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🥬 种植 生菜 区域 3a
Zone 3a has harsh winters and a short growing season. Start 生菜 early indoors to maximize your harvest window. 末次霜冻: 5月22日. 初次霜冻: 9月12日.
Planting Calendar
Season: 5月22日 – 9月12日 (113 天) · Succession: plant every 2 weeks (up to 4x)
When to Plant 生菜 in Zone 3a
Start Seeds Indoors: 4月10日
Start 生菜 seeds indoors around 4月10日 (6 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 4-10 days.
Transplant Outdoors: 5月1日
Transplant 生菜 seedlings outdoors after 5月1日. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm 间距). Harden off plants for a week before moving outside.
Harvest: 6月5日
First harvest approximately 6月5日 (~35 天 from transplant). Continue harvesting until first frost (9月12日).
Fall Planting: 7月18日
For a fall harvest, plant 生菜 around 7月18日 (8 weeks before first frost).
伴生植物
规划花园 生菜
Track 生菜 from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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