When should I plant Hướng dương in Zone 6b?

Start Hướng dương seeds indoors around 25 Th3. Transplant outdoors after 22 Th4. Expect first harvest around 26 Th6.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is 15 Th4. The first fall frost averages 22 Th10, giving a 190-day growing season.

Can I grow Hướng dương in Zone 6b?

Yes. Hướng dương needs 90 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 7 successions.

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🌻 Growing Hướng dương in Zone 6b

Zone 6b has mild winters and a long growing season -- good conditions for Hướng dương. Sương giá cuối: 15 Th4. Sương giá đầu: 22 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

25 Th322 Th10

Season: 15 Th4 – 22 Th10 (190 ngày) · Succession: plant every 2 weeks (up to 7x)

Vùng6b

Sương giá cuối15 Th4

Sương giá đầu22 Th10

Mùa vụ190 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 6b

Start Seeds Indoors: 25 Th3

Start Hướng dương seeds indoors around 25 Th3 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 22 Th4

Transplant Hướng dương seedlings outdoors after 22 Th4. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 26 Th6

First harvest approximately 26 Th6 (~65 ngày from transplant). Continue harvesting until first frost (22 Th10).

Cây trồng đồng hành

✅ Dưa chuột✅ Bí ✅ Ngô✅ Đậu

❌ Khoai tây

Hướng dương 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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