When should I plant Kembang Kol in Zone 2a?

Start Kembang Kol seeds indoors around Apr 3. Transplant outdoors after May 1. Expect first harvest around Jun 30.

What is the last frost date for Zone 2a?

The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.

Can I grow Kembang Kol in Zone 2a?

Yes. Kembang Kol needs 75 days to harvest. Zone 2a has a 123-day growing season, which is sufficient.

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🥦 Growing Kembang Kol in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Kembang Kol early indoors to maximize your harvest window. Embun beku terakhir: May 15. Embun beku pertama: Sep 15.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Sep 15

Season: May 15 – Sep 15 (123 hari)

Zona2a

Embun beku terakhirMay 15

Embun beku pertamaSep 15

Musim123 hari

Panen75 hari

MatahariMatahari Penuh

When to Plant Kembang Kol in Zone 2a

Start Seeds Indoors: Apr 3

Start Kembang Kol seeds indoors around Apr 3 (6 minggu sebelum embun beku terakhir). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: May 1

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

Harvest: Jun 30

First harvest approximately Jun 30 (~60 hari from transplant). Continue harvesting until first frost (Sep 15).

Fall Planting: Jun 23

For a fall harvest, plant Kembang Kol around Jun 23 (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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