Ideal Temperature for Purplehead sneezeweed
Images of Purplehead sneezeweed
Signs of Cold Stress in Purplehead sneezeweed
Symptoms
Purplehead sneezeweed tolerates cold well and grows optimally when temperatures are above 70℉. In winter, it needs to stay above 60℉. If temperatures drop below 50℉, while no immediate winter changes might be seen, spring may bring reduced or absent sprouting.
Solutions
In spring, remove any sections that have not sprouted successfully.
Signs of Heat Stress in Purplehead sneezeweed
Symptoms
In summer, Purplehead sneezeweed should be maintained below 80℉. When temperatures surpass 85℉, the plant's leaves might lighten, curl, become prone to sunburn, and in severe instances, the whole plant could wilt and dry out.
Solutions
Remove any sun-damaged and desiccated portions. Relocate the plant to a spot offering protection from the midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
