When should I plant Kål in Zone 9b?

Start Kål seeds indoors around Jan 27. Transplant outdoors after Feb 17. Expect first harvest around Apr 23.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Kål in Zone 9b?

Yes. Kål needs 80 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🥬 Growing Kål in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Kål. Sista frost: Mar 10. Första frost: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 dagar)

Zon9b

Sista frostMar 10

Första frostNov 15

Säsong250 dagar

Skörd80 dagar

SolFull Sol

When to Plant Kål in Zone 9b

Start Seeds Indoors: Jan 27

Start Kål seeds indoors around Jan 27 (6 veckor före sista frosten). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Feb 17

Transplant Kål seedlings outdoors after Feb 17. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm avstånd). Harden off plants for a week before moving outside.

Harvest: Apr 23

First harvest approximately Apr 23 (~65 dagar from transplant). Continue harvesting until first frost (Nov 15).

Fall Planting: Aug 23

For a fall harvest, plant Kål around Aug 23 (12 weeks before first frost).

Samplantering

✅ Potatisar✅ Mynta ✅ Dill✅ Lökar✅ Selleri

❌ Bönor❌ Tomater❌ Jordgubbar

Kål 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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Track Kål from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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