When should I plant Tomat, San Marzano in Zone 4a?

Start Tomat, San Marzano seeds indoors around Mar 24. Transplant outdoors after May 19. Expect first harvest around Jul 23.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Tomat, San Marzano in Zone 4a?

Yes. Tomat, San Marzano needs 80 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🍅 Growing Tomat, San Marzano in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Tomat, San Marzano in this zone. Siste frost: May 5. Første frost: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 dager)

Sone4a

Siste frostMay 5

Første frostOct 1

Sesong149 dager

Høst80 dager

SolFull Sol

When to Plant Tomat, San Marzano in Zone 4a

Start Seeds Indoors: Mar 24

Start Tomat, San Marzano seeds indoors around Mar 24 (6 uker før siste frost). Optimal germination temperature: 80F. Germinates in 6-14 days.

Transplant Outdoors: May 19

Transplant Tomat, San Marzano seedlings outdoors after May 19. Wait until soil temperature reaches 60F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Jul 23

First harvest approximately Jul 23 (~65 dager from transplant). Continue harvesting until first frost (Oct 1).

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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