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Rosella Tomato Seeds

Scientific name Solanum lycopersicum var. cerasiforme

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Alliance of Native Seedkeepers  |  SKU: TM77

Seed packet & garden essentials

What to know before you plant

View complete growing & care facts
25 minimum seeds per packet
  • Maturity70-79 Days · 70-79 Days; generally measured from transplant under suitable conditions.
  • Growth habitIndeterminate · Annual · 61–72 in tall
  • Best useFresh snacking, salads, roasting, lunchbox harvests, and long-season picking.
  • Flavor & characterSweet, bright, juicy tomato flavor suited to fresh snacking.
  • Germination7–14 days · 75–90 °F
  • Seed preparationNo stratification or scarification; use warm mix, even moisture, and strong light after emergence.
  • SunFull sun
  • Support & spacingCage · space 24 in · rows 36 in
  • Container fitPossible in a very large container, generally 15–25 gallons, when strong support, deep soil volume, and daily summer water checks are available.
  • Water needsModerate
  • SoilLoamy · pH 6.0–6.5
  • Planting seasonSpring · blooms Summer · Tender
$200 USD $425
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Triple-tested seed qualityRegular quality and germination checks support every packet.

We regularly test seed quality and germination as lots move through storage and packing. We stand behind the seed we send and want customers to contact us when a packet does not perform as reasonably expected.

1-year seed warrantyCoverage begins on the date of purchase.

When properly stored, planted, and cared for, we guarantee reasonable germination and true-to-type growth for one year from the date of purchase. Conditions outside our control—including extreme weather, pests, unsuitable storage, and gardener error—are excluded. Contact us when something is not right so we can review the situation and work toward a replacement, refund, or another fair resolution.

Non-GMO / BE seed policyWe do not buy or sell genetically engineered or bioengineered seed.

Every seed variety we sell is non-GMO.

USDA’s National Bioengineered Food Disclosure Standard defines bioengineered foods as containing detectable genetic material modified through in vitro recombinant DNA methods in ways not achievable through conventional breeding or found in nature.

  • Hybrid means parent lines were conventionally crossed; hybrid does not mean GMO.
  • Heirloom and open-pollinated describe how a variety is maintained and reproduced.
  • Organic certification is separate and is shown only when verified for the individual product.

Read how we define heirloom, hybrid, and GMO/BE seed · USDA BE Standard

Packed in Colerain, North CarolinaPrepared in our seed room for gardens across the country.

Seeds are packed and shipped from Colerain, North Carolina. Our packets use forestry-certified paper, and we use recyclable paper mailers where appropriate. AONSK is also a 1% for the Planet partner while continuing to reduce waste in packing and fulfillment.

Seed success profile

Rules-based · no AI
Gardener experience Some experience is helpful
Germination difficulty Straightforward but temperature-sensitive
Preparation before sowing
No stratification or scarification; use warm mix, even moisture, and strong light after emergence.
Germination speed
Typical — usually 7–21 days
Growing complexity
Indeterminate cherry crop requiring cage, even moisture, airflow, and repeated scouting.
Patience and timing
70-79 Days
Is this seed a good match for your experience?
Expected germination
7–14
Germination temperature
75–90 °F
Stratification
None required
Scarification
None required
Pre-soaking
Not required
Light during germination
Cover lightly; provide strong light immediately after emergence.
Germination pattern
Reliable with fresh seed, controlled warmth, correct depth, and even moisture.
Transplant sensitivity
Transplant after hardening; avoid cold soil, frost, and severe root disturbance.
Starting method
Cataloged for indoor starting or transplanting; follow the hardening-off guidance.
Best chance of success
Control warmth and moisture, label the sowing date, and judge emergence across the full 7–14 day window before reseeding.
What to expect

Sow 1/4 in deep near 70–85°F. Germination commonly begins in 7-14 Day. Weak light after emergence, not seed quality, is a frequent cause of thin tomato seedlings.

Slow germination is not automatically failed germination.

Maintain the listed temperature, moisture, light, and treatment conditions for the full expected window. Some seed lots emerge gradually rather than all at once.

