When should I plant Cải xoăn in Zone 3b?

Start Cải xoăn seeds indoors around 3 Th4. Transplant outdoors after 17 Th4. Expect first harvest around 1 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 Cải xoăn in Zone 3b?

Yes. Cải xoăn needs 60 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🥬 Growing Cải xoăn in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Cải xoăn 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 hoạch60 ngày

Ánh sángNắng một phần

When to Plant Cải xoăn in Zone 3b

Start Seeds Indoors: 3 Th4

Start Cải xoăn seeds indoors around 3 Th4 (6 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: 17 Th4

Transplant Cải xoăn seedlings outdoors after 17 Th4. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 1 Th6

First harvest approximately 1 Th6 (~45 ngày from transplant). Continue harvesting until first frost (22 Th9). Cải xoăn can overwinter in mild climates for continued harvest.

Fall Planting: 28 Th7

For a fall harvest, plant Cải xoăn around 28 Th7 (8 weeks before first frost).

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Cải xoăn 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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