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スイカ — 栽培ガイド
科 Cucurbitaceae
収穫までの日数90 日
日光日当たり良好
耐寒性なし
間隔1/m² (30cm 間隔)
発芽4-12 日
耐寒区分非常に弱い
発芽温度85°F
室内播種4 週前（最後の霜）
コンパニオンプランツ
成長段階
- 苗
- つる伸び
- 開花
- 結実/収穫可能
ゾーン別植え付け日
Frequently Asked Questions
How long does it take to grow スイカ?
スイカ takes approximately 90 days from planting to harvest.
How much sun does スイカ need?
スイカ requires full sun (6+ hours direct sunlight per day).
How far apart should I plant スイカ?
Plant スイカ at 1/sqft (12" apart) using square foot gardening spacing.
Can スイカ survive frost?
スイカ is frost-sensitive and should not be exposed to frost.
What are good companion plants for スイカ?
Good companion plants for スイカ include Corn, Nasturtiums, Marigolds, Radishes. Avoid planting near Potatoes, Cucumbers.
How long does スイカ take to germinate?
スイカ seeds germinate in 4-12 days at an optimal temperature of 85°F.
When should I start スイカ seeds indoors?
Start スイカ seeds indoors 4 weeks before your last frost date, then transplant 2 weeks after last frost.