Ideal Temperature for Southern magnolia
Images of Southern magnolia
Signs of Cold Stress in Southern magnolia
Symptoms
Southern magnolia tolerates cold well and flourishes best when temperatures exceed 65℉. In winter, it needs to stay above 50℉. If temperatures drop below 32℉, while no immediate changes might be visible in winter, 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 Southern magnolia
Symptoms
In summer, Southern magnolia should be maintained below 77℉. When temperatures surpass 86℉, the plant's leaves might lighten in hue, tips could dry and shrivel, and it becomes more prone to sun damage.
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.
