When should I plant Hướng dương in Zone 7b?

Start Hướng dương seeds indoors around 20 Th3. Transplant outdoors after 17 Th4. Expect first harvest around 21 Th6.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is 10 Th4. The first fall frost averages 7 Th11, giving a 211-day growing season.

Can I grow Hướng dương in Zone 7b?

Yes. Hướng dương needs 90 days to harvest. Zone 7b has a 211-day growing season, which is sufficient. You can plant up to 8 successions.

🌻

🌻 Growing Hướng dương in Zone 7b

Zone 7b has mild winters and a long growing season -- good conditions for Hướng dương. Sương giá cuối: 10 Th4. Sương giá đầu: 7 Th11.

Planting Calendar

Indoor

Outdoor

Harvest

20 Th37 Th11

Season: 10 Th4 – 7 Th11 (211 ngày) · Succession: plant every 2 weeks (up to 8x)

Vùng7b

Sương giá cuối10 Th4

Sương giá đầu7 Th11

Mùa vụ211 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 7b

Start Seeds Indoors: 20 Th3

Start Hướng dương seeds indoors around 20 Th3 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 17 Th4

Transplant Hướng dương seedlings outdoors after 17 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: 21 Th6

First harvest approximately 21 Th6 (~65 ngày from transplant). Continue harvesting until first frost (7 Th11).

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

Plan Your Garden Hướng dương

Track Hướng dương from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Hướng dương Growing Guide