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Can you grow marijuana with LED grow lights?


Please note: This article was written in April 2012. Since then, LED grow lights have been improved to produce even better results when growing marijuana.

New! Click Here to View complete grow journal under Pro-Grow X5-300 with 5-watt LEDs and a 9.3 ounce harvest!

You may or may not know about the LED grow light craze for marijuana growers.

LED grow lights use less energy and generate much less heat than standard HID grow lights, so there's good reason for all the attention.

The Truth About LED Grow Lights
by Nebula Haze and endive

Today, I'll be answering the following questions:

  1. Why is there so much controversy about whether LED grow lights even work?
  2. Which companies, if any, have the best LED grow lights (specifically for growing marijuana)?

Some people say LEDs work great for growing marijuana, while others claim LED grow lights are junk and can't be used to grow anything.

The truth is that both sides are right.

Now, I'm talking about grow lights made of light emitting diodes, commonly known as LEDs. You may have seen ads for these lights, which often resemble UFOs, and claim to be the growing technology of the future.

 
First invented in 1927, no one could find any practical use for these tiny lights until 1962, when LEDs first hit the scene in 1962 as glowing red indicators on electronics.

After that, LED development has proceeded rapidly.

LEDs, which were originally tiny and dim, have doubled in efficiency and light output about once every 36 months since the 1960s.  

As you probably know, humans have tried growing plants with just about every type of artificial light we've ever created, and LEDs are no exception.

Which has all led to the development of LED grow lights.

At first, no one could successfully grow anything using LEDs. Each individual LED is relatively small and produces only a specific wavelength(color) of light, and we couldn't seem to successfully replicate the proper strength and color of sunlight.

But through trial and error, we've now developed some wickedly effective LED grow lights.

And LED grow light systems have some pretty sweet benefits:

  • Extremely efficient and uses a fraction of the electricity of other grow lights
  • LED light systems run extremely cool and most do not need you to do anything to control heat
  • Most LED light systems can be plugged directly into a regular power outlet, and don't need a ballast or special light socket like most other grow lights.
  • Some growers claims that marijuana buds grown under LEDs contain more THC and other cannabinoids (which may be because marijuana produces stronger buds when slightly stressed)

Now, it's a proven fact that LEDs can be used to grow plants from the beginning to the end of their life cycle.

I know this is true because I have personally have grown marijuana plants from seed to harvest with a Lighthouse Hydro BlackStar 135 Watt LED grow light system.

My search for LEDs started because I live in an area where heat can be an issue. I am also a small scale grower who would like to still have a presentable house for guests.

Where I was living at the time, I didn't want to have install ducting for ventilation or anything like that, which made HID lights pretty much out of the question for me.

Based on the experiences of some of my fellow growers, I discovered many LED grow light systems just don't work for growing marijuana.

After doing some research, I got my Lighthouse Hydro BlackStar 135 Watt LED grow light in 2012. I got a second one a few months later, I've grown 3 crops in total under just these BlackStar panels, growing two small plants under each UFO LED Grow Light panel.

My yields under the Lighthouse Hydro Blackstar were a bit smaller than normal and throughout the grow my plant leaves appeared a bit beat up (got occasional spots, brown marks, and other signs of light stress, especially the leaves close to the LEDS), but the buds produced with the Lighthouse Hydro Blackstar were always dank, ultra-poten and sticky.

The incredible quality of the buds kept me trying to find ways to up the total yields.

Plus I was saving money on my electricity bill (electricity use with the  Lighthouse Hydro Blackstar LED Grow Light was minimal), and there was no heat to speak of, which really simplified the heat situation in my tiny, tiny closet.

I was pretty satisfied with the results.

Then I had the pleasure of running into other growers who have used specific models of LED grow lights that work FANTASTIC.

So LED grow lights can work, but at the same time, it is true that some work much better than others. And there really are dishonest companies out there who probably just slapped together a bunch of LEDs, which no consideration to what's really needed to grow a plant, and these LED grow lights will never grow anything, no matter what you do.

In today's article, it is my goal to share with you 2 brands of LED Grow Light that have been proven to work great for growing marijuana, so you can skip the trial and error.

Lighthouse Hydro BlackStar 135W LED Grow Light
(3W Chipset)


Learn more about the Hydro Blackstar
(even better than the old eLoofa LED UFO Grow Light!)

Verdict: Great for the small-scale grower who wants to grow 1-2 plants in a closet

Price: About $180

Pros: Low heat, low electricity use, 1 year warranty, incredible quality of buds produced (seriously the potency is 10/10), can grow two plants with one Hydro Blackstar panel

Cons: Smaller-than-average yields, someone airy buds, leaves closer than 15" to the light can show signs of light stress.

