When should I plant Bloemkool in Zone 12b?

Start Bloemkool seeds indoors around Nov 20. Transplant outdoors after Dec 18. Expect first harvest around Feb 16.

What is the last frost date for Zone 12b?

The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Bloemkool in Zone 12b?

Yes. Bloemkool needs 75 days to harvest. Zone 12b has a 364-day growing season, which is sufficient.

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🥦 Kweken van Bloemkool in Zone 12b

Zone 12b has a year-round growing season. Bloemkool can be planted almost any time with proper planning. Laatste vorst: Jan 1. Eerste vorst: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 dagen)

Zone12b

Laatste vorstJan 1

Eerste vorstDec 31

Seizoen364 dagen

Oogst75 dagen

ZonVolle Zon

When to Plant Bloemkool in Zone 12b

Start Seeds Indoors: Nov 20

Start Bloemkool seeds indoors around Nov 20 (6 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Dec 18

Transplant Bloemkool seedlings outdoors after Dec 18. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Feb 16

First harvest approximately Feb 16 (~60 dagen from transplant). Continue harvesting until first frost (Dec 31).

Fall Planting: Oct 8

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

Begeleidende Beplanting

✅ Spinazie ✅ Selderij ✅ Tijm✅ Bonen

❌ Tomaten❌ Aardbeien❌ Erwten

Bloemkool 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 Bloemkool

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

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