When should I plant Soybean in Zone 4a?

Direct sow Soybean outdoors around May 12. Expect first harvest around Aug 30.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Soybean in Zone 4a?

Yes. Soybean needs 110 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

Growing Soybean in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Soybean in this zone. Embun beku terakhir: May 5. Embun beku pertama: Oct 1.

Planting Calendar

Outdoor

Harvest

May 12Oct 1

Season: May 5 – Oct 1 (149 hari)

Zona4a

Embun beku terakhirMay 5

Embun beku pertamaOct 1

Musim149 hari

Panen110 hari

MatahariMatahari Penuh

When to Plant Soybean in Zone 4a

Sow Seeds Outdoors: May 12

Direct sow Soybean seeds outdoors around May 12. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm jarak).

Harvest: Aug 30

First harvest approximately Aug 30 (~110 hari from planting). Continue harvesting until first frost (Oct 1).

Tanaman Pendamping

✅ Jagung ✅ Labu ✅ Sesame

❌ Bawang Merah❌ Bawang Putih

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 13b

Plan Your Garden Soybean

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

Start Free Soybean Growing Guide