When should I plant Hướng dương in Zone 8a?

Start Hướng dương seeds indoors around 15 Th3. Transplant outdoors after 12 Th4. Expect first harvest around 16 Th6.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is 5 Th4. The first fall frost averages 28 Th10, giving a 206-day growing season.

Can I grow Hướng dương in Zone 8a?

Yes. Hướng dương needs 90 days to harvest. Zone 8a has a 206-day growing season, which is sufficient. You can plant up to 8 successions.

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🌻 Growing Hướng dương in Zone 8a

Zone 8a has warm winters and an extended growing season -- excellent for heat-loving crops like Hướng dương. Sương giá cuối: 5 Th4. Sương giá đầu: 28 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

15 Th328 Th10

Season: 5 Th4 – 28 Th10 (206 ngày) · Succession: plant every 2 weeks (up to 8x)

Vùng8a

Sương giá cuối5 Th4

Sương giá đầu28 Th10

Mùa vụ206 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 8a

Start Seeds Indoors: 15 Th3

Start Hướng dương seeds indoors around 15 Th3 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 12 Th4

Transplant Hướng dương seedlings outdoors after 12 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: 16 Th6

First harvest approximately 16 Th6 (~65 ngày from transplant). Continue harvesting until first frost (28 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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