LED Grow Light Distance for Growing Cannabis
LED Grow Lights LED grow lights are powerful and can get great yields when used correctly. But when growing cannabis with LED grow lights it can be a little tricky to get the distance just right. Unlike with MH/HPS/LEC grow lights, there is no "standard" distance to keep each LED grow light and it's hard to summarize with a quick chart like the others. The distance needed between an LED and the top of the plants varies quite a bit from model to model and from manufacturer to manufacturer. Many things can affect the optimal distance from plants, including the individual size of each LED bulb and the way the manufacturer used lenses to reflect light downwards at your plants. Having the lights too close will cause the plants to burn and wilt, quickly killing them off. Raise your grow lights too high and the plants will stretch, causing the stems to be long and skinny leading to a very weak branch. Once the weight of bud growth reaches a couple of weeks, the branches wi...