When should I plant Blomkål in Zone 10b?

Start Blomkål seeds indoors around Dec 17. Transplant outdoors after Jan 14. Expect first harvest around Mar 15.

What is the last frost date for Zone 10b?

The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Blomkål in Zone 10b?

Yes. Blomkål needs 75 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.

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🥦 Growing Blomkål in Zone 10b

Zone 10b has a year-round growing season. Blomkål can be planted almost any time with proper planning. Sista frost: Jan 28. Första frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 17Dec 22

Season: Jan 28 – Dec 22 (328 dagar)

Zon10b

Sista frostJan 28

Första frostDec 22

Säsong328 dagar

Skörd75 dagar

SolFull Sol

When to Plant Blomkål in Zone 10b

Start Seeds Indoors: Dec 17

Start Blomkål seeds indoors around Dec 17 (6 veckor före sista frosten). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Jan 14

Transplant Blomkål seedlings outdoors after Jan 14. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm avstånd). Harden off plants for a week before moving outside.

Harvest: Mar 15

First harvest approximately Mar 15 (~60 dagar from transplant). Continue harvesting until first frost (Dec 22).

Fall Planting: Sep 29

For a fall harvest, plant Blomkål around Sep 29 (12 weeks before first frost).

Samplantering

✅ Spenat ✅ Selleri ✅ Timjan✅ Bönor

❌ Tomater❌ Jordgubbar❌ Ärtor

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

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