Ideal Temperature for Small-flower penstemon
Images of Small-flower penstemon
Signs of Cold Stress in Small-flower penstemon
Symptoms
Small-flower penstemon exhibits high resilience to cold, but winter temperatures must remain above 40℉. Should temperatures fall below this point, while no immediate winter damage may be apparent, reduced or absent sprouting could occur in spring.
Solutions
During spring, eliminate any sections that have not successfully sprouted.
Signs of Heat Stress in Small-flower penstemon
Symptoms
Small-flower penstemon does not thrive in elevated temperatures. When the temperature surpasses 70℉, its development ceases, and it becomes more prone to decay.
Solutions
Remove any sun-damaged and desiccated portions. Relocate the plant to an area offering protection from the intense midday and afternoon sun, or deploy a shade cloth for cover. Hydrate the plant in the morning and evening to maintain soil moisture.
