When should I plant Soybean in Zone 3b?

Direct sow Soybean outdoors around 22 Th5. Expect first harvest around 9 Th9.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is 15 Th5. The first fall frost averages 22 Th9, giving a 130-day growing season.

Can I grow Soybean in Zone 3b?

Yes. Soybean needs 110 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

Growing Soybean in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Soybean early indoors to maximize your harvest window. Sương giá cuối: 15 Th5. Sương giá đầu: 22 Th9.

Planting Calendar

Outdoor

Harvest

22 Th522 Th9

Season: 15 Th5 – 22 Th9 (130 ngày)

Vùng3b

Sương giá cuối15 Th5

Sương giá đầu22 Th9

Mùa vụ130 ngày

Thu hoạch110 ngày

Ánh sángNắng hoàn toàn

When to Plant Soybean in Zone 3b

Sow Seeds Outdoors: 22 Th5

Direct sow Soybean seeds outdoors around 22 Th5. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm khoảng cách).

Harvest: 9 Th9

First harvest approximately 9 Th9 (~110 ngày from planting). Continue harvesting until first frost (22 Th9).

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

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

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