Petunia — 栽培ガイド
科 Solanaceae
収穫までの日数60 日
日光日当たり良好
耐寒性なし
間隔10/m²
発芽7-14 日
耐寒区分弱い
発芽温度75°F
室内播種10 週前（最後の霜）
ゾーン別植え付け日
Frequently Asked Questions
How long does it take to grow Petunia?
Petunia takes approximately 60 days from planting to harvest.
How much sun does Petunia need?
Petunia requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Petunia?
Plant Petunia at 10/sqft using square foot gardening spacing.
Can Petunia survive frost?
Petunia is frost-sensitive and should not be exposed to frost.
How long does Petunia take to germinate?
Petunia seeds germinate in 7-14 days at an optimal temperature of 75°F.
When should I start Petunia seeds indoors?
Start Petunia seeds indoors 10 weeks before your last frost date, then transplant 1 weeks after last frost.