When should I plant 洋葱 in Zone 6b?

Start 洋葱 seeds indoors around 2月4日. Transplant outdoors after 3月18日. Expect first harvest around 6月6日.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is 4月15日. The first fall frost averages 10月22日, giving a 190-day growing season.

Can I grow 洋葱 in Zone 6b?

Yes. 洋葱 needs 110 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

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🧅 种植洋葱区域 6b

Zone 6b has mild winters and a long growing season -- good conditions for 洋葱. 末次霜冻: 4月15日. 初次霜冻: 10月22日.

Planting Calendar

Indoor

Outdoor

Harvest

2月4日10月22日

Season: 4月15日 – 10月22日 (190 天)

区域6b

末次霜冻4月15日

初次霜冻10月22日

生长季190 天

收获110 天

日照全日照

When to Plant 洋葱 in Zone 6b

Start Seeds Indoors: 2月4日

Start 洋葱 seeds indoors around 2月4日 (10 周(最后霜冻前)). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: 3月18日

Transplant 洋葱 seedlings outdoors after 3月18日. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm 间距). Harden off plants for a week before moving outside.

Harvest: 6月6日

First harvest approximately 6月6日 (~80 天 from transplant). Continue harvesting until first frost (10月22日).

伴生植物

✅ 草莓✅ 卷心菜✅ 甜菜✅ 生菜✅ 胡萝卜✅ 番茄

❌ 豆类❌ 豌豆

洋葱其他区域

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

规划花园洋葱

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

Start Free 洋葱 Growing Guide

🧅 种植 洋葱 区域 6b