Growing Soybean in Zone 10a
Zone 10a has a year-round growing season. Soybean can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.
Planting Calendar
Season: Feb 20 – Dec 1 (284 days)
When to Plant Soybean in Zone 10a
Sow Seeds Outdoors: Feb 27
Direct sow Soybean seeds outdoors around Feb 27. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Jun 17
First harvest approximately Jun 17 (~110 days from planting). Continue harvesting until first frost (Dec 1).
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 10a?
Direct sow Soybean outdoors around Feb 27. Harvest around Jun 17.
What is the last frost date for Zone 10a?
The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.
Can I grow Soybean in Zone 10a?
Yes. Soybean needs 110 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.
What is the best month to plant Soybean in Zone 10a?
The best time to plant Soybean in Zone 10a is around Feb 27, 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 10a, expect your first harvest around Jun 17.
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