Tomato Seeds - Indeterminate - Indigo Cherry Drops Cherry
Deep indigo cherries rich in antioxidants with balanced sweetness.
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- 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 Indigo Cherry Drops Tomato is a striking, indeterminate variety prized for its jewel-toned color and antioxidant-rich skin. Maturing in about 70–75 days, it produces heavy clusters of 1–1.5 inch round fruits with glossy purple-red skin that deepens to indigo where exposed to sunlight, the result of naturally occurring anthocyanins—the same beneficial compounds found in blueberries.
Fruits have a balanced, fruity flavor—sweet with a subtle tart edge that brightens salads, salsas, and roasted dishes. Their firm, juicy flesh and crack-resistant skins make them ideal for snacking and market display, holding both color and texture well after harvest.
Plants are vigorous and continuously productive, often reaching 6–8 feet tall and yielding steadily from midsummer until frost. They perform best in full sun and well-drained, nutrient-rich soil, with consistent deep watering to enhance fruit sweetness and prevent splitting.
Bred by the Indigo breeding program at Oregon State University, this variety combines modern nutrition with heirloom-quality flavor. The Indigo Cherry Drops Tomato delivers both beauty and substance—a visually stunning, healthful, and delicious addition to any tomato garden.
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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 dry conditions.
Water deeply and evenly to promote deep roots and reduce fruit cracking.
Use drip irrigation or soaker hoses to deliver water at soil level, keeping foliage dry and minimizing foliar disease.
Avoid overhead watering, especially in the evening.
Apply 2–3 inches of mulch—straw, shredded leaves, or compost—once the soil warms to maintain consistent moisture and reduce soil temperature fluctuations.
Tip: Steady moisture is essential for Indigo Cherry Drops’ even coloration and to prevent skin splitting common in anthocyanin-rich varieties.
Fertilizing
Before planting, incorporate 2–3 inches of compost or aged manure into the soil to establish a nutrient-rich base.
Feed every 2–3 weeks with a balanced organic fertilizer (10-10-10 or equivalent) during vegetative growth.
Once flowering begins, reduce nitrogen and switch to a fertilizer higher in potassium and phosphorus (5-10-10) to enhance fruit set and pigmentation.
Add calcium or kelp extract monthly to strengthen plant tissue and prevent blossom end rot.
Avoid overfertilization—excess nitrogen promotes excessive foliage growth at the expense of fruiting.
Tip: Consistent nutrient levels maintain healthy anthocyanin development and balance sweetness with acidity.
Weeding & Mulching
Keep growing beds weed-free to prevent resource competition and reduce pest habitat.
Apply 2–4 inches of organic mulch such as straw, compost, or shredded bark to suppress weeds, retain soil moisture, and improve microbial activity.
Weed by hand or with shallow tools to avoid damaging the upper root zone.
Sun & Heat Management
Provide full sunlight—at least 6–8 hours daily for proper color and flavor development.
Ideal air temperature range: 75–90°F (24–32°C).
In excessive heat (above 95°F or 35°C), use 30–40% shade cloth to protect flowers and prevent anthocyanin degradation.
Ensure strong airflow between plants to limit humidity and disease spread.
Tip: Full-spectrum sunlight deepens the purple pigmentation caused by anthocyanins, but partial shade during peak heat preserves fruit quality.
Spacing & Support
Space plants 24–30 inches apart with 36–48 inches between rows.
Indigo Cherry Drops is an indeterminate variety requiring sturdy cages, stakes, or trellises.
Train vines vertically for easier harvest and to improve airflow.
Remove the lowest leaves beneath the first flower cluster to reduce soil splash and limit fungal infection.
Tip: Prune lightly for airflow and focus energy on fruit clusters to achieve balanced yields and strong coloration.
Ecological Interplanting (Science-Based Companion Strategy)
Biodiversity first: Interplant with nectar- and pollen-rich species (e.g., dill, coriander, or sweet alyssum) to attract beneficial insects such as lacewings, hoverflies, and parasitic wasps that suppress aphids and whiteflies.
Research-supported pest reduction: Incorporate flowering strips nearby rather than single “companion” plants—field studies show these zones enhance biological control.
Soil rotation: Rotate tomatoes annually with legumes, grains, or root crops to reduce disease and nematode buildup.
Avoid dense monoculture: Closely related nightshades (peppers, eggplants, potatoes) share diseases and should not be grown in the same bed consecutively.
Tip: Focus on overall ecosystem diversity instead of single “magic” plant pairings—beneficial insect attraction and rotation are proven IPM tools.
