tomato Hornworms (large green caterpillars, defoliation and fruit chewing)
Controls: Inspect plants in early morning or late evening when hornworms are most active. Handpick and destroy them promptly. Encourage parasitic wasps (Cotesia congregata) to naturally suppress populations. Apply Bacillus thuringiensis (Bt) in the late afternoon, ensuring full coverage of foliage. Maintain weed-free borders to reduce hornworm moth egg-laying.
Aphids (leaf curling, sticky honeydew, and stunted growth)
Controls: Use yellow sticky traps for monitoring. Apply neem oil or insecticidal soap every 5–7 days, focusing on the undersides of leaves. Introduce lady beetles, lacewings, and hoverflies by companion planting dill, fennel, or yarrow. Avoid nitrogen-heavy fertilizers that encourage soft, aphid-prone growth.
Whiteflies (leaf yellowing, honeydew accumulation, and black sooty mold)
Controls: Place yellow sticky traps around plants to capture adults. Spray neem oil or horticultural soap every 5–7 days as needed. Introduce Encarsia formosa wasps for long-term control. Maintain airflow by pruning lower leaves and keeping garden beds weed-free.
Spider Mites (fine webbing, stippling, and bronzed leaves)
Controls: Increase humidity and keep soil consistently moist. Hose down leaves to dislodge mites. Apply horticultural oil or insecticidal soap weekly until the infestation subsides. Avoid hot, dusty conditions that promote mite outbreaks.
Diseases
Early Blight (Alternaria solani) (dark concentric leaf spots and lower leaf dieback)
Controls: Rotate tomato crops every 2–3 years and avoid planting near peppers or potatoes. Apply copper-based fungicide at the first sign of symptoms. Water at soil level and remove infected leaves immediately. Mulch heavily to prevent soil splash.
Fusarium Wilt (Fusarium oxysporum) (yellowing and wilting starting from lower leaves)
Controls: Solarize soil before planting to reduce fungal spores. Grow resistant varieties if available. Ensure good drainage and avoid waterlogging. Remove and destroy infected plants and disinfect garden tools after handling them.
Septoria Leaf Spot (Septoria lycopersici) (numerous small gray lesions, leaf yellowing, and premature defoliation)
Controls: Maintain mulch to prevent soil splash and prune lower leaves for airflow. Apply copper fungicide preventively during humid weather. Remove and discard infected foliage promptly. Avoid overhead watering.
Physiological & Environmental Issues
Blossom End Rot (calcium deficiency, dark, sunken fruit ends)
Controls: Maintain consistent watering and mulch to conserve soil moisture. Test soil calcium levels and amend with lime or gypsum if low. Avoid nitrogen-heavy fertilizers that disrupt calcium uptake.
Cracking (caused by irregular watering or sudden heavy rain)
Controls: Keep irrigation steady and even. Use mulch to stabilize soil moisture. Harvest fruit promptly after rainfall to prevent splitting.
Sunscald (white, leathery patches on exposed fruit)
Controls: Maintain healthy foliage to shade fruits. Avoid over-pruning. Use light shade cloth during extreme heat for added protection.
Monitoring & Prevention — Quick Checklist
Inspect plants twice weekly for hornworms, aphids, and leaf spot symptoms.
Rotate tomato crops annually to prevent soilborne disease buildup.
Maintain mulch for moisture stability and soil splash prevention.
Water deeply at soil level, keeping foliage dry.
Prune lower leaves for airflow while retaining canopy cover for fruit shading.
Encourage beneficial insects with companion plant diversity.
Remove diseased foliage immediately and sanitize garden tools between uses.
Q: What type of tomato is Japanese Black Trifele?
Japanese Black Trifele is an indeterminate, open-pollinated heirloom tomato (Solanum lycopersicum) known for its unique pear-shaped fruits, deep mahogany-brown color, and rich, smoky flavor. Originating in Russia despite its name, this variety has become a favorite among chefs and gardeners for its elegant appearance and complex, earthy-sweet taste reminiscent of black cherry tomatoes but with denser flesh.
Q: How long does Japanese Black Trifele take to mature?
Expect 75–85 days from transplant to ripe fruit. It’s a mid-to-late season variety that yields heavily until frost.
