Black-Eyed Susan — 栽培ガイド
科 キク科
収穫までの日数75 日
日光日当たり良好
耐寒性中程度
間隔12/m²
発芽10-21 日
耐寒区分強い
発芽温度70°F
室内播種8 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 Black-Eyed Susan?
Black-Eyed Susan takes approximately 75 days from planting to harvest.
How much sun does Black-Eyed Susan need?
Black-Eyed Susan requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Black-Eyed Susan?
Plant Black-Eyed Susan at 12/sqft using square foot gardening spacing.
Can Black-Eyed Susan survive frost?
Black-Eyed Susan is tolerant of moderate frost.
How long does Black-Eyed Susan take to germinate?
Black-Eyed Susan seeds germinate in 10-21 days at an optimal temperature of 70°F.
When should I start Black-Eyed Susan seeds indoors?
Start Black-Eyed Susan seeds indoors 8 weeks before your last frost date.