Ideal Temperature for Sweet flag
Images of Sweet flag
Signs of Cold Stress in Sweet flag
Symptoms
Sweet flag tolerates cold well and flourishes best when temperatures exceed 60℉. In winter, maintain temperatures above 50℉. If temperatures drop below 40℉, while no immediate changes might be visible in winter, spring may see reduced or absent sprouting.
Solutions
In spring, remove any sections that did not sprout.
Signs of Heat Stress in Sweet flag
Symptoms
In summer, Sweet flag should be kept below 77℉. When temperatures surpass 86℉, the plant's leaves might lighten, curl, become prone to sunburn, and in severe cases, the whole plant could wilt and dry out.
Solutions
Remove any sun-damaged and desiccated parts. Relocate the plant to a spot offering protection from the midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.









