When should I plant Grønnkål in Zone 11b?

Start Grønnkål seeds indoors around Dec 4. Transplant outdoors after Dec 18. Expect first harvest around Feb 1.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Grønnkål in Zone 11b?

Yes. Grønnkål needs 60 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

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🥬 Growing Grønnkål in Zone 11b

Zone 11b has a year-round growing season. Grønnkål can be planted almost any time with proper planning. Siste frost: Jan 15. Første frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 4Dec 31

Season: Jan 15 – Dec 31 (350 dager)

Sone11b

Siste frostJan 15

Første frostDec 31

Sesong350 dager

Høst60 dager

SolHalvskygge

When to Plant Grønnkål in Zone 11b

Start Seeds Indoors: Dec 4

Start Grønnkål seeds indoors around Dec 4 (6 uker før siste frost). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Dec 18

Transplant Grønnkål seedlings outdoors after Dec 18. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Feb 1

First harvest approximately Feb 1 (~45 dager from transplant). Continue harvesting until first frost (Dec 31). Grønnkål can overwinter in mild climates for continued harvest.

Fall Planting: Nov 5

For a fall harvest, plant Grønnkål around Nov 5 (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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