Growing Soybean in Zone 8a
Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Soybean. Last frost: Apr 5. First frost: Oct 28.
Planting Calendar
Season: Apr 5 – Oct 28 (206 days)
When to Plant Soybean in Zone 8a
Sow Seeds Outdoors: Apr 12
Direct sow Soybean seeds outdoors around Apr 12. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Jul 31
First harvest approximately Jul 31 (~110 days from planting). Continue harvesting until first frost (Oct 28).
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 8a?
Direct sow Soybean outdoors around Apr 12. Harvest around Jul 31.
What is the last frost date for Zone 8a?
The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.
Can I grow Soybean in Zone 8a?
Yes. Soybean needs 110 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.
What is the best month to plant Soybean in Zone 8a?
The best time to plant Soybean in Zone 8a is around Apr 12, 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 8a, expect your first harvest around Jul 31.
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