What to look for in a greenhouse grow light

Added on 29 May 2022

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What to look for in a greenhouse grow light

As LED lighting continues to improve, the list of growers who benefit from these advances in technology grows as well. No longer is it just indoor grow room cultivators that can reap the rewards of powerful grow lighting, but also the savvy greenhouse operators looking to join the movement away from inefficient HID systems. Those looking to make the switch should keep a few key things in mind when purchasing a light for their greenhouse in order to share in the bounty that so many LED users have been enjoying.

Small Size

It's very important that a grow light designed for a greenhouse is small in size. Greenhouses rely on natural sunlight first and foremost, so any additional lighting must not block the path of the sunlight hitting the plants. That's why greenhouse lights like the Pleiades and Cobra by Fohse are lauded for their small design. The slim profile of the light was designed to line the trusses of a greenhouse, fitting in perfectly without blocking the windows. Because it casts no additional shadows, it is the perfect supplemental light source for a greenhouse or hoop house, as it provides uniform light across the entire canopy.

Large Output

In any grow room, whether a greenhouse or an indoor setup, photon density is key to getting a larger yield. Greater photon density leads to more carbon assimilation in the plant, which means that the plant will pack on more biomass when exposed to increasing light levels. Even a greenhouse light will have more of an impact if loaded with an abundance of diodes.