When should I plant Soybean in Zone 5b?

Direct sow Soybean outdoors around May 5. Harvest around Aug 23.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Yes. Soybean needs 110 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

Zone 5b has cold winters and a moderate growing season. Timing is key for Soybean in this zone. Last frost: Apr 28. First frost: Oct 8.

Outdoor

Harvest

May 5Oct 8

Season: Apr 28 – Oct 8 (163 days)

Zone5b

Last FrostApr 28

First FrostOct 8

Season Length163 days

Days to Harvest110

SunFull Sun

Frost ToleranceNone

Spacing4/sqft (6" apart)

Direct sow Soybean seeds outdoors around May 5. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).

First harvest approximately Aug 23 (~110 days from planting). Continue harvesting until first frost (Oct 8).

❌ Onion❌ Garlic

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Track Soybean from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.