Q: How long does it take for Japanese Black Trifele seeds to germinate?
Seeds germinate in 6–10 days when kept at 75–90 °F (24–32 °C) under consistent warmth and moisture.
Q: Does Japanese Black Trifele need special soil conditions?
Yes. It prefers fertile, well-drained loam with a pH between 6.0 and 6.8. Rich organic matter enhances the deep pigmentation and full-bodied flavor of its fruits.
Q: What spacing do Japanese Black Trifele tomatoes need?
Plant 24–36 inches apart in rows 36–48 inches apart. Provide sturdy support, as vines are vigorous and heavily laden with fruit clusters.
Q: Do I need more than one plant for pollination?
No. This variety is self-pollinating, though gentle airflow or pollinator visits can improve yield uniformity.
Q: Can I grow Japanese Black Trifele in containers?
Yes — use a 10–15 gallon container with rich potting soil and steady moisture. Because of its indeterminate habit, a tall trellis or cage is essential.
Q: How tall do Japanese Black Trifele plants get?
Plants reach 5–6 feet tall when supported. Pruning lower leaves improves air circulation and helps prevent blight in humid conditions.
Q: Why are my Japanese Black Trifele tomatoes cracking?
Cracking may occur due to uneven watering or sudden rainfall after dry periods. Keep moisture steady and apply mulch to reduce soil stress.
Q: How should I harvest Japanese Black Trifele tomatoes?
Harvest when fruits turn deep mahogany with slight purple undertones and feel slightly soft when pressed. Their rich flavor develops best when fully vine-ripened.
Q: How do I store Japanese Black Trifele tomatoes after harvest?
Store at 55–70 °F (13–21 °C) in a single layer, away from direct sunlight. Avoid refrigeration, which can dull flavor and texture.
Q: Are Japanese Black Trifele tomatoes good for cooking?
Yes. They’re excellent for roasting, slicing, or sauces — offering a balance of sweetness, acidity, and savory undertones. Their dark color also enriches soups and salsas.
Q: Are Japanese Black Trifele tomatoes heirloom?
Yes. This Russian heirloom has been preserved for decades and is celebrated for its distinctive shape, color, and refined, smoky flavor profile.
Q: Why are my fruits lighter in color?
Cool temperatures or excess nitrogen can cause paler fruit. Maintain warm growing conditions and moderate feeding to restore full pigmentation.
Q: Can I save seeds from Japanese Black Trifele?
Yes. Select ripe, true-to-type fruits, ferment seeds 2–3 days in water, rinse thoroughly, and dry completely before storing in a cool, dry place.
From Seed Indoors (Spring)
From Plant (Spring)
Fall Planting
Expected Harvest
Is this a good fit for your garden?
Tomatoes are one of the greatest agricultural gifts of the Indigenous peoples of the Americas. Long before European contact, Indigenous farmers of western South America and Mesoamerica had already domesticated wild Solanum species, transforming them from small, sour berries into richly flavored, productive crops. Grown in raised fields and terraced gardens, tomatoes became part of a vibrant food system alongside maize, beans, and chili peppers — a living agricultural science that continues among Indigenous growers today.
When tomato seeds traveled across the Atlantic in the 1500s, they carried that legacy with them. European growers, first skeptical, gradually embraced the fruit, refining new forms in Italy, France, and Spain. Yet every variety, from the smallest cherry to the densest paste tomato, still descends from those early Indigenous selections.
The Japanese Black Trifele Tomato is an exquisite pear-shaped heirloom renowned for its smoky flavor and rich, mahogany-brown hue. Despite its name, the variety does not originate in Japan — it was actually developed in Russia, where it was known as “Chyornyi Trufel,” or “Black Truffle.” The name “Japanese” was later added through Western seed exchanges, perhaps to emphasize its elegant appearance and gourmet reputation.
Its deep color and complex flavor come from natural pigments that trace back to the wild ancestors of tomatoes in the Andes, where variation in hue was first cultivated by Indigenous peoples. Russian gardeners preserved and refined the variety for flavor, yield, and adaptability in cool climates — demonstrating the global reach of the tomato’s ancient legacy and its ability to thrive in vastly different environments.
