When should I plant Kubis in Zone 9b?

Start Kubis seeds indoors around Jan 27. Transplant outdoors after Feb 17. Expect first harvest around Apr 23.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Kubis in Zone 9b?

Yes. Kubis needs 80 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🥬 Growing Kubis in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Kubis. Embun beku terakhir: Mar 10. Embun beku pertama: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 hari)

Zona9b

Embun beku terakhirMar 10

Embun beku pertamaNov 15

Musim250 hari

Panen80 hari

MatahariMatahari Penuh

When to Plant Kubis in Zone 9b

Start Seeds Indoors: Jan 27

Start Kubis seeds indoors around Jan 27 (6 minggu sebelum embun beku terakhir). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Feb 17

Transplant Kubis seedlings outdoors after Feb 17. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Apr 23

First harvest approximately Apr 23 (~65 hari from transplant). Continue harvesting until first frost (Nov 15).

Fall Planting: Aug 23

For a fall harvest, plant Kubis around Aug 23 (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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