When should I plant Bông cải xanh in Zone 5b?

Start Bông cải xanh seeds indoors around 17 Th3. Transplant outdoors after 12 Th5. Expect first harvest around 11 Th7.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is 28 Th4. The first fall frost averages 8 Th10, giving a 163-day growing season.

Can I grow Bông cải xanh in Zone 5b?

Yes. Bông cải xanh needs 70 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

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🥦 Growing Bông cải xanh in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Bông cải xanh in this zone. Sương giá cuối: 28 Th4. Sương giá đầu: 8 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

17 Th38 Th10

Season: 28 Th4 – 8 Th10 (163 ngày)

Vùng5b

Sương giá cuối28 Th4

Sương giá đầu8 Th10

Mùa vụ163 ngày

Thu hoạch70 ngày

Ánh sángNắng hoàn toàn

When to Plant Bông cải xanh in Zone 5b

Start Seeds Indoors: 17 Th3

Start Bông cải xanh seeds indoors around 17 Th3 (6 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 5-10 days.

Transplant Outdoors: 12 Th5

Transplant Bông cải xanh seedlings outdoors after 12 Th5. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 11 Th7

First harvest approximately 11 Th7 (~60 ngày from transplant). Continue harvesting until first frost (8 Th10).

Fall Planting: 16 Th7

For a fall harvest, plant Bông cải xanh around 16 Th7 (12 weeks before first frost).

Cây trồng đồng hành

✅ Xô thơm ✅ Hương thảo ✅ Bạc hà ✅ Hoa cúc La Mã ✅ Thì là

❌ Dâu tây❌ Cà chua❌ Đậu

Bông cải xanh 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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