Growing Soybean in Zone 12a
Zone 12a 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
Season: Jan 1 – Dec 31 (364 days)
When to Plant Soybean in Zone 12a
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
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 13bFrequently Asked Questions
When should I plant Soybean in Zone 12a?
Direct sow Soybean outdoors around Jan 8. Harvest around Apr 28.
What is the last frost date for Zone 12a?
The average last spring frost date for Zone 12a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.
Can I grow Soybean in Zone 12a?
Yes. Soybean needs 110 days to harvest. Zone 12a has a 364-day growing season, which is sufficient.
What is the best month to plant Soybean in Zone 12a?
The best time to plant Soybean in Zone 12a is around Jan 8, when soil temperatures are suitable and frost risk has passed.
What companion plants grow well with Soybean?
Good companion plants for Soybean include Corn, Squash, Sesame. Avoid planting Soybean near Onion, Garlic.
How long does Soybean take to harvest?
Soybean takes approximately 110 days from planting to harvest. In Zone 12a, expect your first harvest around Apr 28.
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