Questions tagged [greenhouse]

Glass building to shelter and heat plants

A greenhouse is a glass-walled building intended to shelter and provide a warm environment for plants. They are typically used in cooler climates. The glass allows the building to absorb the maximum amount of sunlight available, but restrict heat loss (roof sections typically allow ventilation and some heat control). Some greenhouses also have their own heating.

Use this tag for questions about greenhouses themselves, and growing in a greenhouse environment.

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Should I inflate my double walled poly greenhouse in the summer?

I have a 20'x40' greenhouse in North Carolina. I have a double layer of clear poly greenhouse plastic that I keep inflated with a blower fan, which I installed with the understanding that its primary purpose was keeping things warm inside during the…
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Are these aphids that I've found in my indoor greenhouse and trying to figure out what this caterpillar like creature is?

So I've started up a little indoor herb garden/green house about a month and a half ago.I should preface by saying I'm relatively new to the gardening game. I've basically just used some greenhouse plastic to enclose an area under my staircase and…
novawaly
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No sun in apartment, options for seedlings/propagation?

I have roof apartment with northfacing windows and southfacing terrace. Unfortunatley, there is no windowstill on the windows, and roof angle means that any particular spot on the floor has direct sunlight only about 2-3 hours a day. Trying to come…
Xevus79
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Greenhouses and bees

It would seem that bees around the world are in trouble, partly as a result of what appears to be the widespread use of pesticides in agriculture. If greenhouses naturally inhibit the spread of garden or agricultural pests to the extent where less…
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Poppy seedlings - dried out or saveable?

I'm growing some poppies for the first time and they were doing okay until we had a snow storm. Then I noticed they were wilted/dried out. I did some research into the waterbottle greenhouse and they seem to be doing better. They are pushed down a…
Jillian
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First time gardener looking for a critique of my 2020 plan and answers to a several questions that came up in the process!

Greeting earth whisperers, It's that time of the year again where I plan to start a garden, but never get around it and say "next year, for sure!" Except this time, I want to actually follow through with it. I don't like starting small and try to be…
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rainwater tank freezing damage

I am thinking of placing a 1000L rainwater tank in greenhouse to prevent temperatures inside greenhouse from dropping below 0°C(32°F). The tank is from PE-HD plastic. I am not able to assess how likely it is that the frezzing water damages the tank.…
sanjihan
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Cold frame for starting seedlings

I live in Sacramento, CA (zone 9b). Winters are mild. Dec/Jan average temps range from 55F - 40F during day/night. However, depending on year, we can get some frost from mid Dec - mid Jan. I would like to start seedlings (marigolds, zinnias,…
user4979733
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Do plants germinated in heated bed need special care after emergence?

I am planning to start some seed indoors for next spring season. Since the weather is still a bit cold, I am going to be using a heated bed (actually it's a styrofoam box with some sensors and a heat element to control the temperature quite…
csamx
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Small greenhouse humidity maintenance

I have a 10x25 foot greenhouse and I am looking for a way to keep the humidity level up in the space. I tried a second hand humidifier but it doesn't seem to be working very well. I want to try using a Mr. Mister shower head humidifier, but keeping…
user3561494
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Is there any Tyvac like moisture permeable greenhouse film available?

I don't know if this is the right forum to ask this but this seemed most related. So is there a breathable (allows moisture escape but doesn't allow water, CO2 or air to pass through) fabric-film available to use as greenhouse cover? Humidity is…
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Spearmint Yield

would any of you know approximately how much spearmint I could get per plant? I am looking to buy a four tier greenhouse and fill it up completely with spearmint so I am not exactly sure how much the yield would be.
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DIY Humidity dome for growing microgreens

I am designing a humidity dome for growing microgreens, but need help with deciding on the material and design specifics. I'd basically like to replicate the following product using wire and polyethylene film used for greenhouses. here is a humidity…
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How long do chilli seeds need to be at 25°C to germinate?

I’m able to economically maintain my greenhouse at 25°C for about 4 hours during the day. Generally speaking, is this enough for optimal germination of chilli seeds? Or, do you need to have prolonged periods of keeping the greenhouse at such a…
Nick Bolton
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Fastest Grown Lettuce

I was wondering if there was a "world record" of the fastest fully grown Lettuce and how fast it grew, is there a record for it? or just how fast would it in theory be?