When should I plant Kool in Zone 10a?

Start Kool seeds indoors around Jan 9. Transplant outdoors after Jan 30. Expect first harvest around Apr 5.

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 Kool in Zone 10a?

Yes. Kool needs 80 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

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🥬 Kweken van Kool in Zone 10a

Zone 10a has a year-round growing season. Kool can be planted almost any time with proper planning. Laatste vorst: Feb 20. Eerste vorst: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 dagen)

Zone10a

Laatste vorstFeb 20

Eerste vorstDec 1

Seizoen284 dagen

Oogst80 dagen

ZonVolle Zon

When to Plant Kool in Zone 10a

Start Seeds Indoors: Jan 9

Start Kool seeds indoors around Jan 9 (6 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Jan 30

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

Harvest: Apr 5

First harvest approximately Apr 5 (~65 dagen from transplant). Continue harvesting until first frost (Dec 1).

Fall Planting: Sep 8

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

Begeleidende Beplanting

✅ Aardappels✅ Munt ✅ Dille✅ Uien✅ Selderij

❌ Bonen❌ Tomaten❌ Aardbeien

Kool in Andere 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 Je Tuin voor Kool

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

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