Use with questions about general LED (Light Emitting Diode) lights or LED grow lights. How to choose, install or maintain them. For general grow lamp or grow light questions use the tag [grow-lamps].
Questions tagged [led]
21 questions
35
votes
7 answers
Are household LED bulbs suitable as supplemental light for plants?
I live at a fairly northerly latitude where we have limited hours of daylight during the winter. Low-wattage (5-8W) white LED bulbs seem to be becoming more common as a household light source.
Do these LED bulbs provide suitable light for growing…

Ben Mordue
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10
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1 answer
What LED light should I choose for a specific PAR watt need?
I wish to design an LED lighting system suitable for growing plants in the absence of natural light. I do NOT wish to just buy available specialised horticultural LEDs - I want to build my own using standard LEDs.
According to literature I found on…

neydroydrec
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8
votes
1 answer
Indoor LEDs: Recommended Light Levels for Vegetables, Herbs, etc
I'm growing vegetables and herbs with LED lights inside.
Where can I find a list of recommended lighting values (uMol per square foot) for a long list of plants that I might want to grow?
For instance, I've found recommendations for basil (500) and…

Aaron Kreider
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8
votes
3 answers
Solar driven LEDs to offset electricity for mass growing in a basement
I want to grow vegetables in my basement year round. I live in zone 3b, in a rural area and I'd like to start selling produce as well as providing food for my family as well.
Ideally, I'd like to build a DIY LED setup, with affordable 100watt LEDs…

Tyler
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5
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2 answers
Is this night lamp setup helpful or harmful for seedlings?
If I keep the regular (so called warm white) night lamp during nights above my Echinacea angustifola and Rudbeckia hirta seedlings (like pictured in the photos), would it be helpful or harmful for seedlings?
The lamp is 3W, and doesn't produce any…

VividD
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4
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2 answers
Would LEDs be beneficial for most plants?
I'm trying to grow the following indoors:
Lambs lettuce
Purple Coneflower
Thyme
Dill
Bergamot
I'm having a hard time getting things to grow with fertilized soil and sunlight by windows, I'm wondering if any type of LED would help or am I missing…

Rebecca RVT
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4
votes
2 answers
Advice on LED light periods for cactus
I want to grow large cacti, see my previous question. So I start with small plants and to keep them growing in winter time I want to give them LED (special grow) light.
I was wondering about the best light periods for the small young plants. I am…

benn
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3
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3 answers
what is the minimum lumens of light required to grow a single tomato plant and similar flowering plants Indoors?
I am planning to grow a single tomato plant Indoors. I am doing research on what grow light to invest on as a beginner. I want to know how many lumens does a tomato plant requires?
If I want to grow similar flowering plants like cucumber, then what…

Ashish Tiwari
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3
votes
4 answers
LED grow lights in living space cause eye damage?
I'm setting up a 3'x 6' space in my living room to grow citrus trees. I'd like them to be able to fruit year-round.
I'm trying to decide between a few 200-400 watt CFL grow lights or LEDs.
LEDs are lighter and cheaper, but I'm worried about eye…

Cole Warren
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2
votes
1 answer
Indoor Growing - Light Selection
I have undercabinet lighting using f8t5/cw fluorescent bulbs. I want to replace these with lights that will allow small plants (ex. basil, oregano, mint, and other low maintenance herbs) to grow leaves quickly and with flavor.
This is not a product…

acpilot
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2
votes
1 answer
Is a Monios-L T5 LED Grow Light good for all life stages of flowers?
There is an overwhelming amount of lights to choose from for optimal plant growth. I have purchased a Monios-L T5 LED Grow Light but am uncertain if it is suitable for seedlings. I am currently trying to grow…

Rebecca RVT
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2
votes
0 answers
Can LED flood lights supplement north facing balcony light to grow tomatoes?
I have a north facing balcony that does not get enough light to grow most flowering plants or tomatoes.
I want to try supplementing with LED flood lights from behind. Is it worth the effort?

Christine
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2
votes
2 answers
Full spectrum LED strips tape for growing succulents and indoor plants
I'm looking at modifying some built in shelving that I have in my house with some LED strips to help my succulents and indoor plants. Due to the fixed nature of the shelves and the relatively narrow spacing between the shelves (about 12"), I don't…

anthonyv
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2
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LED light or Indirect Sunlight for Hawaiin Tree Fern?
How should I best grow a Hawaiin tree fern in my New York City apartment? I have LED lights that are currently helping my Thai and Genoa Basil plants grow. Should I also put the Hawaiin tree fern under the LED lights? Would the fern be fine on the…

robskrob
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2
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0 answers
Distance and spacing of LED growlights for propagation
I am planning to make an indoor propagation setup which consists of
h:30cm x w:40 x L:50cm recycled polystyrene boxes and full spectrum LED panels. Clearly, the biggest limitation is height in this case. I might join two boxes to double the height,…

usumdelphini
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