Ideal Temperature for Marsh thistle
Images of Marsh thistle
Signs of Cold Stress in Marsh thistle
Symptoms
Marsh thistle 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 did not sprout.
Signs of Heat Stress in Marsh thistle
Symptoms
In summer, Marsh thistle should be maintained below 70℉. When temperatures surpass 80℉, 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 midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
