When should I plant Kubis in Zone 3b?

Start Kubis seeds indoors around Apr 3. Transplant outdoors after Apr 24. Expect first harvest around Jun 28.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Kubis in Zone 3b?

Yes. Kubis needs 80 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🥬 Growing Kubis in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Kubis early indoors to maximize your harvest window. Embun beku terakhir: May 15. Embun beku pertama: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Sep 22

Season: May 15 – Sep 22 (130 hari)

Zona3b

Embun beku terakhirMay 15

Embun beku pertamaSep 22

Musim130 hari

Panen80 hari

MatahariMatahari Penuh

When to Plant Kubis in Zone 3b

Start Seeds Indoors: Apr 3

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

Transplant Outdoors: Apr 24

Transplant Kubis seedlings outdoors after Apr 24. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 28

First harvest approximately Jun 28 (~65 hari from transplant). Continue harvesting until first frost (Sep 22).

Fall Planting: Jun 30

For a fall harvest, plant Kubis around Jun 30 (12 weeks before first frost).

Tanaman Pendamping

✅ Kentang✅ Mint ✅ Dill✅ Bawang Merah✅ Seledri

❌ Kacang❌ Tomat❌ Stroberi

Kubis 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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