Ideal Temperature for Bunchleaf Penstemon
Images of Bunchleaf Penstemon
Indications of Low Temperatures for Bunchleaf Penstemon
Symptoms
Bunchleaf Penstemon tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to stay above 50℉. If temperatures drop below 40℉, while no immediate winter changes might be apparent, reduced or absent sprouting could occur in spring.
Solutions
In spring, remove any sections that have not sprouted.
Indications of High Temperatures for Bunchleaf Penstemon
Symptoms
During summer, Bunchleaf Penstemon should be maintained below 75℉. When temperatures surpass 85℉, the plant's foliage might lighten, curl, become prone to sunburn, and in severe instances, the entire plant may wilt and desiccate.
Solutions
Remove any sun-damaged and dried-out portions. Relocate the plant to a spot offering protection from midday and afternoon sun, or employ a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.