Container Growing
Grow in large containers (minimum 15–20 gallons) with a tall cage or trellis.
Use a high-quality organic potting mix with compost and perlite for drainage.
Monitor moisture daily—container plants dry out faster in warm conditions.
Feed every 10–14 days with compost tea or liquid tomato fertilizer to sustain steady growth.
Tip: Mulch container surfaces to keep roots cool and stabilize moisture for better pigment development.
Season Extension
Use row covers or tunnels early in the season to protect seedlings and retain soil warmth.
Preheat soil with black plastic mulch in cooler regions before transplanting.
As frost nears, remove new blossoms 4 weeks before the first frost to focus energy on ripening fruit.
Harvest nearly ripe fruits before frost—they’ll finish coloring indoors at 65–70°F (18–21°C).
Tip: Fruits can complete anthocyanin coloration post-harvest in indirect light—avoid direct sun to prevent tough skins.
Harvesting:
Harvest when fruits develop a deep indigo-purple top that gradually blends into bright red beneath, with a glossy sheen indicating full ripeness. Each fruit averages 1–1.5 inches across and grows in large clusters. The shoulders should feel firm, while the lower half yields slightly to gentle pressure when ripe.
Use pruning shears or scissors to clip clusters cleanly, leaving a short stem section attached to prevent tearing and bruising. Avoid twisting or pulling, as ripe fruits detach easily and can split if overripe.
Pick every two to three days during active fruiting for peak sweetness and color consistency. Avoid harvesting after rainfall or heavy irrigation; moisture softens the skin and dulls the anthocyanin coloration.
Flavor & Culinary Use:
Indigo Cherry Drops offers a complex flavor profile—bright, sweet, and slightly tangy, underpinned by subtle berry-like notes due to its high anthocyanin content. The flesh is juicy yet firm, balancing sweetness and acidity beautifully.
Perfect for fresh eating, salads, and garnishes where its two-toned color adds drama. The high antioxidant concentration gives a pleasant, rich undertone uncommon in standard cherry types.
When roasted or grilled, it develops a jammy sweetness and deep color, making it excellent for confits, sauces, or roasted vegetable medleys. Its flavor also pairs wonderfully with cheese boards, flatbreads, or balsamic reductions.
Handling & Storage:
Store harvested fruit at 55–70°F (13–21°C) in a cool, ventilated area away from direct sunlight. Avoid refrigeration, which mutes flavor and disrupts pigment chemistry.
Arrange in shallow, single-layer baskets to prevent bruising and pressure marks. The firm skin allows for good shelf life—up to 7–10 days at room temperature when handled carefully.
Harvest slightly underripe for transport or market display; fruits continue ripening evenly off the vine without losing sweetness.
Pruning & Support:
As a vigorous indeterminate cherry type, Indigo Cherry Drops requires tall, sturdy support and regular pruning. Provide trellises, stakes, or cages at least 7 feet high, and tie vines weekly as they grow.
Remove lower leaves after establishment to improve airflow and reduce soil splash. Pinch small suckers below the first flower cluster to promote a strong main stem and larger fruit clusters.
Maintain moderate foliage cover to protect fruits from excessive sunlight; while anthocyanins protect the skin, direct heat can reduce sweetness if stress levels rise.
Sun & Water Tips:
Provide 6–8 hours of direct sunlight daily for the richest coloration and fullest flavor. Anthocyanin pigmentation deepens in strong sunlight but fades under excess shade.
Water deeply once or twice per week, keeping soil consistently moist but not saturated. Irregular watering can lead to cracking, particularly during rapid ripening. Apply organic mulch such as straw, compost, or shredded leaves after the soil warms to stabilize moisture and temperature.
Use drip irrigation or soaker hoses to water at the base, keeping foliage dry to prevent fungal issues such as septoria and blight.
Seed Saving:
Select seed from healthy, true-to-type plants bearing evenly pigmented fruits with balanced sweetness and firmness. Allow selected fruits to ripen fully on the vine until soft and deeply colored.
Scoop seeds and pulp into a jar with water and ferment for 2–3 days to dissolve the gelatinous seed coating. Stir daily to prevent mold. Rinse thoroughly and spread seeds thinly on a non-stick surface or fine mesh to dry for 7–10 days in shade with steady airflow.
Store fully dried seeds in airtight containers in a cool, dark, and dry location. Properly cured Indigo Cherry Drops seeds remain viable for 4–6 years. Being open-pollinated, they will breed true unless cross-pollinated by nearby tomato varieties; maintain 25–50 feet of isolation for purity.
