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Rosso Sicilian Tomato Seeds

Scientific name Solanum lycopersicum

About this variety

Rosso Sicilian: Determinate red stuffing and paste tomato with squat, fluted, thick-walled fruit.About this varietyRosso Sicilian is a determinate heirloom tomato producing squat, fluted red fruit around 6 ounces. Cornell describes thick walls and a mostly hollow interior, making the fruit useful for stuffing as well as paste and sauce preparations.GrowingStart tomato seed indoors six to eight weeks...

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Alliance Of Native Seedkeepers  |  SKU: TM38
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At a glance

The facts most gardeners need first

View the full variety record
25 minimum seeds per packet
  • Germination6–12 Days days · 75–90 °F
  • Maturity70-79 Days · Cornell lists about 70 days; actual timing varies with weather and growing conditions.
  • SunFull sun
  • Support & spacingCage · space 24 in · rows 36 in
  • Growth habitDeterminate · Annual
  • Best useStuffing, sauces, paste, roasting, and cooked tomato dishes
Secure checkout Details
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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-starting profileDifficulty, preparation, reliability, and timing Open

Seed success profile

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
6–12 Days
Growing complexity
Indeterminate slicer crop requiring stake, even moisture, airflow, and repeated scouting.
Patience and timing
80-89 Days
Is this seed a good match for your experience?
Expected germination
6–12 Days
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.
Planning window

Plan around 6–12 Daysat75–90 °F. Keep moisture, light, and preparation aligned with the sowing instructions below.

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

Seed age, storage, sowing depth, moisture, temperature, light, local conditions, and aftercare can affect results. Last reviewed July 2026.

Browse AONSK seed-starting and garden guides

Garden tools

Need a plan for your space?

Open the garden-fit planner or soil calculator only when you need them.

Open garden tools Uses this product’s recorded growing information. Local weather and garden conditions may vary.

About this variety

What to expect from Rosso Sicilian Tomato Seeds

Determinate red stuffing and paste tomato with squat, fluted, thick-walled fruit.

Read the complete product descriptionTraits, flavor, garden use, variety notes, and the full catalog record

Rosso Sicilian: Determinate red stuffing and paste tomato with squat, fluted, thick-walled fruit.

About this variety

Rosso Sicilian is a determinate heirloom tomato producing squat, fluted red fruit around 6 ounces. Cornell describes thick walls and a mostly hollow interior, making the fruit useful for stuffing as well as paste and sauce preparations.

Growing

Start tomato seed indoors six to eight weeks before planting outside. Sow 1/8 inch deep in sterile seed-starting mix and keep the seed zone about 75 to 90°F until emergence. Provide strong overhead light after seedlings emerge. Harden plants gradually, then transplant after frost danger has passed, nighttime temperatures are consistently above about 45°F, and the soil has warmed. Grow in full sun in fertile, well-drained loamy soil near pH 6.0 to 6.5. Space plants about 24 in apart with about 36 inches between rows and install a cage at planting. Support loaded branches as the determinate plant sets its concentrated crop. Water deeply and consistently, allowing the soil surface to begin drying between waterings without repeatedly stressing the plants.

Harvest and use

Harvest when the fluted fruit is evenly red and gives slightly to gentle pressure. The thick-walled, mostly hollow fruit can be stuffed, roasted, or cooked into sauces and paste.

Saving seed

Select healthy plants that match the characteristic Rosso Sicilian fruit and plant traits. Tomatoes are primarily self-pollinating, but crossing can occur. For home-use seed, separate modern round-fruited varieties by at least 10 feet and heirloom, potato-leaf, or strongly lobed types by at least 40 feet, or bag unopened blossoms when purity is especially important. Let selected fruit become fully ripe. Scoop the seed and gel into a labeled container and ferment at about 72 to 86°F for roughly two to three days, stirring twice daily. Add water, allow dense seed to settle, pour off floating pulp and light seed, and repeat until the water runs clear. Spread the cleaned seed thinly on a nonstick screen or similar surface until thoroughly dry. Store fully dry seed in a cool, dark, dry place with the cultivar, year, and lot clearly labeled. Confirm the original seed lot's reproductive classification before relying on saved seed to reproduce the cultivar, because seed from an unverified hybrid lot may segregate.

