When should I plant Cải xoăn in Zone 9a?

Start Cải xoăn seeds indoors around 6 Th2. Transplant outdoors after 20 Th2. Expect first harvest around 6 Th4.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is 20 Th3. The first fall frost averages 12 Th11, giving a 237-day growing season.

Can I grow Cải xoăn in Zone 9a?

Yes. Cải xoăn needs 60 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🥬 Growing Cải xoăn in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Cải xoăn. Sương giá cuối: 20 Th3. Sương giá đầu: 12 Th11.

Planting Calendar

Indoor

Outdoor

Harvest

6 Th212 Th11

Season: 20 Th3 – 12 Th11 (237 ngày)

Vùng9a

Sương giá cuối20 Th3

Sương giá đầu12 Th11

Mùa vụ237 ngày

Thu hoạch60 ngày

Ánh sángNắng một phần

When to Plant Cải xoăn in Zone 9a

Start Seeds Indoors: 6 Th2

Start Cải xoăn seeds indoors around 6 Th2 (6 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: 20 Th2

Transplant Cải xoăn seedlings outdoors after 20 Th2. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 6 Th4

First harvest approximately 6 Th4 (~45 ngày from transplant). Continue harvesting until first frost (12 Th11). Cải xoăn can overwinter in mild climates for continued harvest.

Fall Planting: 17 Th9

For a fall harvest, plant Cải xoăn around 17 Th9 (8 weeks before first frost).

Cây trồng đồng hành

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❌ Dâu tây

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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Track Cải xoăn from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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