When should I plant Hành tây in Zone 9a?

Start Hành tây seeds indoors around 9 Th1. Transplant outdoors after 20 Th2. Expect first harvest around 11 Th5.

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 Hành tây in Zone 9a?

Yes. Hành tây needs 110 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🧅 Growing Hành tây in Zone 9a

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

Planting Calendar

Indoor

Outdoor

Harvest

9 Th112 Th11

Season: 20 Th3 – 12 Th11 (237 ngày)

Vùng9a

Sương giá cuối20 Th3

Sương giá đầu12 Th11

Mùa vụ237 ngày

Thu hoạch110 ngày

Ánh sángNắng hoàn toàn

When to Plant Hành tây in Zone 9a

Start Seeds Indoors: 9 Th1

Start Hành tây seeds indoors around 9 Th1 (10 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: 20 Th2

Transplant Hành tây seedlings outdoors after 20 Th2. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 11 Th5

First harvest approximately 11 Th5 (~80 ngày from transplant). Continue harvesting until first frost (12 Th11).

Cây trồng đồng hành

✅ Dâu tây✅ Bắp cải✅ Củ dền✅ Rau diếp✅ Cà rốt✅ Cà chua

❌ Đậu❌ Đậu Hà Lan

Hành tây 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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