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タマネギ — 栽培ガイド
科 Amaryllidaceae
収穫までの日数110 日
日光日当たり良好
耐寒性中程度
間隔9/m² (10cm 間隔)
発芽7-14 日
耐寒区分強い
発芽温度70°F
室内播種10 週前（最後の霜）
コンパニオンプランツ
成長段階
- 苗/発芽
- 葉の成長/球根形成
- 成熟/収穫可能
ゾーン別植え付け日
Frequently Asked Questions
How long does it take to grow タマネギ?
タマネギ takes approximately 110 days from planting to harvest.
How much sun does タマネギ need?
タマネギ requires full sun (6+ hours direct sunlight per day).
How far apart should I plant タマネギ?
Plant タマネギ at 9/sqft (4" apart) using square foot gardening spacing.
Can タマネギ survive frost?
タマネギ is tolerant of moderate frost.
What are good companion plants for タマネギ?
Good companion plants for タマネギ include Strawberries, Cabbage, Beets, Lettuce, Carrots, Tomatoes. Avoid planting near Beans, Peas.
How long does タマネギ take to germinate?
タマネギ seeds germinate in 7-14 days at an optimal temperature of 70°F.
When should I start タマネギ seeds indoors?
Start タマネギ seeds indoors 10 weeks before your last frost date, then transplant -4 weeks after last frost.