When should I plant 菠菜 in Zone 4a?

Direct sow 菠菜 outdoors around 3月24日. Expect first harvest around 5月3日.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is 5月5日. The first fall frost averages 10月1日, giving a 149-day growing season.

Can I grow 菠菜 in Zone 4a?

Yes. 菠菜 needs 40 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 7 successions.

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🍃 种植菠菜区域 4a

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

Planting Calendar

Outdoor

Harvest

3月24日10月1日

Season: 5月5日 – 10月1日 (149 天) · Succession: plant every 2 weeks (up to 7x)

区域4a

末次霜冻5月5日

初次霜冻10月1日

生长季149 天

收获40 天

日照半日照

When to Plant 菠菜 in Zone 4a

Sow Seeds Outdoors: 3月24日

Direct sow 菠菜 seeds outdoors around 3月24日. Wait until soil temperature reaches 35F. Space plants at 9/m² (10cm 间距).

Harvest: 5月3日

First harvest approximately 5月3日 (~40 天 from planting). Continue harvesting until first frost (10月1日). 菠菜 can overwinter in mild climates for continued harvest.

Fall Planting: 8月20日

For a fall harvest, plant 菠菜 around 8月20日 (6 weeks before first frost).

伴生植物

✅ 花椰菜 ✅ 卷心菜✅ 豆类✅ 草莓

菠菜其他区域

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

规划花园菠菜

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

Start Free 菠菜 Growing Guide

🍃 种植 菠菜 区域 4a