Ecological & Pollinator Notes:
Indigo Cherry Drops thrives in organically rich, well-drained soil with strong microbial life. Its open blossoms attract bumblebees, hoverflies, and native bees, enhancing fruit set through vibration pollination.
Interplant with nectar-rich herbs such as basil, borage, or alyssum to support pollinator diversity and deter pest pressure naturally. Rotate tomato crops every 2–3 years with legumes or leafy greens to replenish nitrogen and prevent disease buildup.
Avoid planting near potatoes or peppers, which host similar pests and pathogens. Maintain 30 inches of spacing between plants for optimal airflow and sun exposure. Annual compost additions encourage balanced growth and nutrient cycling.
Culinary Pairings & Presentation Tips:
Indigo Cherry Drops’ stunning color gradient and balanced sweetness make it a favorite for both home cooks and chefs. Use fresh to highlight color contrast in salads, antipasto, or fruit-tomato blends.
Roast whole with olive oil, thyme, and garlic to create a glossy, deep-flavored side dish or blend into sauces for natural color enhancement.
Pairs beautifully with goat cheese, citrus dressings, and roasted nuts. For market or table presentation, mix with yellow and red cherry varieties to accentuate the unique purple-black tones that make Indigo Cherry Drops unforgettable.
Insects & Mites
Tomato Hornworms (large caterpillars, heavy defoliation and fruit chewing)
Controls: Handpick hornworms early in the morning or at dusk when they are most active. Encourage parasitic wasps (Cotesia congregata) to maintain natural control. Apply Bacillus thuringiensis (Bt) late in the afternoon, ensuring full leaf coverage. Keep weeds trimmed around the garden to eliminate alternate host plants for hornworm moths.
Aphids (leaf curling, sticky honeydew, reduced vigor)
Controls: Use yellow sticky traps to detect infestations early. Spray neem oil or insecticidal soap every 5–7 days until aphids are under control. Encourage beneficial predators such as lady beetles, lacewings, and hoverflies by planting dill, fennel, and yarrow nearby. Avoid excess nitrogen fertilization, which encourages aphid-prone soft foliage.
Whiteflies (leaf yellowing, honeydew accumulation, sooty mold)
Controls: Place yellow sticky traps near plants to capture adults. Apply neem oil or insecticidal soap weekly as needed. Introduce Encarsia formosa wasps for natural control. Prune lower leaves for airflow and keep the area around plants weed-free to minimize breeding sites.
Spider Mites (fine webbing, stippling, and leaf bronzing)
Controls: Increase humidity and maintain even soil moisture. Hose off plants with water to remove mites and dust. Apply horticultural oil or insecticidal soap weekly until populations decrease. Avoid drought stress and dusty garden conditions.
Diseases
Early Blight (Alternaria solani) (dark concentric leaf spots, lower leaf dieback)
Controls: Rotate crops every 2–3 years and avoid planting near other Solanaceae crops. Apply copper-based fungicide preventively during humid weather. Water at soil level to prevent leaf wetness and remove infected leaves promptly. Mulch heavily to reduce soil splash.
Fusarium Wilt (Fusarium oxysporum) (yellowing, wilting, one-sided leaf drop)
Controls: Solarize soil before planting to reduce fungal spore levels. Grow resistant varieties when possible. Maintain proper drainage and avoid overwatering. Remove infected plants and sanitize tools thoroughly.
Septoria Leaf Spot (Septoria lycopersici) (small gray lesions, lower leaf yellowing, and defoliation)
Controls: Maintain mulch to prevent soil splash. Apply copper fungicide preventively during wet or humid conditions. Prune for airflow and remove infected foliage immediately. Avoid overhead watering and dense planting.
Physiological & Environmental Issues
Blossom End Rot (calcium deficiency, dark sunken areas at fruit ends)
Controls: Maintain consistent watering with mulch to regulate soil moisture. Test soil calcium levels and amend with lime or gypsum if needed. Avoid overfertilizing with nitrogen, which can hinder calcium uptake.
Cracking (caused by uneven watering or sudden rainfall during ripening)
Controls: Maintain regular irrigation and avoid cycles of drought followed by heavy watering. Use mulch to keep soil moisture consistent. Harvest fruits promptly after rain to prevent cracking.
Sunscald (white or leathery patches from sun exposure)
Controls: Maintain a healthy foliage canopy to shade fruit naturally. Avoid over-pruning and provide light shade (20–30%) during high heat.
Monitoring & Prevention — Quick Checklist
Inspect plants twice weekly for hornworms, aphids, and early disease signs.
