Ideal Temperature for Noble yarrow
Images of Noble yarrow
Signs of Cold Stress in Noble yarrow
Symptoms
Noble yarrow exhibits exceptional cold hardiness, yet winter temperatures should remain above 40℉. Should temperatures fall below this point, while no immediate winter changes may be apparent, reduced or absent sprouting could occur in spring.
Solutions
During spring, eliminate any sections that have not germinated.
Signs of Heat Stress in Noble yarrow
Symptoms
Noble yarrow does not thrive in elevated temperatures. 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 cover. Hydrate the plant in the morning and evening to maintain soil moisture.
