Ideal Temperature for Rocky mountain iris
Images of Rocky mountain iris
Signs of Cold Stress in Rocky mountain iris
Symptoms
Rocky mountain iris tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, maintain temperatures above 50℉. If temperatures drop below 40℉, while winter changes might be unnoticeable, spring may see reduced or absent sprouting.
Solutions
In spring, remove any sections that have not sprouted.
Signs of Heat Stress in Rocky mountain iris
Symptoms
In summer, Rocky mountain iris should be kept below 75℉. When temperatures surpass 85℉, the plant's leaves may lighten, curl, become prone to sunburn, and in severe cases, the entire plant might wilt and dry out.
Solutions
Remove any sun-damaged and desiccated portions. Relocate the plant to a spot shaded from the midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
