Customer Service Hours
Mon-Fri 8-4 MST
Features
Family
Solanaceae
Native
Andes
Life Cycle
Annual
Plant Height
Tall (Greater than 24")
Further Information
Growing Conditions
Frost Sensitive
About San Marzano Roma Pole Tomato Seeds
Solanum lycopersicum
3"–4" long, 1 ½" wide, oblong, red fruits. 'San Marzano' is a "paste" tomato.
Planting Tomato
Plant Spacing
A group of 3 seeds every 24"–36"
Light Required
Full sun
Plant Height
Tall (Greater than 24")
Planting Depth
¼"
Coverage & Planting Details
| Coverage | This packet yields approximately 20 plants when started inside. |
|---|---|
| Row Spacing | 36" |
| Seed Depth | ¼" |
| Seed Spacing | A group of 3 seeds every 24"–36" |
| Thinning | When 2" tall, thin to 1 every 24"–36" |
| Germination | 5–10 days |
| Start Indoors | RECOMMENDED. 4 to 6 weeks before transplanting. Transplant when air temperature is 45°F or warmer, usually 1 to 2 weeks after your average last frost date. Ideal soil temperature for germination is 70°–90°F. |
| Direct Sow | For mild climates only: 1 to 2 weeks after your average last frost date, and when soil temperature is at least 60°F. |
| Growing & Harvesting | San Marzano' tomatoes are at the peak of sun-ripened deliciousness when red, and have a slight give when gently squeezed. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
Send Your Recommendation
Total 5 star reviews: 37 Total 4 star reviews: 3 Total 3 star reviews: 4 Total 2 star reviews: 4 Total 1 star reviews: 3
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Rating
Which best describes you as a gardener?
51 reviews
- Collin S.Verified BuyerRated 5 out of 5 stars5/11/26Great germination and seem to be very resilient plants
Very pleased with these tomatoes, I only grew two starts for my garden but they both turned out very good with great vigorous growth once in the ground.
Which best describes you as a gardener? IntermediateBIBotanical Interests5/12/26Hey Collin,
We love hearing that our San Marzano Roma Pole Tomato Seeds gave you such great germination and that both your plants turned out with vigorous growth once they hit the ground! It sounds like you've got some strong, resilient tomato plants on your hands. Thanks for sharing your fantastic San Marzano growing success with us! Keep on growing 🌻️
- Kiara B.Verified BuyerRated 5 out of 5 stars5/8/26Germinating with the Seed Snail Method
Zone 8a, these tomatoes are so happy in the garden and most of the seeds started. I ended up giving away a lot of my starts since they were so successful.
Which best describes you as a gardener? IntermediateBIBotanical Interests5/8/26Hey Kiara,
We love hearing about your success with the Seed Snail Method and your San Marzano Roma Pole Tomato Seeds! It's great to hear you had so many successful starts that you had extras to share! Sharing is caring! Thanks for sharing your incredible germination and growing success with us! Keep on growing 🌻️
- Teresa E.Verified BuyerRated 5 out of 5 stars4/24/26Tomatoes
Good germination , healthy plants
Which best describes you as a gardener? IntermediateBIBotanical Interests5/3/26Hey Teresa,
We're happy to hear your San Marzano Roma Pole Tomato Seeds had great germination and are growing into healthy plants! It sounds like you're having great success in your garden this year. Thank you for sharing your wonderful experience with these fantastic seeds! Keep on growing 🌻️
- Sara R.IL, United StatesVerified BuyerRated 5 out of 5 stars4/19/26Great germination
Germination has been very good. Can't wait to have them in the ground and producing
Which best describes you as a gardener? ExpertWho do you grow for? YourselfHow do you prefer to grow? In Ground - Margaret C.Verified BuyerRated 4 out of 5 stars4/11/26So Far
So far I've started the seeds in March, indoors, on heat, under light. They were planted out at the beginning of April and are strong and growing well. I'm pleased with the purchase.
BIBotanical Interests4/12/26Hey Margaret,
We're so excited to hear your San Marzano Roma Pole Tomato Seeds got such a great start indoors and are growing strong after transplanting! Starting them in March with heat and light was perfect timing, and it sounds like they transitioned beautifully to the garden in April. These authentic Italian beauties are going to reward you with the most amazing sauce tomatoes - that classic San Marzano flavor is absolutely incredible! You're going to love harvesting those gorgeous elongated fruits. Keep on growing 🌻️