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

Start Rajčiak, 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 Rajčiak, San Marzano in Zone 4b?

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

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🍅 Growing Rajčiak, San Marzano in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Rajčiak, San Marzano in this zone. Posledný mráz: May 1. Prvý mráz: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 dní)

Zóna4b

Posledný mrázMay 1

Prvý mrázOct 5

Sezóna157 dní

Úroda80 dní

SlnkoPlné Slnko

When to Plant Rajčiak, San Marzano in Zone 4b

Start Seeds Indoors: Mar 20

Start Rajčiak, San Marzano seeds indoors around Mar 20 (6 týždňov pred posledným mrazom). Optimal germination temperature: 80F. Germinates in 6-14 days.

Transplant Outdoors: May 15

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

Harvest: Jul 19

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

Sprievodné Sadenie

✅ Cesnak✅ Špargľa✅ Bazalka✅ Mrkvy✅ Nechtíky✅ Papriky✅ Cibule

❌ Zemiaky❌ Fenikel❌ Kukurica❌ Kaľrabi

Rajčiak, San Marzano in Other Zones

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

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

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