1 Beginner-friendly 2 One extra step 3 Some experience helpful 4 Patient growers 5 Advanced propagation

This deterministic profile uses recorded product facts; it is not Artificial Intelligence and is not a guarantee. Seed age, storage, sowing depth, moisture, temperature, light, local conditions, and aftercare can all affect results. Last reviewed July 2026.

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Open the detailed garden-fit planner Deterministic rules · no Artificial Intelligence · no live weather service

Complete product description

Rosella Tomato Seeds

Rosella Tomato Seeds produce red fruit in the cherry class on indeterminate plants. The crop is valued for sweet, bright, juicy tomato flavor suited to fresh snacking. Fruit size is small cherry fruit, generally 0.5–1.5 oz. and the recorded maturity is 70-79 days.

Description Rosella Tomato Seeds offer a delightful journey from garden to table with their indeterminate growth habit, ensuring a continuous harvest throughout the season. These vigorous plants reach impressive heights, providing an abundant yield of small, cherry-sized fruits. Typically maturing in approximately 70-75 days, Rosella tomatoes transition from a deep green to a rich, rosy pink, signaling their readiness for picking. The Rosella tomato is celebrated for its complex flavor profile, balancing sweetness with a subtle tartness that enhances both raw and cooked dishes. Their juicy texture makes them an excellent choice for fresh salads, while their robust flavor holds up well in sauces and salsas. Gardeners will appreciate the high yield and consistent fruiting, making Rosella a reliable choice for home cultivation. Incorporating Rosella tomatoes into your garden not only provides visual appeal with their vibrant color but also enriches your culinary creations.

Start Rosella Tomato Seeds indoors about six to eight weeks before the expected final frost. Sow 1/4 in deep, keep the mix near 70–85°F, and provide strong light immediately after emergence. Transplant after frost danger has passed and nights are reliably mild. Space plants about 24 in; install cage at transplanting so roots are not disturbed later. A deep, even watering rhythm, mulch after the soil warms, and airflow through the canopy do more for fruit quality than a schedule built on shallow daily watering.

Grow Rosella Tomato Seeds for fresh snacking, salads, roasting, lunchbox harvests, and long-season picking. Harvest by final color, gentle pressure, and the way fruit releases from the vine rather than by calendar alone. When heavy rain follows a dry period, pick mature fruit that has begun to color before it splits. Keep a written record of first bloom, first ripe fruit, cracking, flavor, disease pressure, and yield; memory becomes generous after the season is over, but a notebook remains honest.

Rosella Tomato Seeds belongs to the long record of tomato selection that began with domestication in the Americas and continued through farmers, gardeners, public breeders, market growers, and seedkeepers. Where a precise breeder or family chain is not supported by a primary record, this page does not invent one. The variety is described through observable fruit, plant habit, use, and the records kept by people who continue to grow it.

Minimum Seed Count: 25 seeds

Additional variety notes

Variety overview

Rosella Tomato Seeds are indeterminate cherry tomatoes producing red fruit. Small cherry fruit, generally 0.5–1.5 oz. The variety is best for fresh snacking, salads, roasting, lunchbox harvests, and long-season picking. Plan for cage, even soil moisture, full sun, and a harvest window of 70-79 days.

Every recorded growing detail

Complete growing & care facts

Continue to the garden-fit planner

Plant identity

Minimum seed count 25 seeds
Seed product profile Tomato
Scientific name Solanum lycopersicum var. cerasiforme
Also known as Tomato, Tomato Seeds - Indeterminate - Rosella
Life cycle Annual
Botanical family Solanaceae
Reproductive type Open-Pollinated (OP)
Heritage qualifiers Non-GMO
Native to the United States Domesticated Plant
Domestication note Andean South America

Seed success and gardener experience

Gardener experience Some experience is helpfulLevel 3 of 5
Germination difficulty Straightforward but temperature-sensitiveLevel 3 of 5
Preparation before sowing No stratification or scarification; use warm mix, even moisture, and strong light after emergence.
Stratification None required
Scarification None required
Pre-soaking Not required
Light during germination Cover lightly; provide strong light immediately after emergence.
Germination pattern Reliable with fresh seed, controlled warmth, correct depth, and even moisture.
Growing complexity Indeterminate cherry crop requiring cage, even moisture, airflow, and repeated scouting.
Transplant sensitivity Transplant after hardening; avoid cold soil, frost, and severe root disturbance.
First harvest or bloom 70-79 Days
Best chance of success Control warmth and moisture, label the sowing date, and judge emergence across the full 7–14 day window before reseeding.

