When should I plant Tomaat, San Marzano in Zone 4b?

Start Tomaat, San Marzano seeds indoors around Mar 20. Transplant outdoors after May 15. Expect first harvest around Jul 19.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Tomaat, San Marzano in Zone 4b?

Yes. Tomaat, San Marzano needs 80 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🍅 Kweken van Tomaat, San Marzano in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Tomaat, San Marzano in this zone. Laatste vorst: May 1. Eerste vorst: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 dagen)

Zone4b

Laatste vorstMay 1

Eerste vorstOct 5

Seizoen157 dagen

Oogst80 dagen

ZonVolle Zon

When to Plant Tomaat, San Marzano in Zone 4b

Start Seeds Indoors: Mar 20

Start Tomaat, San Marzano seeds indoors around Mar 20 (6 weken voor de laatste vorst). Optimal germination temperature: 80F. Germinates in 6-14 days.

Transplant Outdoors: May 15

Transplant Tomaat, San Marzano seedlings outdoors after May 15. Wait until soil temperature reaches 60F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Jul 19

First harvest approximately Jul 19 (~65 dagen from transplant). Continue harvesting until first frost (Oct 5).

Begeleidende Beplanting

✅ Knoflook✅ Asperge✅ Basilicum✅ Wortels✅ Goudsbloemen✅ Paprika’s✅ Uien

❌ Aardappels❌ Venkel❌ Maïs❌ Koolrabi

Tomaat, San Marzano in Andere Zones

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Plan Je Tuin voor Tomaat, San Marzano

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

Start Free Tomaat, San Marzano Growing Guide