History

Cornell lists Russo Sicilian Togeta as an alternate name for Rosso Sicilian.

Additional variety overview

Rosso Sicilian is a determinate heirloom tomato producing squat, fluted red fruit around 6 ounces. Cornell describes thick walls and a mostly hollow interior, making the fruit useful for stuffing as well as paste and sauce preparations.
View all growing and care factsBotanical identity, timing, climate, soil, spacing, mature size, and crop-specific details

Plant identity

Minimum seed count 25 seeds
Seed product profile Tomato
Scientific name Solanum lycopersicum
Common name Stuffing Tomato
Cultivar or variety Rosso Sicilian
Also known as Tomato, Tomato Seeds - Indeterminate - Rosso Sicilian Slicing
Color Red
Life cycle Annual
Botanical family Solanaceae
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 slicer crop requiring stake, even moisture, airflow, and repeated scouting.
Transplant sensitivity Transplant after hardening; avoid cold soil, frost, and severe root disturbance.
First harvest or bloom 80-89 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 6–12 Days
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 1/8 in
Plant spacing 24 in
Row spacing 36 in
Growth habit Determinate
Support needed Cage
Suitable growing locations In-ground bed, Raised bed, Greenhouse, Community garden

Crop-specific details

Best uses Stuffing, sauces, paste, roasting, and cooked tomato dishes
Fruit size About 6 oz
Container fit Large container with a sturdy cage
Garden toolsOpen the garden-fit planner, planting-window questions, or soil calculator only when useful

Uses this product’s recorded growing information. Local weather, soil, and garden conditions may vary.

Garden-fit planning for this variety

Will Rosso Sicilian Tomato Seeds fit your garden?

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

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

Full growing record

Open only the section you need

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

Recorded germination plan

Expected germination
6–12 Days
Germination temperature
75–90 °F

Complete sowing and planting guidance

Start tomato seed indoors six to eight weeks before planting outside. Sow 1/8 inch deep in sterile seed-starting mix and keep the seed zone about 75 to 90°F until emergence. Provide strong overhead light after seedlings emerge. Harden plants gradually, then transplant after frost danger has passed, nighttime temperatures are consistently above about 45°F, and the soil has warmed. Grow in full sun in fertile, well-drained loamy soil near pH 6.0 to 6.5. Space plants about 24 in apart with about 36 inches between rows and install a cage at planting. Support loaded branches as the determinate plant sets its concentrated crop. Water deeply and consistently, allowing the soil surface to begin drying between waterings without repeatedly stressing the plants.
How to grow this specific varietyLight, water, fertility, support, spacing, airflow, crop behavior, and season-long care

Variety-specific growing notes

Install a sturdy cage at planting and support loaded branches as needed. Use mature color and slight softening as harvest cues rather than calendar days alone.

Complete growing guide

Start tomato seed indoors six to eight weeks before planting outside. Sow 1/8 inch deep in sterile seed-starting mix and keep the seed zone about 75 to 90°F until emergence. Provide strong overhead light after seedlings emerge. Harden plants gradually, then transplant after frost danger has passed, nighttime temperatures are consistently above about 45°F, and the soil has warmed. Grow in full sun in fertile, well-drained loamy soil near pH 6.0 to 6.5. Space plants about 24 in apart with about 36 inches between rows and install a cage at planting. Support loaded branches as the determinate plant sets its concentrated crop. Water deeply and consistently, allowing the soil surface to begin drying between waterings without repeatedly stressing the plants.

Practical field and garden tips

Install a sturdy cage at planting and support loaded branches as needed. Use mature color and slight softening as harvest cues rather than calendar days alone.
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 when the fluted fruit is evenly red and gives slightly to gentle pressure. The thick-walled, mostly hollow fruit can be stuffed, roasted, or cooked into sauces and paste. Select healthy plants that match the characteristic Rosso Sicilian fruit and plant traits. Tomatoes are primarily self-pollinating, but crossing can occur. For home-use seed, separate modern round-fruited varieties by at least 10 feet and heirloom, potato-leaf, or strongly lobed types by at least 40 feet, or bag unopened blossoms when purity is especially important. Let selected fruit become fully ripe. Scoop the seed and gel into a labeled container and ferment at about 72 to 86°F for roughly two to three days, stirring twice daily. Add water, allow dense seed to settle, pour off floating pulp and light seed, and repeat until the water runs clear. Spread the cleaned seed thinly on a nonstick screen or similar surface until thoroughly dry. Store fully dry seed in a cool, dark, dry place with the cultivar, year, and lot clearly labeled. Confirm the original seed lot's reproductive classification before relying on saved seed to reproduce the cultivar, because seed from an unverified hybrid lot may segregate.

