When should I plant Hẹ tây in Zone 4b?

Start Hẹ tây seeds indoors around 6 Th3. Transplant outdoors after 17 Th4. Expect first harvest around 16 Th6.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is 1 Th5. The first fall frost averages 5 Th10, giving a 157-day growing season.

Can I grow Hẹ tây in Zone 4b?

Yes. Hẹ tây needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🌱 Growing Hẹ tây in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Hẹ tây in this zone. Sương giá cuối: 1 Th5. Sương giá đầu: 5 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

6 Th35 Th10

Season: 1 Th5 – 5 Th10 (157 ngày)

Vùng4b

Sương giá cuối1 Th5

Sương giá đầu5 Th10

Mùa vụ157 ngày

Thu hoạch60 ngày

Ánh sángNắng hoàn toàn

When to Plant Hẹ tây in Zone 4b

Start Seeds Indoors: 6 Th3

Start Hẹ tây seeds indoors around 6 Th3 (8 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: 17 Th4

Transplant Hẹ tây seedlings outdoors after 17 Th4. Wait until soil temperature reaches 45F. Space plants at 16/m² (8cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 16 Th6

First harvest approximately 16 Th6 (~60 ngày from transplant). Continue harvesting until first frost (5 Th10). Hẹ tây can overwinter in mild climates for continued harvest.

Cây trồng đồng hành

✅ Cà rốt✅ Cà chua✅ Grapes✅ Hoa hồng

❌ Đậu❌ Đậu Hà Lan

Hẹ 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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