Ideal Temperature for Highbush blueberry
Images of Highbush blueberry
Signs of Cold Stress in Highbush blueberry
Symptoms
Highbush blueberry tolerates cold well and grows optimally above 60℉. In winter, maintain temperatures above 55℉. If temperatures drop below 45℉, while winter damage might not be obvious, branches can become brittle and dry by spring, preventing new growth.
Solutions
In spring, remove any dead branches that haven't produced new foliage.
Signs of Heat Stress in Highbush blueberry
Symptoms
In summer, Highbush blueberry should be kept below 75℉. When temperatures exceed 85℉, the plant's leaves may lighten, tips might dry and wither, and it becomes more prone to sunburn.
Solutions
Remove any sun-damaged and dried 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.