Here are some pictures of the plants which were grown primarily under the Hydro Blackstar panel. The top three show the plants a month before harvest, and the bottom two photos are from the day of the harvest. The purple pictures show what the buds look like under the LED lights. Click on any of the thumbnails to see a bigger version!

 

This is the bud off of a White Rhino plant that has been growing under the eLoofa LED panel. The buds appear purple/black when they're under the LED light. This bud off of a White Rhino plant was grown primarily under the eLoofa LED panel Extreme close up of White Rhino bud grown under the eLoofa LED grow panel

A White Rhino Cannabis plant grown under the eLoofa LED panel These just harvested White Rhino buds were grown primarily under an eLoofa LED light panel

 

Close-up of the trichomes on one of the White Rhino buds grown under a 90w LED grow panel
Close-up of the trichromes on one the buds growing under the
135W Blackstar LED Grow Light Panel (3W chipset)

Pro-Grow 400

Pro-Grow 400 LED Panel is great for growing marijuana
Learn more about the Pro-Grow 400 

Verdict: Great for the discrete small to mid-sized grows (4-6 plants) in a closet or grow tent. "This is a solid LED grow light that will give a 600 watt high pressure sodium system a fair run... but at half the power consumption."

Price: $550 (for one of these efficient monsters)

Pros Will outproduce a 400W HPS using only 240 watts of electricity, very little heat produced, and buds are "Potent enough to catch even experienced patients off guard, to the point that the batches out in the local Med community have been nicknamed 'Warning Label.'"

Cons: Expensive initial investment 

The following information and pictures are here thanks to endive from GrowMedical420.com. Definitely check out his website out for tons more pictures and to get updates about their current and future medical marijuana grows!

The Pro-Grow 400 easily covers a 4' x 4' area, and up to 5' x 5' with a little plant rotation & shuffling.

Ideal setup for a grow tent or closet is to have the taller, lanky plants toward the edges of your grow area with the shorter and denser plants located center, directly under the lamp. You may even raise the 'edge' plants up a bit so they are closer in height to the LEDs.

Keep Pro-Grow about 20" above plants. The days of having to keep your LED grow lights just inches above your plants are over.

Suggested Strains that have worked beautifully with the Pro-Grow 400 (with pics to prove it... click for closeups!)

Nirvana Aurora Indica: An F1 hybrid of Afghan and Northern Light. Its plants stay short, producing heavy colas and dense buds. This marijuana strain produces exceptional amounts of resin, resulting in a deep, near-black hash with a tasty aroma and a heavy buzz. This probably is Nirvana's most potent Indica seeds strain.
Aurora Indica marijuana grown with LED lightsAurora Indica marijuana grown with LED lights

Blackberry: Quickly gains mass, trichomes & aromas! Fast growing, dense colas from top to bottom, trichome coated & smelling of ripe fruit and jet fuel.
Blackberry weed grown under LED grow light

Northern Lights: Quick to flower, high producing. Aromas vary from 'incense & hashish'  to 'honey & tangerine', but they were all sweet & herbal on the inhale, gentle on the lungs as the spicy/incense undertones become more prevalent. You'd wish you could hold it in forever, as you reluctantly exhale, you are rewarded with one last aromatic blast of sandalwood and hashish...
Northern Lights buds grown under LED grow light

Jock Horror: Jock Horror produces so much resin that even its branches glisten with THC glands. This marijuana strain's variety has a unique fresh flavour and packs a strong "up" buzz.  Buds look dank! While manicuring the freshly cut colas, I found myself having to change out or clean my scissors & shears every few branches. They are the stickiest Jock I've grown to date yet and by far the most delicious smelling, almost a melding of skunk & cotton candy!
Jock Horror under LED grow lights

I hope you enjoyed today's article all about LED grow lights for our favorite herb, marijuana!

All pictures of marijuana plants grown with the Pro-Grow 400 are by endive at GrowMedical420.com. Check out his website right here!

About endive from GrowMedical420.com

"I try to show the average guy or gal how they can free themselves from the grips of dealers and dispensaries. Hopefully this will empower other patients to do the same, and that makes it all worth it."

 


 

I hope that helps you as much as it would have helped me when I first looked into growing weed with LED lights!

If you haven't started growing marijuana yet, today is the day! Learn the basics.

If you run into any problems while you're growing marijuana, you don't have to figure everything out alone. Use our handy marijuana problem picture guide to quickly diagnose your plant: 
http://growweedeasy.com/marijuana-symptoms-pictures

Wanna "steal" this article?

Here at GrowWeedEasy.com, we are dedicated to getting this information into as many hands as possible. You are welcome to republish this entire article as long as you do not edit, remove or or otherwise change any part of it without permission.

Please don't hesitate to Contact GrowWeedEasy.com with any questions.

Happy growing!

 

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