Ideal Temperature for Zonal geranium
Images of Zonal geranium
Signs of Cold Stress in Zonal geranium
Symptoms
Zonal geranium favors warm conditions and cannot withstand low temperatures. It flourishes optimally when temperatures exceed 65℉. In winter, maintain temperatures above 60℉. If the temperature drops below 50℉, foliage may lose color. Following frost damage, leaves progressively turn brown or black, exhibiting signs like wilting and drooping.
Solutions
Remove frost-damaged sections. Promptly relocate indoors to a warm setting for cold protection. Position the plant near a south-facing window to ensure sufficient light. Furthermore, avoid placing it near heating units or AC vents to prevent excessive air dryness.
Signs of Heat Stress in Zonal geranium
Symptoms
In summer, Zonal geranium should be kept below 75℉. When temperatures surpass 85℉, leaf coloration lightens, and the plant becomes more prone to sunburn.
Solutions
Prune off any sunburned and desiccated portions. Relocate the plant to a spot offering shade from the midday and afternoon sun. Water the plant in the morning and evening to maintain soil moisture.
