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7 Best 600 Watt LED Grow Lights for 2022

600W LED Grow Lights are essential for a reliable harvest, but there are plenty of considerations and difference between different models depending on your needs so we’ll try to debug some of the most common questions about what to look for in a grow light, and how to choose which 600 Watt LED Grow Light is best to you.

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Best 600 Watt LED Grow Lights

Grow lights have so many applications for domestic and commercial growers, but most importantly give your plants the right conditions to start forming buds, and 600W Grow Lights are the perfect addition for larger grow tents. For vegetables they promote flowering and fruit; for houseplants grow lights can be adjusted to promote stronger foliage.

When to Get a 600 Watt Grow Light

When You Have a Bigger Tent

Bigger tents need bigger light, and 600W LED grow lights are great for filtering light to wider spaces. While grow tents are essential they do help regulate humidity, and when you’re using 600-Watt lights, they focus their energy on light with temperature regulators in most models to reduce the risk of overheating a crop.

For beginners, growing just one or two plants, a small grow tent is easy enough, and a 300-Watt bulb should be enough, but for larger spaces, you’ll need a larger grow lamp.

For a more thorough look at grow tents, and why it might be time to upgrade, read about our Grow Tent Buyer’s Guide so you know what you’re looking for.

When You Want to Save on your Utility Bills

600 Watt grow lights are all LED lamps, so for more power than a 300-Watt bulb, you’re using less electricity, so they’re more efficient, as well as more effective at spreading artificial rays over your crops.

The HID lights used traditionally for hydroponics use more wattage to generate the same amount of light, with less effective growth, and usually less adaptations to help you keep control. The real beauty of 600w LED grow lamps comes with the ability of LEDS to be dimmed – allowing far more control of light levels for seedlings and young plants.

A 600 watt LED lamp uses fewer watts than old style HID lamps, which can drive down HVAC operation costs. Heating , Ventilation, and Air Conditioning (HVAC) are the three most important elements to get right in your grow tent, and a 600 watt grow light goes a long way to simplifying the process.

When You Need to Lower the Heat in your Grow Tent

A 600 watt led grow light doesn’t create the high temperatures of an 800 or 1000 watt lamp. Obviously fewer watts translate to lower heat, but with most LED lamps it's not so much the wattage that creates the reduced heat but the efficiency. 

One watt is equal to 3.41 BTU/h (British Thermal Unit per Hour), which means a 300 watt LED creates up to 1023, and a 1000 watt grow light creates 3412 BTU. A 600 watt LED light creates a maximum of 2046, but because of their middling wattage they can often create the equivalent of 600 watts, by using just 300 watts, so check the actual wattage on each individual model.

If your grow tent is overheating, you can make use of the money saved with the 600 watt grow light, by installing a fan for ventilation, but for me, it's often as simple as opening the zip a little when temperatures rise too high. 

When You Want to Place Grow Lights Close to Your Plants

Because of their lower temperatures 600W LED grow lights can be hung just a few inches above your plant, even as young seedlings. The lower temperatures are more controllable, and safer for the plants, so investing in a grow light that has adjustable cables to support it in your grow tent is essential. 

Without adjustable strappings you’ll be losing vital energy from the bulbs until your plants are a few feet tall.

That said, make sure to read manufacturer instructions for your grow light, as some 600W models can still run quite hot, and can risk burning young plants in particular.

When You Want to Improve Spectrum

In 2022, it’s pretty much pointless explaining that full spectrum is required, and you should clearly be using full spectrum lamps for any indoor growing as they are the only way to correctly reproduce the light requirements for successfully budding plants. 

Almost every 600-watt grow lamp sold today is full spectrum, but make sure to check just in case. Without putting it too bluntly, anything other than full spectrum is a waste of money.

Best 600 Watt Led Grow Light Reviews

XEW 600 Watt Led Grow Light

I’ve been swayed by the visuals of this lamp. 600W grow lights are usually pretty bulky, but this neat option, comes with a few handy tools for plant parenting, and looks crisp while growing your first plants. 


Like the Yintatech, it’s only compact, at 2.5x2.5ft, but it’s powerful, and the flat plate allows light to spread more evenly over your crop.

XEW 600 Watt Led Grow Light it’s only compact, at 2.5x2.5ft, but it’s powerful, and the flat plate allows light to spread more evenly over your crop

Pros

  • Compact at 2.5x2.5ft
  • Plug in and start growing
  • Full spectrum grow lights
  • Runs cool & quiet
  • Really well manufactured
  • Comes with 3 year warranty, plus 60 days money back guarantee
  • Great value
  • Particularly efficient grow light

Cons

  • No option to use in a daisy chain
  • Not dimmable

YINTATECH 600W LED Grow Light

Yintatech is a full spectrum growing lamp, ideal for hydroponics or indoor vegetables. While its compact size limits its applications, it is perfect for use with grow tents for beginners with a small plant collection to take care of.