In today’s gardens, the Japanese Black Trifele Slicing Tomato stands as a fusion of beauty, history, and resilience. Each glossy, truffle-shaped fruit carries within it a global story — from Indigenous domestication to Russian preservation and worldwide appreciation — proving that the seed knows no borders, only hands that cherish it.
Healthy, well-adapted plants form the foundation of a strong seed line. Select only plants that are disease-free, vigorous, and true to type. Look for traits you wish to preserve—flavor, yield, fruit size, shape, color, and resilience to local conditions.
Mark these plants early in the season with colored ties or labels. Observe them through harvest, ensuring they maintain strong growth and fruit uniformity. Avoid saving seeds from hybrid varieties unless intentionally breeding for new traits, as hybrids will not breed true. Open-pollinated and heirloom tomatoes are ideal because they reproduce faithfully from one generation to the next.
When possible, save from at least six to ten plants per variety to maintain genetic diversity and avoid narrowing the gene pool.
2. Harvesting Seeds
Allow fruits to ripen fully on the vine until they develop deep color and softness. Overripe tomatoes produce the most mature, viable seeds.
Harvest carefully to avoid bruising.
Slice the fruit across its middle (not stem to blossom end) to expose the seed cavities.
Scoop out the seeds along with the gel (locular material) into a clean glass or ceramic container.
Label each container with the variety name immediately to prevent mix-ups.
3. Fermentation: Nature’s Cleaning Process
Tomato seeds are encased in a gelatinous coating that contains growth inhibitors. Fermentation naturally removes this layer while reducing seedborne pathogens in an organic, chemical-free way.
How to ferment seeds:
Add enough non-chlorinated or rainwater to the seed pulp to make it fluid.
Loosely cover the container with a breathable cloth or lid to allow airflow while keeping insects out.
Place in a warm, shaded area (70–80°F / 21–27°C).
Stir the mixture once or twice daily to encourage even fermentation.
Within 2–4 days, a thin film or mold will form on the surface—this is normal. The process is complete when most viable seeds have sunk to the bottom and the liquid no longer appears gelatinous.
Do not ferment longer than 4 days, as over-fermentation can reduce germination rates.
4. Cleaning Seeds (Organic Methods)
Once fermentation is complete:
Add fresh water, stir, and let the good seeds settle.
Carefully pour off the floating pulp, debris, and non-viable seeds.
Repeat until the water runs clear.
Strain the clean seeds through a fine mesh or cheesecloth to remove excess water.
Optional organic sanitization:
Instead of bleach, use one of the following gentle, natural alternatives:
Hydrogen peroxide rinse: Soak seeds in a 3% hydrogen peroxide solution for 5 minutes, then rinse thoroughly with clean water.
Apple cider vinegar solution: 1 part vinegar to 10 parts water for 1 minute, followed by thorough rinsing.
Chamomile tea soak: Use cooled, strong chamomile tea as a mild antifungal rinse before drying.
Each option helps reduce fungal spores while maintaining organic integrity.
5. Drying Seeds
Spread cleaned seeds in a single layer on a ceramic plate, mesh screen, or parchment paper. Avoid metal trays and paper towels, which can stick or react with the seeds.
Dry in a warm, shaded, well-ventilated area—never in direct sunlight or above 95°F (35°C). Stir daily to prevent clumping and ensure uniform drying.
Seeds are fully dry when they feel hard and brittle, breaking rather than bending under pressure. This usually takes 7–14 days depending on humidity.
If drying indoors in humid climates, a small fan or food dehydrator on the lowest setting (around 85°F / 29°C) can speed the process safely.
6. Storing Seeds
Proper storage protects your seed legacy:
Packaging: Store dry seeds in paper envelopes for short-term or airtight glass jars for long-term storage. You may add a small pouch of silica gel, baked rice, or powdered milk wrapped in paper as a natural desiccant.
Labeling: Write variety name, year saved, and any notable traits or growing conditions.
Environment: Keep seeds in a cool, dark, and dry place. Ideal storage temperatures are between 35–45°F (1–7°C).
Avoid frequent temperature changes or exposure to moisture. Under good storage, tomato seeds remain viable for 4–10 years, sometimes longer when kept refrigerated or frozen with humidity control.
