Soybean illustration

Growing Soybean in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Soybean. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Outdoor
Harvest
Mar 29Nov 10

Season: Mar 22 – Nov 10 (233 days)

Zone8b
Last FrostMar 22
First FrostNov 10
Season Length233 days
Days to Harvest110
SunFull Sun
Frost ToleranceNone
Spacing4/sqft (6" apart)

When to Plant Soybean in Zone 8b

Sow Seeds Outdoors: Mar 29

Direct sow Soybean seeds outdoors around Mar 29. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).

Harvest: Jul 17

First harvest approximately Jul 17 (~110 days from planting). Continue harvesting until first frost (Nov 10).

Companion Planting

❌ Onion❌ Garlic

Plan Your Soybean Garden

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

Start Free Soybean Growing Guide