Ideal Temperature for Blue lettuce
Images of Blue lettuce
Signs of Cold Stress in Blue lettuce
Symptoms
Blue lettuce tolerates cold well, but winter temperatures should stay above 45℉. If temperatures fall below this, while no immediate changes might be seen, sprouting in spring could be reduced or absent.
Solutions
In spring, remove any sections that did not sprout.
Signs of Heat Stress in Blue lettuce
Symptoms
Blue lettuce does not handle high temperatures well. Above 75℉, its growth ceases, and it becomes more prone to decay.
Solutions
Remove any sun-damaged or dried-out portions. Relocate the plant to a spot shaded from the midday and afternoon sun, or use a shade cloth. Water the plant in the morning and evening to maintain soil moisture.
