When should I plant 洋葱 in Zone 13b?

Start 洋葱 seeds indoors around 10月23日. Transplant outdoors after 12月4日. Expect first harvest around 2月22日.

What is the last frost date for Zone 13b?

The average last spring frost date for Zone 13b is 1月1日. The first fall frost averages 12月31日, giving a 364-day growing season.

Can I grow 洋葱 in Zone 13b?

Yes. 洋葱 needs 110 days to harvest. Zone 13b has a 364-day growing season, which is sufficient.

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🧅 种植洋葱区域 13b

Zone 13b has a year-round growing season. 洋葱 can be planted almost any time with proper planning. 末次霜冻: 1月1日. 初次霜冻: 12月31日.

Planting Calendar

Indoor

Outdoor

Harvest

10月23日12月31日

Season: 1月1日 – 12月31日 (364 天)

区域13b

末次霜冻1月1日

初次霜冻12月31日

生长季364 天

收获110 天

日照全日照

When to Plant 洋葱 in Zone 13b

Start Seeds Indoors: 10月23日

Start 洋葱 seeds indoors around 10月23日 (10 周(最后霜冻前)). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: 12月4日

Transplant 洋葱 seedlings outdoors after 12月4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: 2月22日

First harvest approximately 2月22日 (~80 天 from transplant). Continue harvesting until first frost (12月31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 13b