When should I plant Bloemkool in Zone 11a?

Start Bloemkool seeds indoors around Dec 17. Transplant outdoors after Jan 14. Expect first harvest around Mar 15.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Bloemkool in Zone 11a?

Yes. Bloemkool needs 75 days to harvest. Zone 11a has a 328-day growing season, which is sufficient.

🥦

🥦 Kweken van Bloemkool in Zone 11a

Zone 11a has a year-round growing season. Bloemkool can be planted almost any time with proper planning. Laatste vorst: Jan 28. Eerste vorst: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 17Dec 22

Season: Jan 28 – Dec 22 (328 dagen)

Zone11a

Laatste vorstJan 28

Eerste vorstDec 22

Seizoen328 dagen

Oogst75 dagen

ZonVolle Zon

When to Plant Bloemkool in Zone 11a

Start Seeds Indoors: Dec 17

Start Bloemkool seeds indoors around Dec 17 (6 weken voor de laatste vorst). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Jan 14

Transplant Bloemkool seedlings outdoors after Jan 14. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm afstand). Harden off plants for a week before moving outside.

Harvest: Mar 15

First harvest approximately Mar 15 (~60 dagen from transplant). Continue harvesting until first frost (Dec 22).

Fall Planting: Sep 29

For a fall harvest, plant Bloemkool around Sep 29 (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.

Start Free Bloemkool Growing Guide