When should I plant Kool in Zone 8b?

Start Kool seeds indoors around Feb 8. Transplant outdoors after Mar 1. Expect first harvest around May 5.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Kool in Zone 8b?

Yes. Kool needs 80 days to harvest. Zone 8b has a 233-day growing season, which is sufficient.

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🥬 Kweken van Kool in Zone 8b

Zone 8b has warm winters and an extended growing season -- excellent for heat-loving crops like Kool. Laatste vorst: Mar 22. Eerste vorst: Nov 10.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 8Nov 10

Season: Mar 22 – Nov 10 (233 dagen)

Zone8b

Laatste vorstMar 22

Eerste vorstNov 10

Seizoen233 dagen

Oogst80 dagen

ZonVolle Zon

When to Plant Kool in Zone 8b

Start Seeds Indoors: Feb 8

Start Kool seeds indoors around Feb 8 (6 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Mar 1

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

Harvest: May 5

First harvest approximately May 5 (~65 dagen from transplant). Continue harvesting until first frost (Nov 10).

Fall Planting: Aug 18

For a fall harvest, plant Kool around Aug 18 (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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