Ideal Temperature for Jerusalem thorn
Images of Jerusalem thorn
Signs of Cold Stress in Jerusalem thorn
Symptoms
Jerusalem thorn tolerates cool temperatures moderately well and flourishes optimally when temperatures exceed 68℉. In winter, maintain temperatures above 50℉. If temperatures drop below 32℉, foliage may begin to sag. Minor cases allow for recovery, but severe instances lead to wilting and eventual leaf drop.
Solutions
Remove sections damaged by frost. Before subsequent cold exposure, cover the plant with materials like non-woven fabric or cloth, and erect a windbreak to shield it from chilling gusts.
Signs of Heat Stress in Jerusalem thorn
Symptoms
In summer, Jerusalem thorn should be maintained below 86℉. When temperatures surpass 104℉, leaves lighten in color, tips may dry and shrivel, foliage might curl, and the plant becomes more prone to sun damage.
Solutions
Prune off sun-scorched and desiccated portions. Relocate the plant to a spot offering protection from intense midday and afternoon sun, or deploy a shade cloth for cover. Irrigate the plant in the morning and evening to maintain soil moisture.
