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洋葱 — 种植指南
Amaryllidaceae科
收获天数110 天
光照全日照
耐霜性中等
间距9/m² (10cm 间距)
发芽7-14 天
耐寒性耐寒
发芽温度70°F
室内播种10 周(最后霜冻前)
伴生植物
生长阶段
- 幼苗/发芽
- 叶片生长/鳞茎膨大
- 成熟/可收获
按区域种植日期
Frequently Asked Questions
How long does it take to grow 洋葱?
洋葱 takes approximately 110 days from planting to harvest.
How much sun does 洋葱 need?
洋葱 requires full sun (6+ hours direct sunlight per day).
How far apart should I plant 洋葱?
Plant 洋葱 at 9/sqft (4" apart) using square foot gardening spacing.
Can 洋葱 survive frost?
洋葱 is tolerant of moderate frost.
What are good companion plants for 洋葱?
Good companion plants for 洋葱 include Strawberries, Cabbage, Beets, Lettuce, Carrots, Tomatoes. Avoid planting near Beans, Peas.
How long does 洋葱 take to germinate?
洋葱 seeds germinate in 7-14 days at an optimal temperature of 70°F.
When should I start 洋葱 seeds indoors?
Start 洋葱 seeds indoors 10 weeks before your last frost date, then transplant -4 weeks after last frost.