Ideal Temperature for Blue lupine
Images of Blue lupine
Signs of Cold Stress in Blue lupine
Symptoms
Blue lupine tolerates cold well and grows optimally above 68℉. In winter, maintain temperatures above 50℉. If temperatures drop below 41℉, while winter changes might be unnoticeable, spring sprouting could be reduced or absent.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Blue lupine
Symptoms
During summer, Blue lupine should be kept below 77℉. When temperatures exceed 86℉, leaves may lighten, curl, and suffer sunburn; in severe cases, the plant can wilt and dry out completely.
Solutions
Remove any sun-damaged and desiccated portions. Relocate the plant to a spot shaded from midday and afternoon sun, or provide shade with a cloth. Water the plant in the morning and evening to maintain soil moisture.