Timing and climate

Days to maturity 70-79 Days
Germination 7-14 Day
Germination temperature 75–90 °F
Planting season Spring
Bloom season Summer
Frost tolerance Tender
Sunlight Full sun
Water needs Moderate

Site, soil, and space

Soil type Loamy
Preferred soil pH 6.0–6.5
Seed depth 1/4 in
Plant spacing 24 in
Row spacing 36 in
Mature height 61–72 in
Growth habit Indeterminate
Support needed Cage
Suitable growing locations In-ground bed, Raised bed, Greenhouse, High Tunnel, Containers, Community garden, Hydroponic, Vertical

Crop-specific details

Best uses Fresh snacking, salads, roasting, lunchbox harvests, and long-season picking.
Flavor profile Sweet, bright, juicy tomato flavor suited to fresh snacking.
Fruit size Small cherry fruit, generally 0.5–1.5 oz.
Container fit Possible in a very large container, generally 15–25 gallons, when strong support, deep soil volume, and daily summer water checks are available.

Garden-fit planning for this variety

Will Rosella Tomato Seeds fit your garden?

Compare this tomato with your season, expected temperatures, sunlight, soil, drainage, water access, support, crop history, and harvest goals.

Rules-based · no AI
Add a ZIP code and planting plan for seasonal context. The planner will estimate a broad frost window and typical planting-period temperatures. It does not use live weather.
1 Location, timing, and temperatures
2 Light, site, and growing space
3 Soil, drainage, and soil testing
4 Water, mulch, support, and crop history
5 Harvest goals and experience
6 Seed-starting fit and patience

Seed germination and growing the mature crop are different skills. These answers help the planner explain which part may need more experience.

Recorded profile for this seedSome experience is helpful · Straightforward but temperature-sensitiveReview the complete Seed Success Profile
Enter what you know about the garden. You can leave questions blank. The result will separate strong matches, planning needs, and reasons another tomato might be easier.

This planning tool uses broad regional frost windows, broad monthly temperature patterns, your own temperature entries when supplied, and the recorded product facts. It is not live weather or a guarantee. Local weather, microclimates, transplant health, soil conditions, and care can change the outcome.

Soil test, pH, drainage, and amendment calculator Have a laboratory soil report? Enter pH, nutrients, texture, bed size, and site observations here. Open soil tools
Recorded soil typeLoamy
Recorded pH range6.0–6.5
Water needsModerate
LightFull sun

Professional garden planning tool

Tomato Soil Test & Amendment Calculator

Translate a laboratory report into a bed-sized amendment estimate for Solanum lycopersicum.

Uses your lab values
Enter the numbers exactly as the laboratory reported them. Select the matching extractant and use the laboratory’s crop recommendation and every product label as the final authority. Field-soil rates do not apply to container mixes.
Need a laboratory soil test?Find your state Extension lab

Best option: your state’s Cooperative Extension soil testing lab.

Tip: Arid and alkaline-region laboratories may use Olsen phosphorus instead of Mehlich-3. Match the method printed on your report.
1

Report method and bed size

Choose the laboratory method and tell us how much ground you are amending.

Use the method printed on the report.
sq ft
Used to scale the shopping-list amounts.
Changes the size of the pH estimate.
2

Acidity and organic matter

Enter the pH and organic-matter percentage from the report.

Uses this product’s listed pH range.
%
Many garden beds perform well around 4–8%.
3

Nutrients reported by the lab

Enter ppm values only when your report uses ppm for these nutrients.

ppm
Target changes with extractant.
ppm
Broad tomato planning range: 150–200 ppm.
ppm
Interpret with pH, moisture, and lab guidance.
ppm
Interpret with pH and the laboratory recommendation.
The result scales broad educational estimates to the bed area. The laboratory recommendation and amendment label remain the final authority.
Enter at least one laboratory value above, then calculate.