7. Testing Seed Viability
Before planting, test seed viability to ensure quality:
Moisten a paper towel with clean, non-chlorinated water and place 10 seeds on it.
Fold and seal it inside a plastic bag or covered dish.
Keep in a warm (75–80°F / 24–27°C), dark area for 5–7 days.
Count how many have germinated.
8–10 sprouts: excellent viability
6–7 sprouts: acceptable, plant more heavily
Below 6 sprouts: refresh seed stock next season
8. Preventing Cross-Pollination
Tomatoes are self-pollinating, but pollinators like bees can occasionally cause crossing between varieties. To ensure purity:
Space varieties 10–25 feet apart if possible.
Use fine mesh blossom bags or lightweight fabric covers on selected flowers to ensure self-pollination only.
Collect seeds from multiple fruits and plants to preserve genetic diversity.
For seed-saving gardens, consider grouping similar types (like all cherries or all beefsteaks) in separate zones to minimize accidental crosses.
Isolation is especially important if you grow rare or heritage varieties that you want to keep true to their line.
9. Record Keeping and Documentation
Good records turn seed saving into a living science. Record:
Parent plant characteristics
Harvest date and location
Fermentation duration
Cleaning and drying methods
Storage conditions
Germination test results
Add personal notes on taste, disease resistance, and performance in your region. This information builds a reliable record of adaptation over time, forming the backbone of your seed stewardship work.
10. Organic Tips for Success
Never use chlorinated tap water; it can damage the natural microbial balance in fermentation.
Compost the leftover tomato pulp and skins—they enrich your soil for the next growing season.
Rotate crops yearly to prevent soilborne disease buildup.
Encourage beneficial insects such as native bees, hoverflies, and lady beetles to maintain ecological pollination balance.
Avoid synthetic fungicides or seed treatments that disrupt the natural seed microbiome.
Rejuvenate seed lots every few years by growing out and resaving fresh seed to maintain vitality.
Label immediately—unlabeled seed is lost history.
Culinary Uses
Tomatoes are among the most useful and diverse crops a grower can raise. Their natural harmony of sweetness, tang, and savory depth makes them a foundation of cuisines across the world. Nearly every culture has found ways to preserve, cook, or celebrate the tomato, and each type offers its own best use.
General Preparation Methods
Fresh Eating: Tomatoes can be sliced, diced, or eaten whole for a refreshing burst of flavor. Their acidity balances rich or oily dishes, and their juice adds natural umami depth to plant-based meals.
Cooking: Tomatoes transform when heat is applied—their sugars caramelize, their acidity mellows, and flavors deepen. Stewed or roasted tomatoes form the base for soups, sauces, chutneys, and gravies.
Preserving: Tomatoes are among the easiest crops to preserve. They can be sun-dried, oven-dried, canned, or frozen, retaining their bright taste for winter use.
Fermentation and Pickling: Sliced green or ripe tomatoes can be fermented with salt or lacto-cultured for tangy condiments rich in beneficial microbes.
Juices and Pastes: Pureed tomatoes yield smooth juice or concentrated paste for storage, sauces, and cooking.
Uses by Type
Each category of tomato lends itself best to certain culinary or preservation uses:
Slicer Tomatoes (Large and Beefsteak types):
Best for sandwiches, burgers, and fresh salads. Their large, juicy slices hold flavor and texture well. Excellent for thick sauces or roasted preparations.
Cherry and Grape Tomatoes:
Naturally sweet and quick to mature, these are perfect for snacking, salads, roasting, and skewers. They can be dried or blistered in oil for concentrated flavor.
Paste and Plum Tomatoes (Roma types):
Contain less water and more flesh, making them ideal for cooking down into sauces, ketchups, and pastes. Their texture holds well in slow-cooked dishes.
Canning or Processing Varieties:
Balanced between juice and flesh, these tomatoes are excellent for large-batch preserving. They peel easily, making them useful for stewed tomatoes, soups, and juice.
Heirloom Tomatoes:
Valued for their distinct colors, shapes, and complex flavors. Best enjoyed fresh, in salads, or as centerpiece ingredients where their taste and appearance shine.
Green or Specialty Tomatoes:
Unripe fruits or green varieties can be fried, pickled, or used in relishes. Their firm flesh and bright acidity make them unique for savory applications.
