good led grow lights for weed

Another consideration with cost is that some lights run hotter than others—HIDs, for example—so they may require additional fans or an AC unit to cool down a grow space. Extra equipment means more electricity, also driving up your utility bill.

LEDs also typically run a lot cooler than HIDs, so you may not need extra equipment to cool down your grow space, and one LED can usually be used for both vegetative and flowering growth. Some high-end LEDs allow you to change the spectrum for each growth stage.

Other considerations when choosing a cannabis grow light

HIDs have been the standard in indoor weed growing for decades, but LEDs are quickly catching up to them.

Best CFL grow light brands

However, because of their low price, if you’re new to indoor growing and not sure how often you’ll do it, you may want to invest in an inexpensive HID light at first to test the water.

Good led grow lights for weed

Before we reveal the different grow lights for weed, there are quite a few factors to consider. Therefore, we condense them into a handful of handy categories below.

Factors to Consider Before Buying Grow Lights for Weed

● You need multiple types of HID grow lights for different stages of growth.

The Best Indoor Cannabis Grow Lights: What Types Are There?

The uninitiated may believe that house lights are sufficient for cannabis plants. However, even if you use LED lighting, it is almost certainly too weak to help a marijuana crop in a grow room. Remember, your home’s lights are designed for your eyes rather than plants. The light spectrum required to help us see is very different from what plants require for photosynthesis.

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Good led grow lights for weed

Grow Space: 4.5×4.5’ coverage at 32” (suitable for vegetative stage) and 3.5×3.5’ coverage at 24” (suitable for flowering stage)

Grow Space: Between 1.5’x3′ to 2’x4′ grow space

Spider LED

How Far to Keep from Plants: 24″ is the recommended starting distance from the plants.

Grow Space: 3’x4′ or 3’x5′

Which LED grow light brands can be trusted?

Instead of having dozens of small diodes, COB style LED grow lights typically only have a handful of huge COBs, each with strong lenses to direct the light down into the plant. These are rapidly gaining in popularity and are known for having deep penetration into the plant canopy.