When should I plant Soybean in Zone 1a?

Direct sow Soybean outdoors around 6月1日. Expect first harvest around 9月19日.

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is 5月25日. The first fall frost averages 8月28日, giving a 95-day growing season.

Can I grow Soybean in Zone 1a?

Zone 1a has a 95-day growing season, which may be too short for Soybean (110 days needed). Consider short-season varieties or season extension techniques.

种植 Soybean 区域 1a

Zone 1a has harsh winters and a short growing season. Start Soybean early indoors to maximize your harvest window. 末次霜冻: 5月25日. 初次霜冻: 8月28日.

Season Too Short

Soybean needs 110 days to harvest, but Zone 1a has only a 95-day growing season. Consider short-season varieties or season extension techniques.

区域1a

末次霜冻5月25日

初次霜冻8月28日

生长季95 天

收获110 天

日照全日照

When to Plant Soybean in Zone 1a

Sow Seeds Outdoors: 6月1日

Direct sow Soybean seeds outdoors around 6月1日. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm 间距).

Harvest: 9月19日

First harvest approximately 9月19日 (~110 天 from planting). Continue harvesting until first frost (8月28日).

伴生植物

✅ 玉米 ✅ 南瓜 ✅ Sesame

❌ 洋葱❌ 大蒜

Soybean 其他区域

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

规划花园 Soybean

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

Start Free Soybean Growing Guide