Ideal Temperature for Common comfrey
Images of Common comfrey
Signs of Cold Stress in Common comfrey
Symptoms
Common comfrey tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to stay above 50℉. If temperatures drop below 40℉, while winter changes might not be obvious, spring may see reduced or absent sprouting.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Common comfrey
Symptoms
In summer, Common comfrey should be maintained below 70℉. When temperatures surpass 85℉, the plant's foliage 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 for cover. Water the plant in the morning and evening to maintain soil moisture.
