The quantity of daylight your lettuce vegetation want often is dependent upon the season during which you are rising them. The vegetable sometimes grows quickest when totally uncovered to direct daylight, however there are specific eventualities the place lettuce vegetation is not going to solely tolerate partial publicity to shade however will even profit from it. Lettuce heads could not want as many hours of daylight throughout the summer season as they’d throughout the cooler spring months as a result of the vegetable has an aversion to extraordinarily excessive temperatures. The crop performs finest when grown in temperatures starting from 60-65 levels Fahrenheit, however can endure temperatures reaching as much as 80 levels Fahrenheit. Lettuce is not notably keen on chilly climate both however can survive gentle frosts once in a while.
Purpose to your lettuce to obtain round 10-12 hours of daylight every day, however the vegetation ought to fare nicely receiving a minimal of six hours of day by day solar, particularly if rising the crop throughout a hotter season or in a warmer area of the nation. Seeing as much as 12 hours of direct daylight in an already sweltering atmosphere could trigger your lettuce to bolt, which is when the vegetation completely swap from growing leaves to producing flowers. This phenomenon additionally alters the style of your lettuce, making a bitter taste. The temperature of the lettuce’s soil additionally performs a job in how a lot daylight the crops can tolerate. The vegetable grows finest in moist, cool, and well-draining soil.