Ideal Temperature for Tall Annual Willowherb
Images of Tall Annual Willowherb
Signs of Cold Stress in Tall Annual Willowherb
Symptoms
Tall Annual Willowherb exhibits strong cold resistance, but winter temperatures should remain above 30℉. Should temperatures fall below this point, while no immediate issues may be apparent in winter, reduced or absent sprouting could occur in spring.
Solutions
During spring, remove any sections that have not successfully sprouted.
Signs of Heat Stress in Tall Annual Willowherb
Symptoms
Tall Annual Willowherb does not tolerate elevated temperatures well. When temperatures surpass 75℉, 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 intense midday and afternoon sun, or employ a shade cloth for coverage. Water the plant in the morning and evening to maintain soil moisture.
