Ask a Question forum: Does anyone have experience with a LED grow light?

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Name: Aaron
New York (Zone 7a)
Aroids
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Araceae
Dec 25, 2017 12:06 PM CST
So, I have this LED grow light and I am not sure exactly how close or far/intense I should have the light on my begonia. Here is how I have it now:

Thumb of 2017-12-25/Araceae/3c2b6d

Thanks and happy holidays!
Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
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Xeramtheum
Dec 26, 2017 7:32 AM CST
Hi Aaron,

Found this link that might help.

https://californialightworks.c...
"The Universe speaks in many languages, but only one voice. It speaks in the language of hope; It speaks in the language of trust; It speaks in the language of strength, and the language of compassion. It is the language of the heart and the language of the soul. But always, it is the same voice. It is the voice of our ancestors, speaking through us, And the voice of our inheritors, waiting to be born. It is the small, still voice that says: We are one. No matter the blood; No matter the skin; No matter the world; No matter the star; We are one. No matter the pain; No matter the darkness; No matter the loss; No matter the fear; We are one. Here, gathered together in common cause. we agree to recognize this singular truth, and this singular rule: That we must be kind to one another, because each voice enriches us and ennobles us, and each voice lost diminishes us. We are the voice of the Universe, the soul of creation, the fire that will light the way to a better future. We are one."

G'Kar
Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Dec 26, 2017 1:54 PM CST
Aaron - It appears that your Begonia is close to a moderately sunny window. If so, the natural light provided is of far greater benefit than the grow lights provide. The lights are certainly doing no harm, but I'm not sure the benefit is that great.

Your Begonias are quite leggy and improved light will not eliminate the legginess because the new foliage will be at the tip ends of the stems, not down below where the stems are bare. The only way to eliminate the legginess is by pruning back the stems to a point one or two nodes above the soil. Of course, that will leave you without much foliage, but in a short while, you will see new growth emerge just below the pruning cuts. Ultimately you will have a shorter, but fuller and more compact plant. Pruning can be scary, but it does no harm and can be very beneficial to its overall appearance.
Will Creed
Horticultural Help, NYC
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Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
Dec 28, 2017 12:13 PM CST
Merry Christmas/Happy Holidays, Aaron 😀

If window isn't double pane, not to close to window, cold draft could kill her.
Direction window faces matters also.
For your lites to do any good, they need to be 1to 2 inches above plant.
😎😎😎

Anything i say, could be misrepresented, or wrong.
Name: Aaron
New York (Zone 7a)
Aroids
Image
Araceae
Dec 29, 2017 12:52 PM CST
@WillC y'know I am sort of afraid of pruning it and don't mind the moderate legginess that this plant is displaying. I guess I wanted to test run this new plant light and experiment around with it before committing it to a single plant.
Also, that's interesting to know..so pretty much the plant will look leggy and then have oddly-placed full growth at the top lol! Hilarious!

@PhilipWonel luckily my room is plenty warm! That being said it is 14° Fahrenheit outside where I live!
I'll try putting the light closer - but actually it already seems like the light is positively influencing growth by a little bit (my windows are north-facing).

I suppose I mostly wanted to make sure that my light wouldn't burn leaves, thanks all for the input. I'll continue experimenting.

Also, I wonder if I can grow full-sun type plants in my room with this new light despite having access only to indirect natural light. Confused
Smiling
Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Dec 29, 2017 1:16 PM CST
Aaron - I understand your fear of pruning as it is quite common, but it should not deter you. The legginess will only continue and will never correct itself.

Your artificial light will never be a substitute for full or direct sunlight. I suggest you rely on it for low and moderate light plants only.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Name: Karen
NM (Zone 7b)
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plantmanager
Dec 29, 2017 1:20 PM CST
Aaron, don't be afraid to prune. You can root the cuttings and have more plants to keep or give away. I just prune a few of the longer stalks, and as they grow out, I prune other ones. I never cut it all down at once.

I also have a big LED light fixture that I was afraid would burn plants. They don't do that. I was told I could put them as close as 4 or 5 inches to the plant. I've done that with seedlings.
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Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
Dec 29, 2017 8:06 PM CST
I use a 12 x 24" 4 bulb led tube lite to start my vegetable seedlings, one to two inches above seedlings.
I'm ?🤔??? Lazy ! I wait a few days, to see if I need to raise lite up.
The vege seedlings, will be growing against the bulbs and not get burnt.
I believe ! The bottoms of the LEDs should not get hot enough, that you can't hold them in your hand.

North facing window provides you with the least amount of lite in winter, plus more cold air. Southern facing window is best. since, sun is shining from the South, and more protected from cold north wind.
Go to a hydroponic store, they really know there stuff, not just cannabis.

Also ! Don't be afraid to prune it.
😎😎😎
Anything i say, could be misrepresented, or wrong.

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