Gardening & Landscaping Stack Exchange
Gardening & Landscaping Stack Exchange

Questions tagged [grow-lamp]

Use this tag with questions about grow lights and grow lamps in general. About how to choose, install and maintain them. For questions about LED lights use the [led] tag.

33 questions
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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 results and I'm trying to eliminate potential cause…
Grinch91
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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 energy in the stem though. I fear the leaves might…
David
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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 option while obtaining enough result. My plan is…
user3160302
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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 a grow light - I've been meaning to get one…
user21298
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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 a heat map they started to appear. It was at this…
Lee Alexander
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How much power does a daylight/plant light lamp need to have?

We have a spot in our flat where there is little light. It is around 3 m (9 feet) away from the nearest window, the window goes to the east. In winter there is no direct light. We would still like to have a small plant in this corner near on the…
Martin Ueding
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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 sufficient to keep the olive tree healthy over the…
Andre Lenotre
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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 ) Lumens comparison to HPS lamp I found that you need…
sanjihan
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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 shade and not a lot of natural light but how does…
anon
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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, that would be great, since I find commercial…
sanjihan
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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 generally tends to appear that way; mainly…
voices
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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 and the like). Will a 24W LED from ebay be…
sbrattla
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Grow lights for indoor houseplants in a low-light living room

I have several houseplants situated on shelves in my ground-floor living room. The light from the window is quite diffuse and doesn’t reach them well. Considering winter and generally bad weather, this side of the room is dark, and they hardly…
kettlepot
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How much artificial light should an avocado tree get?

I got 2 "young" grafted avocado trees 2-3 weeks ago. I have them indoors. From May I'd say, until September, the room gets some hours of sunlight but unfortunately when I got them it was the last week where the sun got. So I decided to get an…
M.K
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Is "legginess" due to distance from a grow lamp a real thing?

I'm starting Common Milkweed seeds indoors under an LED panel grow lamp, and I've found this tutorial to be a useful reference, and my seeds have just started to sprout. One thing it says is: If you’re using a grow light, make sure to lower the…
coneslayer
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