Growing Soybean in Zone 6a
Zone 6a has mild winters and a long growing season — good conditions for Soybean. Last frost: Apr 28. First frost: Oct 8.
Planting Calendar
Season: Apr 28 – Oct 8 (163 days)
When to Plant Soybean in Zone 6a
Sow Seeds Outdoors: May 5
Direct sow Soybean seeds outdoors around May 5. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Aug 23
First harvest approximately Aug 23 (~110 days from planting). Continue harvesting until first frost (Oct 8).
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 6a?
Direct sow Soybean outdoors around May 5. Harvest around Aug 23.
What is the last frost date for Zone 6a?
The average last spring frost date for Zone 6a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.
Can I grow Soybean in Zone 6a?
Yes. Soybean needs 110 days to harvest. Zone 6a has a 163-day growing season, which is sufficient.
What is the best month to plant Soybean in Zone 6a?
The best time to plant Soybean in Zone 6a is around May 5, 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 6a, expect your first harvest around Aug 23.
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