Ideal Temperature for Yellow flag
Images of Yellow flag
Signs of Cold Stress in Yellow flag
Symptoms
Yellow flag tolerates cold well and flourishes best when temperatures exceed 60℉. In winter, it needs to stay above 50℉. If temperatures drop below 32℉, 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 Yellow flag
Symptoms
In summer, Yellow flag should be maintained below 75℉. When temperatures surpass 90℉, the plant's leaves might lighten, curl easily, suffer sunburn, and in extreme cases, the whole plant could wilt and dry out.
Solutions
Remove any sun-damaged and desiccated portions. Relocate the plant to a spot offering protection from midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