Turn your soil report into a planting plan

Use the calculated pattern alongside the product label, your laboratory recommendation, and the way water moves through the bed. Read AONSK home and garden guides · Compare tomato varieties · Shop soil amendments · Shop fertilizers

The full variety record

Sowing, care, harvest, troubleshooting, and history

How to start Rosella Tomato Seeds from seedPreparation, timing, depth, germination, transplanting, spacing, and early care

Variety-specific germination notes

Sow 1/4 in deep near 70–85°F. Germination commonly begins in 7-14 Day. Weak light after emergence, not seed quality, is a frequent cause of thin tomato seedlings.

Complete sowing and planting guidance

Sow Rosella Tomato Seeds 1/4 in deep in a sterile, fine-textured seed-starting mix about 6–8 weeks before the expected final spring frost. Keep the root zone near 70–85°F; emergence commonly begins in 7-14 Day. Cover the seed lightly, maintain even moisture without saturation, and provide bright light as soon as cotyledons appear. Pot seedlings up when roots hold the first plug together or plants have several true leaves. Harden gradually for 7–10 days, protecting young plants from sudden wind, bright sun, and cold soil. Transplant only after frost danger has passed. Set plants about 24 in apart and secure the final support at planting.
How to grow this specific varietyLight, water, fertility, support, spacing, airflow, crop behavior, and season-long care

Variety-specific growing notes

Rosella should be evaluated as a complete crop: emergence, transplant recovery, canopy health, flower set, fruit quality, harvest labor, and response to local disease pressure. Indeterminate growth and cherry fruit determine the support and harvest pattern. Maintain an open but shaded canopy, avoid repeated shallow watering, and do not push soft growth with excess nitrogen. In humid seasons, remove lower spotted leaves early, keep fruit off the ground, and record whether symptoms move upward despite improved culture.

Complete growing guide

Grow Rosella Tomato Seeds in full sun, ideally eight or more direct hours. Use well-drained soil with compost and follow a soil test rather than feeding by habit. Water deeply enough to moisten the active root zone, then wait for the upper soil to begin drying before watering again. A two- to three-inch mulch layer, kept away from the stem, moderates moisture and reduces soil splash. The plant habit is indeterminate, so support and pruning should match that architecture. Determinate plants usually need only light cleanup and a cage or short stake; indeterminate plants need a strong cage, trellis, or stakes and may be trained to selected stems. Preserve enough foliage to shade fruit, especially in hot summers. Remove leaves touching the soil, scout twice each week, and rotate away from tomatoes, peppers, eggplants, and potatoes when garden space allows.
Practical field and garden tipsExtra techniques, timing adjustments, and observations that improve success
Record sowing date, emergence, transplant date, first bloom, first ripe fruit, and the weather around major problems. That record turns one season into evidence for the next. Do not mistake rank growth for plant health: deep-green, overfed vines can delay fruiting. Side-dress only after fruit set or when a soil test and plant response justify it. In humid Mid-Atlantic gardens, canopy airflow, base watering, mulch, and sanitation must work together. In extreme heat, afternoon shade cloth can reduce sunscald and flower loss without turning the bed into deep shade.
Harvest, storage, uses, and benefitsWhen and how to harvest, ways to use the crop, storage, culinary value, habitat value, and garden roles

Harvest and use notes

Harvest Rosella Tomato Seeds when fruit reaches its mature color and yields slightly to gentle pressure. Use it for fresh snacking, salads, roasting, lunchbox harvests, and long-season picking. For seed saving, select several healthy true-to-type plants and ferment seed from fully ripe fruit before drying and labeling it.

