Ideal Temperature for Isu tree
Images of Isu tree
Signs of Cold Stress in Isu tree
Symptoms
Isu tree tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, maintain temperatures above 50℉. If temperatures drop below 32℉, 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 Isu tree
Symptoms
In summer, Isu tree should be kept below 77℉. When temperatures surpass 86℉, 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 fabric. Water the plant in the morning and evening to maintain soil moisture.
