When should I plant Grønkål in Zone 2b?

Start Grønkål seeds indoors around Apr 13. Transplant outdoors after Apr 27. Expect first harvest around Jun 11.

What is the last frost date for Zone 2b?

The average last spring frost date for Zone 2b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Grønkål in Zone 2b?

Yes. Grønkål needs 60 days to harvest. Zone 2b has a 95-day growing season, which is sufficient.

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🥬 Growing Grønkål in Zone 2b

Zone 2b has harsh winters and a short growing season. Start Grønkål early indoors to maximize your harvest window. Sidste frost: May 25. Første frost: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 13Aug 28

Season: May 25 – Aug 28 (95 dage)

Zone2b

Sidste frostMay 25

Første frostAug 28

Sæson95 dage

Høst60 dage

SolHalvskygge

When to Plant Grønkål in Zone 2b

Start Seeds Indoors: Apr 13

Start Grønkål seeds indoors around Apr 13 (6 uger før sidste frost). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Apr 27

Transplant Grønkål seedlings outdoors after Apr 27. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Jun 11

First harvest approximately Jun 11 (~45 dage from transplant). Continue harvesting until first frost (Aug 28). Grønkål can overwinter in mild climates for continued harvest.

Fall Planting: Jul 3

For a fall harvest, plant Grønkål around Jul 3 (8 weeks before first frost).

Samdyrkning

✅ Salvie ✅ Dild✅ Løg✅ Rødbeder✅ Kartofler

❌ Jordbær

Grønkål 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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