When should I plant Kålrot in Zone 3a?

Direct sow Kålrot outdoors around May 1. Expect first harvest around Jun 15.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Kålrot in Zone 3a?

Yes. Kålrot needs 45 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 3 successions.

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⚪ Growing Kålrot in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Kålrot early indoors to maximize your harvest window. Siste frost: May 22. Første frost: Sep 12.

Planting Calendar

Outdoor

Harvest

May 1Sep 12

Season: May 22 – Sep 12 (113 dager) · Succession: plant every 3 weeks (up to 3x)

Sone3a

Siste frostMay 22

Første frostSep 12

Sesong113 dager

Høst45 dager

SolFull Sol

When to Plant Kålrot in Zone 3a

Sow Seeds Outdoors: May 1

Direct sow Kålrot seeds outdoors around May 1. Wait until soil temperature reaches 40F. Space plants at 9/m² (10cm avstand).

Harvest: Jun 15

First harvest approximately Jun 15 (~45 dager from planting). Continue harvesting until first frost (Sep 12).

Fall Planting: Jul 18

For a fall harvest, plant Kålrot around Jul 18 (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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