Black-Eyed Susan — 种植指南
菊科科
收获天数75 天
光照全日照
耐霜性中等
间距12/m²
发芽10-21 天
耐寒性耐寒
发芽温度70°F
室内播种8 周(最后霜冻前)
按区域种植日期
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.