When should I plant Tomat, San Marzano in Zone 3b?

Start Tomat, San Marzano seeds indoors around Apr 3. Transplant outdoors after May 29. Expect first harvest around Aug 2.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Tomat, San Marzano in Zone 3b?

Yes. Tomat, San Marzano needs 80 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🍅 Growing Tomat, San Marzano in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Tomat, San Marzano early indoors to maximize your harvest window. Siste frost: May 15. Første frost: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Sep 22

Season: May 15 – Sep 22 (130 dager)

Sone3b

Siste frostMay 15

Første frostSep 22

Sesong130 dager

Høst80 dager

SolFull Sol

When to Plant Tomat, San Marzano in Zone 3b

Start Seeds Indoors: Apr 3

Start Tomat, San Marzano seeds indoors around Apr 3 (6 uker før siste frost). Optimal germination temperature: 80F. Germinates in 6-14 days.

Transplant Outdoors: May 29

Transplant Tomat, San Marzano seedlings outdoors after May 29. Wait until soil temperature reaches 60F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Aug 2

First harvest approximately Aug 2 (~65 dager from transplant). Continue harvesting until first frost (Sep 22).

Samdyrking

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Tomat, San Marzano in Other Zones

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Plan Your Garden Tomat, San Marzano

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

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