When should I plant Kembang Kol in Zone 12b?

Start Kembang Kol 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 Kembang Kol in Zone 12b?

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

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🥦 Growing Kembang Kol in Zone 12b

Zone 12b has a year-round growing season. Kembang Kol can be planted almost any time with proper planning. Embun beku terakhir: Jan 1. Embun beku pertama: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 hari)

Zona12b

Embun beku terakhirJan 1

Embun beku pertamaDec 31

Musim364 hari

Panen75 hari

MatahariMatahari Penuh

When to Plant Kembang Kol in Zone 12b

Start Seeds Indoors: Nov 20

Start Kembang Kol seeds indoors around Nov 20 (6 minggu sebelum embun beku terakhir). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Dec 18

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

Harvest: Feb 16

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

Fall Planting: Oct 8

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

Tanaman Pendamping

✅ Bayam ✅ Seledri ✅ Thyme✅ Kacang

❌ Tomat❌ Stroberi❌ Kacang Polong

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

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