When should I plant Kubis in Zone 4b?

Start Kubis seeds indoors around Mar 20. Transplant outdoors after Apr 10. Expect first harvest around Jun 14.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Kubis in Zone 4b?

Yes. Kubis needs 80 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🥬 Growing Kubis in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Kubis in this zone. Embun beku terakhir: May 1. Embun beku pertama: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 hari)

Zona4b

Embun beku terakhirMay 1

Embun beku pertamaOct 5

Musim157 hari

Panen80 hari

MatahariMatahari Penuh

When to Plant Kubis in Zone 4b

Start Seeds Indoors: Mar 20

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

Transplant Outdoors: Apr 10

Transplant Kubis seedlings outdoors after Apr 10. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 14

First harvest approximately Jun 14 (~65 hari from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Jul 13

For a fall harvest, plant Kubis around Jul 13 (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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