When should I plant Bắp cải in Zone 3b?

Start Bắp cải seeds indoors around 3 Th4. Transplant outdoors after 24 Th4. Expect first harvest around 28 Th6.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is 15 Th5. The first fall frost averages 22 Th9, giving a 130-day growing season.

Can I grow Bắp cải in Zone 3b?

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

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🥬 Growing Bắp cải in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Bắp cải early indoors to maximize your harvest window. Sương giá cuối: 15 Th5. Sương giá đầu: 22 Th9.

Planting Calendar

Indoor

Outdoor

Harvest

3 Th422 Th9

Season: 15 Th5 – 22 Th9 (130 ngày)

Vùng3b

Sương giá cuối15 Th5

Sương giá đầu22 Th9

Mùa vụ130 ngày

Thu hoạch80 ngày

Ánh sángNắng hoàn toàn

When to Plant Bắp cải in Zone 3b

Start Seeds Indoors: 3 Th4

Start Bắp cải seeds indoors around 3 Th4 (6 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: 24 Th4

Transplant Bắp cải seedlings outdoors after 24 Th4. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 28 Th6

First harvest approximately 28 Th6 (~65 ngày from transplant). Continue harvesting until first frost (22 Th9).

Fall Planting: 30 Th6

For a fall harvest, plant Bắp cải around 30 Th6 (12 weeks before first frost).

Cây trồng đồng hành

✅ Khoai tây✅ Bạc hà ✅ Thì là✅ Hành tây✅ Cần tây

❌ Đậu❌ Cà chua❌ Dâu tây

Bắp cải 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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