It’s also an incredibly simple 600W Grow Light to use, with two basic settings - veg, and bloom – giving you easy control of plant growth stages, and it’s hanging straps are fully adjustable so it can be kept within a few inches of seedlings, and raised as your plants grow.

YINTATECH 600W LED Grow Light is a full spectrum growing lamp, ideal for hydroponics or indoor vegetables

Pros

  • Only 2.8x2.8ft giving it limited options for expansion
  • Easy to use, just plug in and go
  • Full spectrum lighting
  • Runs cool
  • Great build quality
  • Can be used in daisy chain (additional wires sold separately)
  • Great price for a 600W grow light of this standard

Cons

  • No dimmer
  • No timer
  • No Warranty

MIXJOY 2021 GL4000s Led Grow Lights

OK, so a 600W LED Grow Light might seem expensive at almost $500, but this is incredibly efficient, actually using 450W to produce the power of a 600W lamp.


It’s completely dimmable, and comes with a built-in timer, with an accompanying smartphone app to control growth remotely.


It’s compact, so it’s perfect for beginners, or as part of a wider daisy-chain setup for commercial growers.

MIXJOY 2021 GL4000s Led Grow Lights is completely dimmable, and comes with a built-in timer, with an accompanying smartphone app to control growth remotely

Pros

  • Size: compact, at 2.5ftx2.5ft
  • Can be used in daisy chains
  • Incredibly easy to use, but needs a little setup and connecting to the app
  • Full spectrum lighting
  • Fully dimmable
  • Runs cool
  • Brilliant quality from a reliable brand
  • Sold with a 3-year warranty, and 20 day money back guarantee
  • Incredibly efficient, producing 30% more power than it consumes

Cons

  • This is the most expensive 600W LED grow lamp in our list

TMLAPY 600 Watt Grow Light

I just really like how this light looks. The other 600W grow light I like the look of, the XEW, couldn’t be more different.


There’s just something really sweet about this retro bit of kit, and something about the simplicity of the materials and led colouring gives me more confidence in its ability to do what I need it to do.


TMLAPY are already used by commercial growers as their simple blue/red lights give full spectrum in a controllable way.


Their one downfall for non-commercial growers is that they run hotter than some others. They still have cooling fans, so are safe to use, but are better for greenhouses and polytunnels.

TMLAPY 600 Watt Grow Light used by commercial growers as their simple bluered lights give full spectrum in a controllable way

Pros

  • Beautifully compact, at just under 13”x9”
  • Built specifically with daisy chains in mind
  • Easy to use, but some maintenance might be required on cooling fans
  • Full spectrum lighting, using traditional red/blue
  • Great quality, and simple build make it really reliable. Properly cared for, this grow light will last a lifetime
  • 3 year warranty, and 30 day guarantee
  • Really good value

Cons

  • Runs cool, but hotter than other fan cooled models
  • Not dimmable

GROPLANNER 600 Watt Grow Light

Groplanner’s 600W LED grow light has great reviews from public buyers, and professional growers, and comes as a modular set. Its simple modular design makes it incredibly easy to start small and expand as you grow in confidence. 


While it’s more expensive than other grow lights, it has a dedicated app, like the Mixjoy model, and comes with all the capabilities. 


The only difference between Mixjoy and Groplanner on paper is that Mixjoy is more efficient, so the choice is between efficiency and cost, where this will save you around $100 to buy.

GROPLANNER 600 Watt Grow Light has great reviews from public buyers, and professional growers, and comes as a modular set

Pros

  • Cheaper than comparable smart grow lights
  • Compact, but easy to expand
  • Completely adaptable to daisy chain setup
  • Full spectrum lighting
  • Dimmable
  • Runs cool
  • Quality / materials
  • Full 3-year warranty

Cons

  • Heavy

HONORSEN 600W LED Grow Light

Honorsen produces a reasonably cheap model, great for beginners who just want to experiment without splashing out huge amounts of cash.


Some of the features of this 600W Led grow light are well beyond what you would expect for the cost, including a really handy remote control that controls dimming and timer functions.

HONORSEN 600W LED Grow Light are great for beginners

Pros

  • Size: Really compact for a 600W LED grow light, taking up 1ftx2ft in space, but producing a 2ftx2ft square of growing space
  • Can be used in daisy chains, but best as a single unit
  • Easy to use, with a paired remote control for dimming, and timer
  • Full spectrum lighting
  • Dimmable
  • Runs cool
  • 3-year warranty, and 30 day returns guarantee 
  • Consumes 60W, produces 600W

Cons

  • Slightly more expensive than similar models
  • This is a budget model built as a budget model, and while it is suitable for most jobs, may not be as durable as similar models

KingLED LED Grow Light 600W

Last but not least is the King LED Grow Light 600W. This is a basic model, slightly better made than the Yintatech, but slightly more expensive too.


