When should I plant Blomkål in Zone 7b?

Start Blomkål seeds indoors around Feb 27. Transplant outdoors after Mar 27. Expect first harvest around May 26.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Blomkål in Zone 7b?

Yes. Blomkål needs 75 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

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🥦 Growing Blomkål in Zone 7b

Zone 7b has mild winters and a long growing season -- good conditions for Blomkål. Siste frost: Apr 10. Første frost: Nov 7.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 27Nov 7

Season: Apr 10 – Nov 7 (211 dager)

Sone7b

Siste frostApr 10

Første frostNov 7

Sesong211 dager

Høst75 dager

SolFull Sol

When to Plant Blomkål in Zone 7b

Start Seeds Indoors: Feb 27

Start Blomkål seeds indoors around Feb 27 (6 uker før siste frost). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Mar 27

Transplant Blomkål seedlings outdoors after Mar 27. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: May 26

First harvest approximately May 26 (~60 dager from transplant). Continue harvesting until first frost (Nov 7).

Fall Planting: Aug 15

For a fall harvest, plant Blomkål around Aug 15 (12 weeks before first frost).

Samdyrking

✅ Spinat ✅ Selleri ✅ Timian✅ Bønner

❌ Tomater❌ Jordbær❌ Erter

Blomkål 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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