When should I plant Grønnkål in Zone 10b?

Start Grønnkål seeds indoors around Dec 17. Transplant outdoors after Dec 31. Expect first harvest around Feb 14.

What is the last frost date for Zone 10b?

The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Grønnkål in Zone 10b?

Yes. Grønnkål needs 60 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.

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🥬 Growing Grønnkål in Zone 10b

Zone 10b has a year-round growing season. Grønnkål can be planted almost any time with proper planning. Siste frost: Jan 28. Første frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 17Dec 22

Season: Jan 28 – Dec 22 (328 dager)

Sone10b

Siste frostJan 28

Første frostDec 22

Sesong328 dager

Høst60 dager

SolHalvskygge

When to Plant Grønnkål in Zone 10b

Start Seeds Indoors: Dec 17

Start Grønnkål seeds indoors around Dec 17 (6 uker før siste frost). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Dec 31

Transplant Grønnkål seedlings outdoors after Dec 31. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Feb 14

First harvest approximately Feb 14 (~45 dager from transplant). Continue harvesting until first frost (Dec 22). Grønnkål can overwinter in mild climates for continued harvest.

Fall Planting: Oct 27

For a fall harvest, plant Grønnkål around Oct 27 (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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