Ideal Temperature for Utah penstemon
Images of Utah penstemon
Signs of Cold Stress in Utah penstemon
Symptoms
Utah penstemon tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, maintain temperatures above 50℉. If the temperature drops below 32℉, while winter changes might be subtle, reduced or absent sprouting could occur in spring.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Utah penstemon
Symptoms
During summer, Utah penstemon 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 may 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.
