When should I plant Hướng dương in Zone 10a?

Start Hướng dương seeds indoors around 30 Th1. Transplant outdoors after 27 Th2. Expect first harvest around 3 Th5.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is 20 Th2. The first fall frost averages 1 Th12, giving a 284-day growing season.

Can I grow Hướng dương in Zone 10a?

Yes. Hướng dương needs 90 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 13 successions.

🌻

🌻 Growing Hướng dương in Zone 10a

Zone 10a has a year-round growing season. Hướng dương can be planted almost any time with proper planning. Sương giá cuối: 20 Th2. Sương giá đầu: 1 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

30 Th11 Th12

Season: 20 Th2 – 1 Th12 (284 ngày) · Succession: plant every 2 weeks (up to 13x)

Vùng10a

Sương giá cuối20 Th2

Sương giá đầu1 Th12

Mùa vụ284 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Hướng dương in Zone 10a

Start Seeds Indoors: 30 Th1

Start Hướng dương seeds indoors around 30 Th1 (3 tuần trước sương giá cuối). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 27 Th2

Transplant Hướng dương seedlings outdoors after 27 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: 3 Th5

First harvest approximately 3 Th5 (~65 ngày from transplant). Continue harvesting until first frost (1 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

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