When should I plant Grønnkål in Zone 7b?

Start Grønnkål seeds indoors around Feb 27. Transplant outdoors after Mar 13. Expect first harvest around Apr 27.

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 Grønnkål in Zone 7b?

Yes. Grønnkål needs 60 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

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🥬 Growing Grønnkål in Zone 7b

Zone 7b has mild winters and a long growing season -- good conditions for Grønnkål. 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

Høst60 dager

SolHalvskygge

When to Plant Grønnkål in Zone 7b

Start Seeds Indoors: Feb 27

Start Grønnkål seeds indoors around Feb 27 (6 uker før siste frost). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Mar 13

Transplant Grønnkål seedlings outdoors after Mar 13. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Apr 27

First harvest approximately Apr 27 (~45 dager from transplant). Continue harvesting until first frost (Nov 7). Grønnkål can overwinter in mild climates for continued harvest.

Fall Planting: Sep 12

For a fall harvest, plant Grønnkål around Sep 12 (8 weeks before first frost).

Samdyrking

✅ Salvie ✅ Dill✅ Løk✅ Rødbeter✅ Poteter

❌ Jordbær

Grønnkål 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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