Illumination, required for photosynthesis.
2
votes
2answers
86 views
Will a warm white LED grow plants as well as a warm white CFL?
Could you tell me if a LED light rated 2700K will grow plants as well as a 2700K compact fluorescent?
2
votes
1answer
98 views
Glass vs plastic greenhouse covering: pros and cons
When building or buying a greenhouse, it seems to me that the material to use is one of the first concerns. The two options I'm trying to compare right now are glass and plastic films. The ...
6
votes
1answer
124 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 ...
3
votes
2answers
188 views
What is the best light spectrum for growing chili peppers?
Natural light is best for plants during all growth phases, but I'll be growing indoors, It's a good idea to have a basic understanding of the light spectrum and how it affects plant growth, in order ...
2
votes
3answers
91 views
How to soften water to water plants?
I am living in Tartu where the water is middle hard.
I think that it is partially the reason why some of my plants are dying.
I manage my plants by
watering once a week by room temperature, 20C, ...
3
votes
2answers
1k views
How much lighting do I need for growing lettuce using indoor hydroponics?
I am beginning to get into indoor hydroponics to grow lettuce, I haven't figured out which type of lettuce to grow yet, I am thinking of a butterhead. I have been to many hydroponics stores and seen ...
3
votes
2answers
156 views
Are there sources for what plants do require which uv light levels?
Tropical plants may require a higher UV level in the light, if not to grow, maybe to fruit. Are there studies / sources on that with actual quantities?
Bamboo suggested in her answer to look at this ...
3
votes
2answers
178 views
What kind of light is needed for moss and ferns?
I'm planning to set up a nano-vivarium to grow moss and ferns indoor like shown in the picture below.
My question is what kind of light is best or which lamps should I use? I don't have any ...
6
votes
1answer
54 views
Does it matter when I supplement light?
So i know my plants aren't getting enough light, my question is, does it make a difference if I turn on the light as soon as the direct sunlight goes away or if I do it when I get back from work (and ...
11
votes
4answers
1k views
What can I grow in a sealed office environment with no natural light or airflow?
Can ANY plant with green foliage survive in a sealed office environment with fluoroscent lighting from 8am to 5:30pm and air conditioning set at 20 C? For the remaining time, there is basically zero ...
5
votes
2answers
114 views
Is High-Intensity Discharge (HID) lighting better overall than Compact Fluoresent Lighting (CFL)?
For hydroponic horticulture are Metal Halide (MH) and High-Pressure Sodium (HPS) lights still the staple/better choice for growing indoors or do Compact Fluoresent lights (CFL) offer enough light ...
5
votes
1answer
712 views
Do seeds require light indoors to germinate?
In general, do most seeds require/do better with bright light when germinating indoors? I am trying to germinate a variety of seeds indoors (basil, chives, spinach, pepper) and am curious if no ...
5
votes
1answer
2k views
Can plants have too much light, or do they need night/rest?
Because we live in southern Canada, in the late fall, my mother likes to take as much of her garden indoors as she can fit, for the winter.
She usually brings in her potted palms, a few flowers, at ...
8
votes
1answer
229 views
Does controlling night-time light for house plants improve their health?
I keep a few dozen assorted plants under fluorescent lighting in my basement, because the light isn't very good at the windows. I have always left the light on day and night, but now that I think ...
9
votes
2answers
223 views
Is there a fruiting plant that can grow in an office environment?
In the office there is an abundance of fluorescent light and that's about it. The temperature stays around 70 ºF (21 ºC) I think.
Could I grow a fruiting plant in these conditions? I may be able to ...
6
votes
1answer
80 views
What products can I use to hang herbs under a fluorescent light?
I have a window-like opening between my kitchen sink and the adjacent room. On the ceiling of the opening is a fluorescent light, and ideally I'd like to set up a long rectangular hanging basket ...
8
votes
1answer
371 views
What light cycle should I use to grow herbs indoors?
I would like to have a small container herb garden indoors this winter, but I want to make sure my herbs do not try to flower. Currently, it's a couple of different basil plants and some rosemary, ...
5
votes
1answer
812 views
What is the effect of streetlights on plants?
This may be totally off the wall, but the sunflowers growing around my garden are bigger the nearer they are to the street light. I've seen documentaries with marijuana labs in California where they ...
18
votes
3answers
2k views
Can aloe grow be grown indoors with artificial light?
I came across a very beautiful aloe in a shop a few days ago, which I would like to plant in my office next to my computer. However, there is no natural light (sunlight) and only fluorescent light, ...
9
votes
2answers
280 views
What kind of a grow lamp can I use in my apartment?
Can anyone recommend a style of small-sized grow lamp that I can use inside my apartment to give my plants some extra light in the evening that won't cost a lot of money to run.
