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San Marzano Italian Paste Tomato Seeds
Heirloom ★ Best Seller Non-GMO

San Marzano Italian Paste Tomato

$3.99 Packet - 50 Seeds
Mix ’n Match: buy 20+ eligible packets and pay just $3.25 each

Packet sizes count toward the offer. Bulk, PakPlus, and ProPak sizes are excluded.

Packet Size
Flat $5.99 shipping Germination guaranteed Non-GMO
Quick Facts
Days to Maturity80 days
SunlightFull Sun
Spacing18–36 in.
Germination5–10 days
Growing Information

Growing San Marzano Italian Paste Tomato

San Marzano Italian Paste Tomato Seeds produce the classic Italian paste tomato famous for its rich flavor, dense flesh, and exceptional cooking quality. A more rectangular and slightly later-ripening version of Roma, San Marzano offers bright red, meaty fruits with an extra-high solids content that makes them ideal for canning, slow simmering, and traditional tomato sauces. Their smooth texture and low seed count help them cook down into a thick, flavorful base prized by chefs and home gardeners alike.

These indeterminate vines grow tall and vigorous, often reaching 6–8 feet, and will benefit from staking or strong support throughout the season. Fruits average about 3½ inches long and are produced steadily from midseason onward, providing dependable yields of uniform, classic paste-type tomatoes. Whether you’re making homemade marinara, roasting tomatoes for freezing, or stocking your pantry with jars of tomato goodness, San Marzano remains one of the most trusted and flavorful paste varieties you can grow.

Days to Maturity: 80
Sow Method: Start Indoors
Sowing Depth: ¼ Inch
Plant Spacing: 24–36 Inches
Sun Exposure: Full Sun
Plant Height: 6–8 Feet
Fruit Size: 3½ Inches
Growing Habit: Indeterminate
Catalog Page: 21

How to start

Start Indoors

Sowing depth

¼ in.

Plant height

6–8 ft.

Botanical name

Solanum lycopersicum

Questions

FAQ

How should I start these seeds?
Recommended sow method: Start Indoors.
How deep do I plant them?
Sow at a depth of ¼ in..
How long until they germinate?
Typical germination: 5–10 days.
How far apart should I space the plants?
Recommended spacing: 18–36 in..
How much sun do they need?
Recommended sun exposure: Full Sun.
What’s your germination guarantee?
We stand behind the germination quality of our seed. If you have a germination issue, contact our team and we'll help make it right.
Not sure when to plant in your area? Planting dates depend on your local frost dates and growing zone.
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From the Garden

What Gardeners Are Saying

Customer Reviews

Based on 9 reviews
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A
Ann

best tomato ever

L
Len Slavin
2026 a Better Year

Planted these along with 4 other varieties last year. Was not a good year for anything but cucumbers. Seeds Germinated well and took off in the garden, but drought conditions killed most plants (event with drip irrigation). Seeds this year were excellent (about 95% Germination) plants are bulking up and will be ready for the garden in a few weeks. Looking forward to these and Better Boy, Early Girls making it thru the summer here in Western TN.

N
Nancy Monio
Planted San Marzano in 2025

I planted these in summer 2025. They all germinated. Very good tomato for canning and for Gumbo soup. Will be planting in 2026.

T
Thomas Leair
From Seed To Table

All seeds germinated into plants. Made for a great harvest

D
DRAGONFLY22
The BEST plum tomatoes bae none!

I have been using these for better than ten (10) years . I make alot to keep me and my wife going until the next season. Roma tomatoes are good but these are much better!

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