Nutritional Benefits
Tomatoes contribute richly to a healthy diet without overstating medicinal claims. They are naturally low in calories and high in hydration, providing essential nutrients that support overall well-being:
Vitamins: High in vitamin C, vitamin K, and vitamin A (as beta-carotene), which support immune function, bone strength, and visual health.
Minerals: Provide potassium, manganese, and trace amounts of iron and copper.
Phytonutrients: Contain lycopene, beta-carotene, and chlorogenic acid—antioxidants that help neutralize free radicals.
Dietary Fiber: Promotes digestion and balances blood sugar when eaten with other whole foods.
Cooking tomatoes increases lycopene availability, while fresh tomatoes retain higher vitamin C content, making both raw and cooked forms valuable parts of the diet.
Cultural and Practical Benefits
Tomatoes carry deep cultural significance. They connect growers and cooks through shared tradition, adaptation, and local flavor. Their ease of growth and abundance make them a cornerstone of seed sovereignty and community gardening.
Adaptability: Tomatoes thrive in containers, raised beds, and open fields, providing harvests even in limited space.
Economic and Community Value: A reliable crop for market growers and home seedkeepers alike. Fresh tomatoes, sauces, and preserved goods can all be sold or traded within local economies.
Seed Stewardship: Saving tomato seeds encourages local adaptation to soil and climate. Over time, these saved lines develop regional hardiness and flavor that reflect the land itself.
Teaching and Sharing: Tomatoes are often a beginner’s introduction to seed saving, fermentation, and seasonal cooking, bridging generations and passing on knowledge through practice.
Everyday Benefits and Kitchen Versatility
Tomatoes bring balance and brightness to nearly any dish. They pair naturally with herbs like basil, oregano, thyme, and parsley; with onions, garlic, and peppers; and with proteins ranging from beans to fish and poultry.
They also serve as a base for numerous cultural staples:
Italian: Pasta sauces, bruschetta, and margherita pizzas.
Mexican: Salsas, pico de gallo, and tomato-chile stews.
Indian: Tomato curries, chutneys, and masala gravies.
Mediterranean: Tomato-cucumber salads, stewed vegetables, and roasted spreads.
American and Southern: Fried green tomatoes, tomato gravy, and canning traditions.
Their diversity of form—round, pear-shaped, oblong, ribbed, or miniature—mirrors their diversity of use. Each variety, from a sun-warmed cherry to a dense Roma, brings its own balance of sweetness, acidity, and aroma to the plate.
Environmental and Garden Benefits
Beyond the kitchen, tomatoes contribute to ecological resilience:
Pollinator Attraction: Tomato blossoms draw bumblebees and native pollinators.
Companion Planting: Pair well with basil, marigold, garlic, and carrots to deter pests and enrich nearby crops.
Soil-Building Potential: Mulching tomato beds with compost and organic matter strengthens soil structure for future plantings.
Diversity Preservation: Growing multiple tomato types maintains genetic diversity, supporting the larger ecosystem of cultivated food plants.
Shipped from U.S.A.
Our seeds are grown and sourced from the US. They're then packed and shipped from Colerain NC.
Triple tested
We regularly test the quality and germination rate of our seeds. We're so confident that our seeds are backed by a 1 year warranty!
Soil Readiness
for Tomato Plants (Solanum lycopersicum)Where to get a soil test
Best option: your state’s Cooperative Extension soil testing lab.
Summary
Recommended Amendments (per 100 sq ft)
How to Use
- Mix P & K sources into top 3–6″ a week or two before planting.
- If pH is low, apply lime 3–4 weeks pre-plant (or fall/winter).
- Side-dress tomatoes with ~0.1 lb N / 100 sq ft at first fruit set; a light second side-dress after heavy early harvest is optional.
- Keep soil evenly moist and mulch to help prevent blossom-end rot (a Ca/moisture issue).
- Add 1–2″ finished compost yearly to build organic matter.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Join Our Newsletter for Exclusive Savings!
Sign up for our newsletter to get a 30% discount code sent straight to your inbox. If it doesn’t appear right away, please check your inbox settings, and if you still need help, we’re here to assist!
