When should I plant Kål in Zone 9a?

Start Kål seeds indoors around Feb 6. Transplant outdoors after Feb 27. Expect first harvest around May 3.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Kål in Zone 9a?

Yes. Kål needs 80 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🥬 Growing Kål in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Kål. Siste frost: Mar 20. Første frost: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 dager)

Sone9a

Siste frostMar 20

Første frostNov 12

Sesong237 dager

Høst80 dager

SolFull Sol

When to Plant Kål in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Feb 27

Transplant Kål seedlings outdoors after Feb 27. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: May 3

First harvest approximately May 3 (~65 dager from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Aug 20

For a fall harvest, plant Kål around Aug 20 (12 weeks before first frost).

Samdyrking

✅ Poteter✅ Mynte ✅ Dill✅ Løk✅ Selleri

❌ Bønner❌ Tomater❌ Jordbær

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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