When should I plant Hướng dương in Zone 6a?

Start Hướng dương seeds indoors around 7 Th4. Transplant outdoors after 5 Th5. Expect first harvest around 9 Th7.

What is the last frost date for Zone 6a?

The average last spring frost date for Zone 6a is 28 Th4. The first fall frost averages 8 Th10, giving a 163-day growing season.

Can I grow Hướng dương in Zone 6a?

Yes. Hướng dương needs 90 days to harvest. Zone 6a has a 163-day growing season, which is sufficient. You can plant up to 5 successions.

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🌻 Growing Hướng dương in Zone 6a

Zone 6a has mild winters and a long growing season -- good conditions for Hướng dương. Sương giá cuối: 28 Th4. Sương giá đầu: 8 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

7 Th48 Th10

Season: 28 Th4 – 8 Th10 (163 ngày) · Succession: plant every 2 weeks (up to 5x)

Vùng6a

Sương giá cuối28 Th4

Sương giá đầu8 Th10

Mùa vụ163 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 6a

Start Seeds Indoors: 7 Th4

Start Hướng dương seeds indoors around 7 Th4 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 5 Th5

Transplant Hướng dương seedlings outdoors after 5 Th5. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 9 Th7

First harvest approximately 9 Th7 (~65 ngày from transplant). Continue harvesting until first frost (8 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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