Ideal Temperature for Prickly lettuce
Images of Prickly lettuce
Signs of Cold Stress in Prickly lettuce
Symptoms
Prickly lettuce tolerates cold moderately, flourishing optimally between 50℉ and 77℉. In winter, maintain temperatures above 41℉. Below 32℉, foliage may darken. Severe cases show water-soaked decay, wilting, drooping, and leaves gradually browning.
Solutions
Remove frost-damaged sections. Promptly relocate indoors to warmth or construct a temporary greenhouse for cold defense. Indoors, position near a south-facing window for ample light. Supplement with artificial lighting if natural light is inadequate.
Signs of Heat Stress in Prickly lettuce
Symptoms
In summer, Prickly lettuce needs temperatures below 77℉. Above 86℉, growth slows, leaves lighten, and susceptibility to sunburn increases.
Solutions
Remove sun-scorched and desiccated portions. Relocate the plant to a spot offering afternoon shade. Water the plant in the morning and evening to maintain soil moisture.
