How High to Hang the LED Grow Light at Different Stages of Growth?

Plants need a lot of light from vegging and right through flowering to harvest. The final yield will be directly proportional to the amount of light the plants receive during this period. But do you know actually how to handle the grow lights?This is a indoor growing guides for you.It’s necessary to know that there is no universal rule for how far to hang LED lights over plants in each stage of growth. Manufacturers construct their LED lights in their own ways, you should read the manufacturer’s recommended hanging height firstly. The right LED light height changes for each stage of growth. You can use dimming to adjust the intensity of the light on the plant surface if your LED is dimmable. if your light is not dimmable, your only option is to adjust the hanging height.

How High Should Grow Lights Be Located?

Plants need different levels of light according to each stage of growth. It is important to factor in the different stages of growth to know exactly how far the light should be from the plant.

Plant growth can roughly be divided into three different stages — seedling, Vegetative, and Flowering stages. The following is an instruction of each growing stage of the plant.

  • Seedling Stage

For seedlings, LED grow lights should be installed between 24-36 inches above the plant canopy, but you should also consider the power (wattage) of the light source. Keep an eye on the plants to avoid burning them.

Once roots have been established and sprouting has started, usually within the first 2-3 weeks, the grow lights can be moved to a closer distance. 

  • Vegetative stage

During the vegetative stages, LED grow lights should be placed between 12-24 inches away from the top of the canopy. 

More light is needed for photosynthesis, to increase the light intensity, the light source should be located closer to the plants in this stage. 

Strong stems and roots are key for a successful and repeatable yield. it is important to closely monitor your plants, making sure to look out for adverse symptoms caused by too much light or not enough.

  • Flowering Stage

Plants require less light as the plants progress through the flowering stage. Flowering is the final stage of a plant’s growth cycle, it is at this stage that the plants increase in height and grow fruit. 

As plant growth changes from the vegetative to the flowering or bloom stage, it is good practice to divide this transition process.

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