Yes, it is the reason they were created; as plants require light to thrive, most nights do not see daylight. Your plant will grow at night if your grow lights are on. If you don’t intend to use grow lights at night or in an area lacking daylight, there’s no need to purchase them.
But you should not turn your light on all night, give the plants 4 to 6 hours of relaxation every 24 hours. A period of darkness is necessary for many plants to avoid stress.
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