Ideal Temperature for Engelmann's aster
Images of Engelmann's aster
Signs of Cold Stress in Engelmann's aster
Symptoms
Engelmann's aster exhibits exceptional cold hardiness, but winter temperatures should remain above 40℉. Should the temperature fall below this point, while no immediate changes might be apparent in winter, a reduction in spring sprouting or even a complete lack of new growth could occur.
Solutions
During spring, eliminate any sections that have not successfully sprouted.
Signs of Heat Stress in Engelmann's aster
Symptoms
Engelmann's aster does not tolerate elevated temperatures well. When the temperature surpasses 75℉, its development ceases, and its vulnerability to decay increases.
Solutions
Remove any parts that are scorched by the sun and desiccated. Relocate the plant to an area offering protection from the midday and afternoon sun, or utilize a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.
