When should I plant Kål in Zone 3a?

Start Kål seeds indoors around Apr 10. Transplant outdoors after May 1. Expect first harvest around Jul 5.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Kål in Zone 3a?

Yes. Kål needs 80 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

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🥬 Growing Kål in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Kål early indoors to maximize your harvest window. Siste frost: May 22. Første frost: Sep 12.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 10Sep 12

Season: May 22 – Sep 12 (113 dager)

Sone3a

Siste frostMay 22

Første frostSep 12

Sesong113 dager

Høst80 dager

SolFull Sol

When to Plant Kål in Zone 3a

Start Seeds Indoors: Apr 10

Start Kål seeds indoors around Apr 10 (6 uker før siste frost). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: May 1

Transplant Kål seedlings outdoors after May 1. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Jul 5

First harvest approximately Jul 5 (~65 dager from transplant). Continue harvesting until first frost (Sep 12).

Fall Planting: Jun 20

For a fall harvest, plant Kål around Jun 20 (12 weeks before first frost).

Samdyrking

✅ Poteter✅ Mynte ✅ Dill✅ Løk✅ Selleri

❌ Bønner❌ Tomater❌ Jordbær

Kål 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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