When should I plant Blomkål in Zone 10a?

Start Blomkål seeds indoors around Jan 9. Transplant outdoors after Feb 6. Expect first harvest around Apr 7.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Blomkål in Zone 10a?

Yes. Blomkål needs 75 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

🥦

🥦 Growing Blomkål in Zone 10a

Zone 10a has a year-round growing season. Blomkål can be planted almost any time with proper planning. Siste frost: Feb 20. Første frost: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 dager)

Sone10a

Siste frostFeb 20

Første frostDec 1

Sesong284 dager

Høst75 dager

SolFull Sol

When to Plant Blomkål in Zone 10a

Start Seeds Indoors: Jan 9

Start Blomkål seeds indoors around Jan 9 (6 uker før siste frost). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Feb 6

Transplant Blomkål seedlings outdoors after Feb 6. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Apr 7

First harvest approximately Apr 7 (~60 dager from transplant). Continue harvesting until first frost (Dec 1).

Fall Planting: Sep 8

For a fall harvest, plant Blomkål around Sep 8 (12 weeks before first frost).

Samdyrking

✅ Spinat ✅ Selleri ✅ Timian✅ Bønner

❌ Tomater❌ Jordbær❌ Erter

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

Plan Your Garden Blomkål

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

Start Free Blomkål Growing Guide