Questions tagged [led]

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40 views

How to make Grow Light with LED?

I made a LED setup with blue and red LED that is supposed to help me with indoor planting. I used total 4 LEDs (2 Red and 2 Blue) for one pot of Portolaca flowers. But I think it is not simulating the ...
2
votes
0answers
39 views

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 ...
2
votes
0answers
32 views

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 ...
1
vote
1answer
58 views

Baby Chillies die when I put them under LED

I live in the UK and have been growing some Carolina Reapers from seed using Hydroponics..It's been going pretty well and I have some small plants and larger ones. Here is a larger one sitting on my ...
4
votes
2answers
407 views

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 ...
1
vote
1answer
52 views

Do plants react differently to artificial light than to sunlight?

Sun light is 5700Kelvin and up to 100 000 lumens per square meter. If I was to use Halogen or LED light's with similar properties would plants (sunflowers in particular) know the difference?
5
votes
2answers
563 views

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 ...
2
votes
0answers
34 views

Lettuce - DLI recommendation day 1-14 with full spectrum led

Im looking for a recommendation of the DLI for lettuce in a hydro setup for the first 14 days using a full spectrum led i would figure it at 8 -12 mol/m2/day what do you think? greets
4
votes
0answers
105 views

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 ...
8
votes
3answers
132 views

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 ...
9
votes
1answer
970 views

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 ...
31
votes
7answers
162k views

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 ...