Questions tagged [grow-lamp]

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Is a grow light sufficient for an indoor olive tree over the winter?

I have two small olive trees which I would like to grow indoors. Olive trees need a lot of light. Winter is coming and it will be fairly dark here, especially indoors. Will an ordinary grow light be ...
2
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0answers
31 views

Best wavelength mix for an indoor LED grow light

I want to grow basil. A lot of it. Unfortunately the winter is coming, and my plants won't be able to survive outdoors. Beeing an electronics engineer, i decided to DIY an indoor growbox, so that in ...
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1answer
35 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 ...
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0answers
23 views

Single or multiple points of light for growing?

Is is better to provide light to a growing plant from less point of light to emulate sunlight or more points lights to simulate a cloudy day?
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0answers
23 views

How would a plant grow with light from the stem?

Using Grow LEDs to emit light from the pot and stem of a plant or tree onto the leaves how would that plant grow opposite to normal sun light?
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0answers
53 views

Why are “naked” LED lamps so deadly?

Several months ago, I made the following experiment: Make a plant grow inside of a box with artifical lighting. I bought this lamp (15W): And removed the white sphere from it, so it got like: ...
3
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2answers
74 views

How much sunlight is required to grow a coffee plant indoors?

I’m trying to grow some coffee plants inside and I have no good place where they get all their needs so I want to start with a blank slate and control everything myself. I know coffee plants like ...
2
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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
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0answers
13 views

Instead of using 54W 6500K T5's, can I use 54W 5000K T5's?

I want to buy some T5's for indoor planting. The specifications I found until now are 54W and 6500K. In a nearby shop, I found 54W with 5000K. I've been reading this and there is the following graphic:...
5
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2answers
83 views

What kind of grow lights do I need for a butternut squash?

I just potted a butternut squash seedling. The way my patio is situated, it doesn't always get a lot of sunlight - and I think butternut squash requires ~6 hours of it. I was going to go ahead and get ...
2
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2answers
63 views

How many grow lights do I need for starting tomato seeds?

Should I just buy a 48" shop light? I have two 10 x 20 flats. I've never done seeds indoors. I have about 6 weeks until our last frost date, May 15 in Chicago. I already started the seeds on a heat ...
5
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3answers
135 views

Trying to grow Chillis with a LED Grow Lamp

I started with some chilli seeds of varying types planted in some Gro-Sure Seed & Cutting compost (https://www.gardenhealth.com/product/grosure-seed-cutting-compost). After a few weeks sitting on ...
1
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1answer
67 views

Is 60w LED enough light for 0.25m2?

I started tomato, pepper and melon plants indoors a couple of weeks ago (start February). The plants will eventually go out in a greenhouse, but probably not until May. Will 2 x 30W (2100-2400 lumens) ...
4
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1answer
68 views

What is more important: lumens or PAR value?

Grow Lamp manufacturers provide several pieces of information about their product: PAR (Photosynthetic Active Radiation measured in W/m2) Photosynthetic Photon flux density (measured in µmol/s ) ...
3
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1answer
52 views

deciphering growing lights specifics

What spectrum and strength of light are best suited for indoor tomato and pepper growing? I have around 2,5m2 of surface. The room walls will be coated with mylar. If you can be product specific, ...
6
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2answers
495 views

Importance of night in hydroponics?

So I've been experimenting for the last few months with hydroponics, the general goal is to have an entirely automated system. For the most part I have this in place but I'm not too happy with the ...
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0answers
27 views

Growing Lamps for Indoor Growing [duplicate]

Ikea has a brand of hydroponic start kits called vaxer. Part of their offering consists of lamps that aid in the cultivation of the plants (example1, example2 and example3). There are other companies ...
3
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2answers
2k views

Does moss require darkness when grown indoors?

People always say that moss prefers to grow in (moist) dark, dappled, shady, or otherwise low-light conditions. Strictly speaking, I don't believe that's the case. I think in a natural environment it ...
0
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0answers
32 views

Does moss require darkness? [duplicate]

Everybody knows that plants need light for photosynthesis, to grow and remain healthy; but do they require (or benefit from) sleep/darkness; or can they be bathed in light 24/7? I'm not talking about ...
7
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1answer
194 views

Do mulberry hardwood cuttings (breaking buds) enjoy light?

I took a hardwood mulberry cutting this winter. It's inside under a skylight and has grown some buds which (as well as already present buds) are now breaking into leaves. It might be just saved up ...
3
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3answers
79 views

Will a 24W grow LED be sufficient for a 50cm x 15cm windowsill greenhouse?

I've got a few 50cm x 15cm windowsill greenhouses. As sunlight at this time of year is sparse here in northern Europe, I'd like to provide a little more light to my plants (primarily tomatoes, peppers ...
6
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2answers
662 views

What should I consider while building a grow-light system?

I will build a grow light system from LED lights for a 1m x 2m square area. I am planning to grow 6 plants (vegetables) in that area. I am a little tight in terms of budget. So I want to find cheapest ...
2
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1answer
73 views

Artificial Lighting for Growing Seedlings

I'm attempting to grow Curcubits and Nightshades (for eating) indoors (in the middle of winter). I recently acquired a (Red/Blue LED 120 watt) grow lamp - but my calculations are that it will eat a ...