Ideal Temperature for Purple loosestrife
Images of Purple loosestrife
Signs of Cold Stress in Purple loosestrife
Symptoms
Purple loosestrife tolerates cold well and flourishes optimally when temperatures exceed 55℉. In winter, it needs to stay above 50℉. If the temperature drops below 32℉, while no immediate winter changes might be apparent, spring may see reduced or absent sprouting.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Purple loosestrife
Symptoms
In summer, Purple loosestrife should be maintained below 75℉. 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 midday and afternoon shade, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
