Ideal Temperature for Rocky Mountain Bristlecone Pine
Images of Rocky Mountain Bristlecone Pine
Signs of Cold Stress in Rocky Mountain Bristlecone Pine
Symptoms
Rocky Mountain Bristlecone Pine tolerates cold well and flourishes when temperatures exceed 55℉. In winter, maintain temperatures above 20℉. If temperatures drop below -20℉, while no immediate winter changes may be apparent, branches can become brittle and dry in spring, with no new growth appearing.
Solutions
Remove any dead branches in spring that have not produced new foliage.
Signs of Heat Stress in Rocky Mountain Bristlecone Pine
Symptoms
In summer, Rocky Mountain Bristlecone Pine should be kept below 75℉. When temperatures surpass 100℉, the plant's foliage may lighten, tips might dry and shrivel, and it becomes more prone to sun damage.
Solutions
Cut off any sun-damaged and desiccated sections. Relocate the plant to a spot offering protection from midday and afternoon sun, or use a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.
