Ideal Temperature for Intermediate periwinkle
Images of Intermediate periwinkle
Signs of Cold Stress in Intermediate periwinkle
Symptoms
Intermediate periwinkle tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to be maintained above 50℉. If temperatures drop below 40℉, while no immediate changes might be apparent in winter, branches can become fragile and parched by spring, with no new growth appearing.
Solutions
In spring, remove any lifeless branches that haven't produced fresh foliage.
Signs of Heat Stress in Intermediate periwinkle
Symptoms
In summer, Intermediate periwinkle should be kept below 75℉. When temperatures surpass 85℉, the plant's leaves might lighten in hue, their tips could dry and shrivel, and the plant becomes more prone to sun damage.
Solutions
Remove the sun-damaged and desiccated sections. Relocate the plant to a spot offering protection from the midday and afternoon sun, or use a shade fabric to provide cover. Water the plant in the morning and evening to maintain soil moisture.