Uses and benefits

Harvest when the fluted fruit is evenly red and gives slightly to gentle pressure. The thick-walled, mostly hollow fruit can be stuffed, roasted, or cooked into sauces and paste.
Seed saving and carrying the variety forwardPollination, isolation, selection, harvest, cleaning, drying, and storage
Select healthy plants that match the characteristic Rosso Sicilian fruit and plant traits. Tomatoes are primarily self-pollinating, but crossing can occur. For home-use seed, separate modern round-fruited varieties by at least 10 feet and heirloom, potato-leaf, or strongly lobed types by at least 40 feet, or bag unopened blossoms when purity is especially important. Let selected fruit become fully ripe. Scoop the seed and gel into a labeled container and ferment at about 72 to 86°F for roughly two to three days, stirring twice daily. Add water, allow dense seed to settle, pour off floating pulp and light seed, and repeat until the water runs clear. Spread the cleaned seed thinly on a nonstick screen or similar surface until thoroughly dry. Store fully dry seed in a cool, dark, dry place with the cultivar, year, and lot clearly labeled. Confirm the original seed lot's reproductive classification before relying on saved seed to reproduce the cultivar, because seed from an unverified hybrid lot may segregate.
Problems and answersPests, diseases, troubleshooting, practical response, and product-specific questions

Variety troubleshooting summary

Harvest when the fluted fruit is evenly red and gives slightly to gentle pressure. If fruit cracks, keep irrigation more even and avoid allowing plants to cycle repeatedly between very dry and very wet soil. If lower leaves develop expanding spots, remove heavily affected foliage, keep leaves dry during irrigation, improve airflow, and rotate future plantings. If blossoms drop during extreme heat or cold, protect plant vigor and wait for more favorable temperatures for fruit set.

Complete pest and problem guide

Watch for cutworms on young transplants, flea beetles, aphids, whiteflies, tomato hornworms, fruit-feeding caterpillars, and stink bugs. Common disease problems include early blight, Septoria leaf spot, bacterial spot, bacterial canker, and viral diseases. Rotate away from tomatoes, peppers, eggplants, and potatoes when possible; keep foliage off the soil; water at the base; improve airflow; remove badly diseased tissue; and clean tools between suspect plants. Blossom-end rot, cracking, sunscald, and poor fruit set are physiological problems often worsened by irregular moisture, root stress, exposed fruit, or extreme temperatures.

Questions gardeners ask

Q: What is the growth habit?
A: Determinate

Q: When should harvest begin?
A: about 70 days from transplant

Q: Can seed be saved?
A: Seed can be processed and stored, but confirm the original lot's reproductive classification before relying on saved seed to reproduce the cultivar.
History, provenance, and cultural contextWhat is documented, what is reported, what remains uncertain, and how the variety reached gardeners

Scientific name: Solanum lycopersicum

Common name: Stuffing Tomato

Cultivar or variety: Rosso Sicilian

Provenance summary

Rosso Sicilian is a determinate heirloom tomato producing squat, fluted red fruit around 6 ounces. Cornell describes thick walls and a mostly hollow interior, making the fruit useful for stuffing as well as paste and sauce preparations. Cornell lists Russo Sicilian Togeta as an alternate name for Rosso Sicilian.

Plant and variety history

Cornell lists Russo Sicilian Togeta as an alternate name for Rosso Sicilian.

Source and record notes

https://vegvariety.cce.cornell.edu/main/detail.php?filterBy=0&variety_id=6301
https://gardening.cals.cornell.edu/garden-guidance/foodgarden/vegetable-growing-guides/tomato-growing-guide/
https://njaes.rutgers.edu/fs678/
https://seedalliance.org/publications/tomato-seed-production-guide/
https://extension.psu.edu/seed-saving-basics

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