Uses and benefits

Rosella Tomato Seeds are best suited to fresh snacking, salads, roasting, lunchbox harvests, and long-season picking. The expected flavor is sweet, bright, juicy tomato flavor suited to fresh snacking. For fresh eating, harvest fully colored fruit that yields slightly to pressure. For sauce or roasting, allow fruit to reach full color and use promptly. Tomatoes intended for canning must be processed with a current tested recipe from the National Center for Home Food Preservation or another authoritative source; variety name alone does not determine safe acidity.
Seed saving and carrying the variety forwardPollination, isolation, selection, harvest, cleaning, drying, and storage
Rosella Tomato Seeds are open-pollinated and can be saved from healthy, true-to-type plants. Tomatoes are primarily self-pollinating, though occasional insect crossing can occur. For higher purity, separate varieties, bag flower clusters, or save from multiple correctly formed fruits on several plants. Squeeze seed and gel from fully ripe fruit into a labeled cup. Ferment for roughly 2–4 days, stirring daily, until the gel breaks down. Add water, pour off floating pulp, and repeat until clean seed settles. Dry the washed seed in a thin layer on a labeled nonporous surface for at least one to two weeks. Store only completely dry seed in a cool, dark, dry place. Do not save seed from diseased plants.
Common pests, diseases, and growing problemsIdentification, prevention, crop-safe response, and when intervention is justified

Variety troubleshooting summary

Leaves curling upward without mosaic or severe distortion often reflect heat, pruning, or moisture stress. Yellowing from the bottom with spots requires closer disease inspection. Cracking usually follows a rapid moisture change. Blossom-end rot reflects disrupted calcium movement during fruit development. Flower drop may follow heat, cold, drought, excess nitrogen, or high humidity. When symptoms do not fit a clear cultural problem, photograph the whole plant, both leaf surfaces, stem, fruit, and roots, then consult a local Extension diagnostic resource.

Complete pest and problem guide

Common tomato problems include early blight, Septoria leaf spot, bacterial spotting, wilt diseases, root-knot nematodes, hornworms, aphids, flea beetles, blossom drop, cracking, blossom-end rot, catfacing, and sunscald. Begin with diagnosis. Concentric target-like lesions on older leaves suggest early blight; many small tan or gray spots with dark margins may suggest Septoria; rapid water-soaked collapse in cool wet weather requires urgent late-blight attention. Reduce risk with rotation, clean transplants, mulch, base watering, airflow, tool sanitation, and removal of severely affected tissue. Blossom-end rot is usually a calcium-delivery disorder driven by root stress and uneven moisture, not proof that the soil simply lacks calcium.
Questions gardeners ask about this seedProduct-specific answers for sowing, care, harvest, use, and seed saving
Q: How long do Rosella Tomato Seeds take to germinate?
A: Usually 7-14 Day near 70–85°F, though seed age, depth, moisture, and temperature affect the window.

Q: Is this variety determinate or indeterminate?
A: Indeterminate. Match support and pruning to that habit.

Q: Can it grow in a container?
A: Possible in a very large container, generally 15–25 gallons, when strong support, deep soil volume, and daily summer water checks are available.

Q: Why are flowers falling without making fruit?
A: Heat, cold nights, drought, excess nitrogen, humidity, and weak pollen release can all contribute. Stabilize moisture and avoid heavy feeding before assuming a disease.

Q: Can I save seed?
A: Yes. Ferment seed from healthy, fully ripe, true-to-type fruit and dry it completely before storage.
History, provenance, and cultural contextWhat is documented, what is reported, what remains uncertain, and how the variety reached gardeners

Scientific name: Solanum lycopersicum var. cerasiforme

Provenance summary

Rosella Tomato Seeds belongs to the long record of tomato selection that began with domestication in the Americas and continued through farmers, gardeners, public breeders, market growers, and seedkeepers. Where a precise breeder or family chain is not supported by a primary record, this page does not invent one. The variety is described through observable fruit, plant habit, use, and the records kept by people who continue to grow it.

Plant and variety history

Rosella Tomato Seeds belongs to the long record of tomato selection that began with domestication in the Americas and continued through farmers, gardeners, public breeders, market growers, and seedkeepers. Where a precise breeder or family chain is not supported by a primary record, this page does not invent one. The variety is described through observable fruit, plant habit, use, and the records kept by people who continue to grow it.

Source and record notes

https://content.ces.ncsu.edu/growing-tomatoes-in-the-home-garden
https://extension.umn.edu/planting-and-growing-guides/saving-vegetable-seeds
https://ipm.ucanr.edu/home-and-landscape/tomato/

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