Ideal Temperature for Hemlock waterparsnip
Images of Hemlock waterparsnip
Signs of Cold Stress in Hemlock waterparsnip
Symptoms
Hemlock waterparsnip tolerates cold well and flourishes when temperatures exceed 65℉. In winter, it needs to stay above 55℉. 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 Hemlock waterparsnip
Symptoms
During summer, Hemlock waterparsnip 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 entire 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.
