Ideal Temperature for Sulfur cosmos
Images of Sulfur cosmos
Signs of Cold Stress in Sulfur cosmos
Symptoms
Sulfur cosmos tolerates cold well and flourishes optimally when temperatures exceed 65℉. In winter, it needs to stay above 60℉. If temperatures drop below 50℉, while no immediate winter changes might be apparent, reduced or absent sprouting could occur in spring.
Solutions
In springtime, remove any sections that have not germinated.
Signs of Heat Stress in Sulfur cosmos
Symptoms
In summer, Sulfur cosmos should be maintained below 80℉. When temperatures surpass 90℉, the plant's foliage might lighten, curl, become prone to sun damage, and in severe instances, the whole plant could wilt and desiccate.
Solutions
Prune off any sun-damaged and dried-out portions. Relocate the plant to a spot offering protection from the midday and afternoon sun, or deploy a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.
