Cosmos — 种植指南
菊科科
收获天数55 天
光照全日照
耐霜性无
间距12/m²
发芽5-10 天
耐寒性敏感
发芽温度75°F
室内播种4 周(最后霜冻前)
按区域种植日期
Frequently Asked Questions
How long does it take to grow Cosmos?
Cosmos takes approximately 55 days from planting to harvest.
How much sun does Cosmos need?
Cosmos requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Cosmos?
Plant Cosmos at 12/sqft using square foot gardening spacing.
Can Cosmos survive frost?
Cosmos is frost-sensitive and should not be exposed to frost.
How long does Cosmos take to germinate?
Cosmos seeds germinate in 5-10 days at an optimal temperature of 75°F.
When should I start Cosmos seeds indoors?
Start Cosmos seeds indoors 4 weeks before your last frost date, then transplant 1 weeks after last frost.