When should I plant Soybean in Zone 9b?

Direct sow Soybean outdoors around 17 Th3. Expect first harvest around 5 Th7.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is 10 Th3. The first fall frost averages 15 Th11, giving a 250-day growing season.

Can I grow Soybean in Zone 9b?

Yes. Soybean needs 110 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Soybean in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Soybean. Sương giá cuối: 10 Th3. Sương giá đầu: 15 Th11.

Planting Calendar

Outdoor

Harvest

17 Th315 Th11

Season: 10 Th3 – 15 Th11 (250 ngày)

Vùng9b

Sương giá cuối10 Th3

Sương giá đầu15 Th11

Mùa vụ250 ngày

Thu hoạch110 ngày

Ánh sángNắng hoàn toàn

When to Plant Soybean in Zone 9b

Sow Seeds Outdoors: 17 Th3

Direct sow Soybean seeds outdoors around 17 Th3. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm khoảng cách).

Harvest: 5 Th7

First harvest approximately 5 Th7 (~110 ngày from planting). Continue harvesting until first frost (15 Th11).

Cây trồng đồng hành

✅ Ngô ✅ Bí ✅ Sesame

❌ Hành tây❌ Tỏi

Soybean 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 Soybean

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

Start Free Soybean Growing Guide