Ideal Temperature for Formosa firethorn
Images of Formosa firethorn
Signs of Cold Stress in Formosa firethorn
Symptoms
Formosa firethorn tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, maintain temperatures above 50℉. If temperatures drop below 40℉, while winter changes might be subtle, branches can become brittle and dry by spring, with no new growth appearing.
Solutions
In spring, remove any dead branches that haven't produced new foliage.
Signs of Heat Stress in Formosa firethorn
Symptoms
During summer, Formosa firethorn should be kept below 75℉. When temperatures surpass 85℉, the plant's leaves may lighten, tips might dry and shrivel, and it becomes more prone to sunburn.
Solutions
Remove any sun-damaged and desiccated sections. 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.
