When should I plant 羽衣甘蓝 in Zone 4b?

Start 羽衣甘蓝 seeds indoors around 3月20日. Transplant outdoors after 4月3日. Expect first harvest around 5月18日.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is 5月1日. The first fall frost averages 10月5日, giving a 157-day growing season.

Can I grow 羽衣甘蓝 in Zone 4b?

Yes. 羽衣甘蓝 needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🥬 种植羽衣甘蓝区域 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for 羽衣甘蓝 in this zone. 末次霜冻: 5月1日. 初次霜冻: 10月5日.

Planting Calendar

Indoor

Outdoor

Harvest

3月20日10月5日

Season: 5月1日 – 10月5日 (157 天)

区域4b

末次霜冻5月1日

初次霜冻10月5日

生长季157 天

收获60 天

日照半日照

When to Plant 羽衣甘蓝 in Zone 4b

Start Seeds Indoors: 3月20日

Start 羽衣甘蓝 seeds indoors around 3月20日 (6 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: 4月3日

Transplant 羽衣甘蓝 seedlings outdoors after 4月3日. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm 间距). Harden off plants for a week before moving outside.

Harvest: 5月18日

First harvest approximately 5月18日 (~45 天 from transplant). Continue harvesting until first frost (10月5日). 羽衣甘蓝 can overwinter in mild climates for continued harvest.

Fall Planting: 8月10日

For a fall harvest, plant 羽衣甘蓝 around 8月10日 (8 weeks before first frost).

伴生植物

✅ 鼠尾草 ✅ 莳萝✅ 洋葱✅ 甜菜✅ 土豆

❌ 草莓

羽衣甘蓝其他区域

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

规划花园羽衣甘蓝

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

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🥬 种植 羽衣甘蓝 区域 4b