Rotate tomato crops annually and avoid planting in the same soil.
Maintain mulch to conserve moisture and minimize soil splash.
Water at soil level, keeping foliage dry to prevent fungal disease.
Prune lower leaves for airflow while keeping canopy shade for fruit.
Encourage beneficial insects through diverse companion plantings.
Remove and dispose of diseased foliage immediately and disinfect tools.
Q: What type of tomato is Indigo Cherry Drops?
Indigo Cherry Drops is an indeterminate, open-pollinated cherry tomato (Solanum lycopersicum) celebrated for its striking color and rich, fruity flavor. Bred from heirloom and wild tomato lines at Oregon State University, it carries high levels of anthocyanins — the same antioxidant pigments found in blueberries — giving the fruits their signature deep purple shoulders over bright red flesh.
Q: How long does Indigo Cherry Drops take to mature?
Expect 70–80 days from transplant to first ripe fruit. The vines produce heavy clusters of 1–2" fruits throughout the growing season.
Q: How long does it take for Indigo Cherry Drops seeds to germinate?
Seeds typically germinate in 5–10 days when maintained at 75–90 °F (24–32 °C) in evenly moist seed-starting mix.
Q: Does Indigo Cherry Drops need special soil conditions?
Like most tomatoes, it thrives in rich, well-drained soil with a pH between 6.0 and 6.8. Compost or aged manure enhances soil fertility and boosts anthocyanin production.
Q: What spacing do Indigo Cherry Drops tomatoes need?
Space 24–36 inches apart in rows 36–48 inches apart to allow airflow. Staking or trellising supports vigorous vines and makes harvesting easier.
Q: Do I need more than one plant for pollination?
No. Indigo Cherry Drops is self-pollinating, though wind or pollinator activity helps ensure abundant fruit set.
Q: Can I grow Indigo Cherry Drops in containers?
Yes — use a 5–10 gallon container with nutrient-rich potting mix and regular feeding. Provide strong support, as vines grow tall and productive.
Q: How tall do Indigo Cherry Drops plants get?
Plants can reach 5–6 feet in height with proper support. Prune lightly to improve airflow and maintain plant vigor.
Q: Why are my Indigo Cherry Drops tomatoes not turning fully purple?
Anthocyanin pigments develop best in full sun and cooler nighttime temperatures. Partial shade or heat stress can reduce purple coloration.
Q: How should I harvest Indigo Cherry Drops tomatoes?
Harvest when the fruits have rich purple tops and the lower half ripens to deep red. Ripe fruits are slightly soft and detach easily from the vine.
Q: How do I store Indigo Cherry Drops tomatoes after harvest?
Store at 55–70 °F (13–21 °C) away from direct sunlight. Avoid refrigeration to preserve their complex flavor and aroma.
Q: Are Indigo Cherry Drops tomatoes good for cooking?
Yes. While best enjoyed fresh for their sweet-tart balance, they roast beautifully and add deep color to salsas, sauces, and salads.
Q: Are Indigo Cherry Drops tomatoes heirloom?
Not technically — this is a modern open-pollinated variety derived from heirloom and wild tomato genetics. It embodies heirloom flavor and traditional breeding values.
Q: Why are my fruits cracking or splitting?
Fluctuating soil moisture often causes cracking. Mulch and consistent watering help maintain steady growth and prevent fruit damage.
Q: Can I save seeds from Indigo Cherry Drops?
Yes. As an open-pollinated variety, saved seeds will grow true to type. Select the best fruit, ferment seeds 2–3 days, rinse, and dry thoroughly.
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 Indigo Cherry Drops Tomato is a modern open-pollinated variety bred to highlight the natural pigments of the tomato’s wild ancestors. Developed through public-domain breeding projects at Oregon State University, this variety features stunning deep purple shoulders — the result of anthocyanin compounds also found in blueberries. These pigments come from wild Solanum relatives native to the Andean region, reintroduced into modern tomatoes to restore lost nutrition and resilience.
This blend of cutting-edge breeding and ancient genetics bridges thousands of years of agricultural evolution. The shimmering indigo hue, paired with the sweetness of a cherry tomato, celebrates both modern scientific curiosity and Indigenous seedkeeping traditions that valued diversity, adaptation, and beauty.
In today’s gardens, the Indigo Cherry Drops Tomato stands as a symbol of innovation rooted in ancestry. Each jewel-like fruit embodies the continuity of knowledge — from the Indigenous farmers who first shaped the species to today’s breeders who honor that legacy by restoring its full color and vitality to the world.
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.
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