When should I plant Hướng dương in Zone 11a?

Start Hướng dương seeds indoors around 7 Th1. Transplant outdoors after 4 Th2. Expect first harvest around 10 Th4.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is 28 Th1. The first fall frost averages 22 Th12, giving a 328-day growing season.

Can I grow Hướng dương in Zone 11a?

Yes. Hướng dương needs 90 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 17 successions.

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🌻 Growing Hướng dương in Zone 11a

Zone 11a has a year-round growing season. Hướng dương can be planted almost any time with proper planning. Sương giá cuối: 28 Th1. Sương giá đầu: 22 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

7 Th122 Th12

Season: 28 Th1 – 22 Th12 (328 ngày) · Succession: plant every 2 weeks (up to 17x)

Vùng11a

Sương giá cuối28 Th1

Sương giá đầu22 Th12

Mùa vụ328 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 11a

Start Seeds Indoors: 7 Th1

Start Hướng dương seeds indoors around 7 Th1 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 4 Th2

Transplant Hướng dương seedlings outdoors after 4 Th2. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 10 Th4

First harvest approximately 10 Th4 (~65 ngày from transplant). Continue harvesting until first frost (22 Th12).

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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