When should I plant Kålrot in Zone 1b?

Direct sow Kålrot outdoors around May 4. Expect first harvest around Jun 18.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Kålrot in Zone 1b?

Yes. Kålrot needs 45 days to harvest. Zone 1b has a 95-day growing season, which is sufficient. You can plant up to 2 successions.

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⚪ Growing Kålrot in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Kålrot early indoors to maximize your harvest window. Siste frost: May 25. Første frost: Aug 28.

Planting Calendar

Outdoor

Harvest

May 4Aug 28

Season: May 25 – Aug 28 (95 dager) · Succession: plant every 3 weeks (up to 2x)

Sone1b

Siste frostMay 25

Første frostAug 28

Sesong95 dager

Høst45 dager

SolFull Sol

When to Plant Kålrot in Zone 1b

Sow Seeds Outdoors: May 4

Direct sow Kålrot seeds outdoors around May 4. Wait until soil temperature reaches 40F. Space plants at 9/m² (10cm avstand).

Harvest: Jun 18

First harvest approximately Jun 18 (~45 dager from planting). Continue harvesting until first frost (Aug 28).

Fall Planting: Jul 3

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

Samdyrking

✅ Erter✅ Vikke

❌ Knoppurt❌ Sennepsblad

Kålrot 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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