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Tomato, San Marzano Growing Guide

Solanaceae family — San Marzano varietal

Days to Harvest80 days

SunlightFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

Germination6-14 days

HardinessTender

Germ. Temp80°F

Start Indoors6 weeks before last frost

Companion Planting

Garlic Asparagus Basil Carrots MarigoldsPeppersOnions

Avoid Planting Near

Potatoes Fennel Corn Kohlrabi

Growth Stages

Seedling
Vegetative Growth
Flowering
Fruiting / Harvest Ready

Planting Dates by Zone

Zone 1a Zone 1b Zone 2a Zone 2b Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b Zone 11a Zone 11b Zone 12a Zone 12b Zone 13a Zone 13b

Frequently Asked Questions

How long does it take to grow Tomato, San Marzano?

Tomato, San Marzano takes approximately 80 days from planting to harvest.

How much sun does Tomato, San Marzano need?

Tomato, San Marzano requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Tomato, San Marzano?

Plant Tomato, San Marzano at 1/sqft (12" apart) using square foot gardening spacing.

Can Tomato, San Marzano survive frost?

Tomato, San Marzano is frost-sensitive and should not be exposed to frost.

What are good companion plants for Tomato, San Marzano?

Good companion plants for Tomato, San Marzano include Garlic, Asparagus, Basil, Carrots, Marigolds, Peppers, Onions. Avoid planting near Potatoes, Fennel, Corn, Kohlrabi.

How long does Tomato, San Marzano take to germinate?

Tomato, San Marzano seeds germinate in 6-14 days at an optimal temperature of 80°F.

When should I start Tomato, San Marzano seeds indoors?

Start Tomato, San Marzano seeds indoors 6 weeks before your last frost date, then transplant 2 weeks after last frost.

Plan Your Tomato, San Marzano Garden

Track Tomato, San Marzano from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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