When should I plant Hành tây in Zone 3b?

Start Hành tây seeds indoors around 6 Th3. Transplant outdoors after 17 Th4. Expect first harvest around 6 Th7.

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 Hành tây in Zone 3b?

Yes. Hành tây needs 110 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🧅 Growing Hành tây in Zone 3b

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

Planting Calendar

Indoor

Outdoor

Harvest

6 Th322 Th9

Season: 15 Th5 – 22 Th9 (130 ngày)

Vùng3b

Sương giá cuối15 Th5

Sương giá đầu22 Th9

Mùa vụ130 ngày

Thu hoạch110 ngày

Ánh sángNắng hoàn toàn

When to Plant Hành tây in Zone 3b

Start Seeds Indoors: 6 Th3

Start Hành tây seeds indoors around 6 Th3 (10 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: 17 Th4

Transplant Hành tây seedlings outdoors after 17 Th4. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 6 Th7

First harvest approximately 6 Th7 (~80 ngày from transplant). Continue harvesting until first frost (22 Th9).

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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