Growing Soybean in Zone 12b
Zone 12b has a year-round growing season. Soybean can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.
Planting Calendar
Jan 8Dec 31
Season: Jan 1 – Dec 31 (364 days)
Zone12b
Last FrostJan 1
First FrostDec 31
Season Length364 days
Days to Harvest110
SunFull Sun
Frost ToleranceNone
Spacing4/sqft (6" apart)
When to Plant Soybean in Zone 12b
Sow Seeds Outdoors: Jan 8
Direct sow Soybean seeds outdoors around Jan 8. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Apr 28
First harvest approximately Apr 28 (~110 days from planting). Continue harvesting until first frost (Dec 31).
Companion Planting
❌ Onion❌ Garlic
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 13bPlan Your Soybean Garden
Track Soybean from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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