It’s really easy to use, and for growers just looking to experiment and see how things go in their first year, it’s a perfect companion to young plants with a fool proof switch to support your plants through blooming.

KingLED LED Grow Light 600W is a perfect companion to young plants with a fool proof switch to support your plants through blooming

Pros

  • Only 2x2ft giving it limited options for expansion
  • Easy to use, just plug in and go
  • Full spectrum lighting
  • Runs cool
  • Great build quality
  • Can be used in daisy chain (additional wires sold separately)
  • Great price for a 600W grow light of this standard

Cons

  • No dimmer
  • No timer
  • No Warranty, but servicing is included if registered

Best 600 Watt Grow Lights

Sumo Gardener's Top Pick

Best 600 Watt Grow Lights for 2022
XEW 600 Watt Led Grow Light

If you’re going to have a full spectrum 600W LED grow light in your home, then choose one that looks good. There’s not really any argument in favour of grow lights for interior décor, but the XEW Led Grow Light 600W is a genuinely beautiful light, with great features and a really reasonable price for the quality of the product.

Best Value 600 Watt Grow Light

Best Value 600 Watt Grow Lights for 2022
YINTATECH 600W LED Grow Light

If it was me, and I was starting out with hydroponics, I think the YINTATECH 600W LED Grow Light would be a brilliant place to start.

It’s cheap enough that you’ll break the bank just to have a go, but durable enough that you’ll easily get through your first through years of learning the ropes until you need to upgrade.

Premium Choice 600 Watt Grow Light

Premium Choice 600 Watt Grow Lights for 2022
MIXJOY 2021 GL4000s Led Grow Lights

MIXJOY 2021 Latest GL4000s Led Grow Lights is definitely premium, and for growers who know what they’re doing. Yes there are cheaper alternatives, but if you plan on growing year after year, then the efficiency savings of the Mixjoy compared to other smart grow lights is a no brainer.

600 Watt LED Grow Light FAQs

How many plants can I grow under a 600w LED grow light?

While you can probably start around 9 seedlings off under a 600w LED grow light they are ideally suited to around 4-5 mature plants. Because 600w grow lights are so easy to daisy chain though, it might be useful to start everything off under one lamp, and spread them out later in the season to save costs.

How much area does a 600w grow light cover?

Most 600w grow lights cover about 6ftx6ft with effective lighting. You can try out smaller plants on the peripheries, to make the most of the filtered lighting, and they’ll still get some benefit, but see these as runts which will produce less – but if you’re on a budget and don’t want your HVAC bills to skyrocket, it's worth a shot.

Do LED grow lights really work?

Yes, 100%, LED grow lights work by producing as close to natural light as possible in areas where you can’t utilize natural sunlight. They also help to regulate temperatures, especially when used in combination with grow tents.

Time to Get the Best 600 Watt LED Grow Light 

Light levels are by far the most important thing for successful indoor crops, and you can’t really go wrong with a 600W grow light. Depending on what exactly you’re growing, we’ve got a comprehensive review on the best grow lights available today, but I really do believe that 600 watts are the way to go for almost any indoor crop.

Anything grown indoors needs proper lighting, controlled humidity (check out the best grow tent humidifier here), and regular temperatures, and with some of the models on review above even having smart controls over exactly how much light your pants get each day, they’re easily the most adaptable lights on the market, and if you decide they’re too bright for you, they’re even dimmable.

Most importantly though, if you’ve had your fun with a lower power 300 watt light, and you’re feeling confident to make the move up to a bigger grow tent, or bigger crop, then it’s time to move on to a 600 watt LED grow light and give your harvest a serious boost (just make sure you’ve got it set to Red/Blue where possible to get the most out of the buds before they flower).

There you have it! You are now ready to choose the best 600 watt LED grow lights for your growing needs! 

About the Author Pat Moreno

Pat is our gardening tool expert here at Sumo Gardener. Working for many years as a private and commercial landscaper, Pat has used almost every type of gardening tool there is. Along with a vast knowledge for types of plants and putting together an amazing looking and maintainable garden, Pat developed a passion for gardening tools as he found that using the right tools vastly improved the ease and outcome of any landscaping job he undertook. When spending hours, days or years using a particular tool, you want to make sure you’ve got the best one for the job, and Pat is the right guy to guide us to the best gardening tools.

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