Ideal Temperature for Four o'clock flower
Images of Four o'clock flower
Signs of Cold Stress in Four o'clock flower
Symptoms
Four o'clock flower exhibits moderate resilience to cold and flourishes optimally when temperatures exceed 68℉. Throughout the winter, it should be maintained above 59℉. Should the temperature drop below 41℉, its foliage may begin to sag. Minor instances allow for recovery, but severe cases lead to wilting and eventual leaf drop.
Solutions
Remove any parts damaged by frost. Before subsequent exposure to low temperatures, cover the plant with materials like non-woven fabric or cloth, and erect a windbreak to shield it from cold gusts.
Signs of Heat Stress in Four o'clock flower
Symptoms
In summer, Four o'clock flower ought to be kept below 77℉. When temperatures surpass 86℉, the foliage's hue lightens, leaf tips might become parched and shriveled, leaves could curl, and the plant's vulnerability to sunburn increases.
Solutions
Prune off any sun-scorched and desiccated sections. Relocate the plant to a spot offering protection from the midday and afternoon sun, or employ a shade cloth for cover. Irrigate the plant in the morning and evening to maintain soil moisture.
