Best LED Grow Lights Guide for Growing Marijuana 2020

LED grow light technology has been improving rapidly especially in the last 1-2 years. Although just about any LED grow light (even the worst ones) can grow good weed, some newer models developed specifically for cannabis are getting better yields, density, and plant growth rates than older and generic models. We are currently doing extensive testing between different LED grow lights to determine which are the “best”. Every grow light on this page gets great results (just look at the pictures to see what to expect) but I’d like to specifically point out certain LEDs where the newest models are beating expectations.

Are LED Grow Lights Good for Growing Cannabis?

As for me, an experienced grower (outdoor and indoor), I can confidently say that yes, they are good!
In my personal experiences, I’ve found a lot of good by using LEDs, which I will discuss later in more detail.
Over the past decades, LED grow lights have gained a little bit of fame among indoor growers particularly those who are cultivating weeds.
Though Light Emitting Diodes grow lights have been there since the early 1950s, they were not really able to generate a vast spectrum of color they’re now known for until now and nowhere in the category of best marijuana grow lights at all.
LED grow lights are also quite expensive, making LEDs an unreasonable choice for grow lights compared to High-Intensity Discharge grow lights.

You Need a Best LED Grow Light

​Having a LED grow light set up is essential for various reasons. There are a lot of approaches to get light to your plants, yet how would you realize that it is the most proficient way? How might you realize that you aren’t really overheating your plants trying to direct more light into them and increment your yield?

The reality remains that LED lights are the most productive grow lights that are accessible. To start, LED grow lights moderate 75% more power than customary grow lights.

By utilizing less power, you will spend less cash on power bills and hence have significantly more cash remaining for getting a charge out of your rewards for all the hard work, as opposed to spending its dominant part running the grow task itself.

Vital too is that the best LED grow lights utilize particular wavelengths of light that are required the most by your plants. Conventional grow lights shoot your plants with light and subsequently a significant part of the light is squandered.

LED lights, then again, utilize just blue and red wavelengths to give your plants everything that they require without wasting power and light on things that aren’t successful. There are LEDs that component either both, or special case, which makes it conceivable to practice and tailor your lighting to your plant’s needs.

My Best Recommend For You

​ECO Farm 320W/630W VR Series LED Linear Grow Light


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Top features:



  • High performance aluminum alloy light, fast heat dissipation, uniform illumination, life span up to 50000 hours.

  • Built-in aluminum alloy no flicker power supply driver.

  • Better heat dissipation than plastic power driver

  • It has full voltage, high stability, high precision, high transformation efficiency, short circuit protection function.

  • The use of aluminous shell for better heat dispersion and longer life time.

  • The ratio of full spectrum : scientific-proven ratio of full light spectrum which is suitable for different stages. (With different height to plant) of plant growth and enhanceing photosynthesis.



​Horticulture Lighting Group HLG-550 V2 Quantum Board


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Top features:



  • High-efficiency custom-designed white light quantum boards with Samsung LM301B diodes

  • 3000K white-light full spectrum for optimal canopy penetration and easy viewing

  • Ideal for seedling to harvest growth 

  • Reliable passive-cooled design (no cooling fans required)

  • Optimal canopy penetration with diffused light via a large form factor

  • Optional lenses for narrower beam angle and increased intensity 

  • Dimmable high-efficiency Mean Well driver (240-480W range)



​LUXX Lighting 645w LED Pro


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​Like the entire line of Luxx products, the new 645 LED Pro was built on the principle of design, test & repeat. It has been developed by assessing SMD (Surface Mount Device) chips and drivers from leading manufacturers in controlled test applications and cultivation facilities for 3+ years.

The LUXX 645 LED PRO is made up of Samsung horticulture whites and Osram reds. The respective companies lead the field in LED R&D, delivering high efficiency, reliability & diode performance. The LUXX 645 LED PRO deploys a lens angle of 120 degrees, from a 6 bar design, with a total of 2,226 diodes.