Dahlia — 种植指南
菊科科
收获天数90 天
光照全日照
耐霜性无
间距18/m²
发芽7-14 天
耐寒性敏感
发芽温度75°F
室内播种6 周(最后霜冻前)
按区域种植日期
Frequently Asked Questions
How long does it take to grow Dahlia?
Dahlia takes approximately 90 days from planting to harvest.
How much sun does Dahlia need?
Dahlia requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Dahlia?
Plant Dahlia at 18/sqft using square foot gardening spacing.
Can Dahlia survive frost?
Dahlia is frost-sensitive and should not be exposed to frost.
How long does Dahlia take to germinate?
Dahlia seeds germinate in 7-14 days at an optimal temperature of 75°F.
When should I start Dahlia seeds indoors?
Start Dahlia seeds indoors 6 weeks before your last frost date, then transplant 2 weeks after last frost.