/r/greenhouse

Photograph via snooOG

A sub dedicated to all things greenhouses.


The Greenhouse Reddit

Greenhouse - a structure with walls and roof made chiefly of transparent material, such as glass, in which plants requiring regulated climatic conditions are grown.[3] These structures range in size from small sheds to industrial-sized buildings. A miniature greenhouse is known as a cold frame. The interior of a greenhouse exposed to sunlight becomes significantly warmer than the external ambient temperature, protecting its contents in cold weather. Wikipedia: greenhouse


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/r/greenhouse

18,904 Subscribers

4

Gaht or climate battery or air geothermal in wet areas

As stated, short story, marshy low lying area. Stays mostly dry, working on building up for drainage. Near a creek as well. Most of these systems call for perforated pipe, but I think it would just fill with water. We live in an area that can get 75+ inches a year. So is there a way to do one of these systems in wet areas? Solid pipe sealed with a cleanout for condensation? Not planning on going very deep, 16" frost line. More along the lines of the gh in the snow, running about 600' of pipe 2-3' deep. More info in the link. Pipe will be under a future food forest...

0 Comments
2025/02/01
02:31 UTC

1

Another geothermal greenhouse build maybe

0 Comments
2025/01/29
19:18 UTC

5

NEW Costco greenhouse update

I’ve done the “prebuild” pieces (walls, rafters) but waiting on the weather to clear to put it up outside. Just wanted to update that the new 7x8 yardistry GH at Costco (not online at Costco or yardistry sites yet) is 9.5 ft tall! This is why I purchased it after putting up the original version a couple months ago. This is so much better for my citrus/mangoes with the height. Also has a big window that opens out on one side. In addition, the door can be placed on either the long side or the shorter side, so you get extra flexibility. Just an fyi.

2 Comments
2025/01/29
14:54 UTC

2

Looking for advice

Hello! I was hoping to get some suggestions on a green house build. I am building a 20x12 lean-to against a building with metal siding and have some questions.....

  • Is glass , double pane, the best option for sides and roofing?
  • I'm in zone 6a and would like to grow year round. Is it worth it to dig down 3.5 ft and have a concrete/brick foundation.
  • Would you recommend wood or metal framing?

Any other helpful tips would be appreciated.

3 Comments
2025/01/27
20:16 UTC

1

Greenhouse Flooring

Hi,

We have a greenhouse thats built on a single layer brick course, 2 bricks high.

inside the greenhouse its just mud, and some shingle from previous. Its about 5" from the mud to the top of the bricks. Can I just buy either 10mm or 20mm shingle and literally fill the greenhouse to the top of the brick coursework? Im worries that standing on it will shift around too much at that depth, but then theres nowhere for it to go as its contained?

Thanks

1 Comment
2025/01/27
06:59 UTC

2

Can I start seeds earlier with my greenhouse? Zone6a

1 Comment
2025/01/20
00:12 UTC

103

Latest orchid display

3 Comments
2025/01/19
16:12 UTC

0

Is anyone powering automatic roll-up sides with a solar panel and battery?

Hi, I would like to power automatic roll-up sides with a solar panel and battery. Is anyone doing this and what is your setup? Ideally I would like to have everything operate off of 24VDC as this is what the roll-up side motors take, however most controllers I've seen accept only 110VAC. My ideal situation would be wiring a 24VDC solar panel to a 24VDC battery which would then feed directly (without an inverter) into some kind of a controller capable of operating in stages (i.e., if ventilation was required, the roll-ups would operate a certain set amount of time and then pause for a certain set amount of time before re-evaluating the temperature; this way the roll-ups would not yo-yo up and down all the time). Or can someone talk me out of this setup? Maybe I should just setup a 48V solar system with an inverter that could then be used to power other equipment in the future?

1 Comment
2025/01/13
02:16 UTC

7

How would you go about turning this 9x6 screened porch into a greenhouse?

6 Comments
2025/01/04
16:58 UTC

13

Ugh help

Do you think they will be ok in that room for a week or so with no sunlight?

3 Comments
2024/12/31
23:26 UTC

3

Historic Greenhouses

Does anyone have good sources of information (books, articles, websites) on the history of greenhouses? I’d especially like to know about the period of home architecture where greenhouse additions were built into homes, and when they faded out.

Thank you!

3 Comments
2024/12/23
17:51 UTC

1

Greenhouse in the midwest for sub tropical dragon fruit? 😬

I live in the US plant hardiness zone 6a/6b. It usually will only dip into the low teens a few days each year but some years there is the random day or two that can dip into the -10f temps with wind chills. Lately winters have been pretty mild though, with temps in the 20s or 30s and it doesnt seem to snow much here compared to when I was a child.

I currently have 3 large trellised 20g pots with 6ft dragon fruit plants on castors in my heated garage. Dragon fruit grow best in temps ranging from 50f to 85f but can handle higher temps but might not flower/ set fruit in extreme heat, and they can handle temps in the low 40s but will die when temps approach freezing.

I want to get a greenhouse this spring, something around 12ftx8ft and will anchor it to my south facing concrete patio out back. Im looking at the 2 ply polycarbonate style greenhouses which should add an insulation factor since my winters can get pretty cold. Not sure yet if I will buy a greenhouse in a box or build my own framing and use 2 ply polycarb panels.

Im researching using black rain barrels filled with water for a thermal heat mass that will collect heat during the day and put out warmth during the night. Might add a heater or two to the barrel. If this doesnt keep the temps high enough I would look into other heating options.

Ive never had a greenhouse though and wonder if I should just use it to house the plants in the colder spring and fall seasons, bringing them out in the full sun durring the summer, or if I could/should grow them inside the greenhouse year round? In the dead of summer its usually mid 90s and humid here so wonder if it will get too hot to grow them in the greenhouse in summer?

I know probably noone here grows dragonfruit but also know you guys have greenhouse experience and dragonfruit growing should be similar to succulent plants or other fruit bearing sub tropical plants.

Any suggestions?

Thanks

2 Comments
2024/12/21
23:02 UTC

1

San Antonio Fiberglass Greenhouse Advice

1 Comment
2024/12/12
23:53 UTC

1

Student project

Hello, I'd like to ask you to help me with a project. I'm a master's student in entrepreneurship and I need your help to carry out an in-depth study for a group project. Could you help me by giving me some of your time and completing this questionnaire? We'd like to target people with a passion for gardening.

This link is a form for people with irrigation systems:

https://forms.gle/Dx6ZihCj8Cy5omCA6

This link is a form for people who don't have an irrigation system for watering their plants:

https://forms.gle/Sfuzvs8qDuPxx9YH7

2 Comments
2024/11/30
16:56 UTC

2

Progress Photo's - Re build of 100k Sq Ft Greenhouse (Addition to an Existing Greenhouse)

8 Comments
2024/11/29
21:15 UTC

1

Question for those that have their misting system connected to an "Inkbird Humidity Controller"

I have a crested gecko and its light are connected to an analog timer that switches them on/off. Will a misting system connected to the "Inkbird Humidity Controller" work the same way? When the Inkbird reads that the tanks humidity is below a certain level, will it turn on on the misting system?

0 Comments
2024/11/26
17:19 UTC

53

I put an inflatable hot tub in my 10x12 unheated greenhouse. It has opened up a world of possibilities-Any tropical-like plant suggestions?

Last year I put an inflatable tub in and moved all of my potted plants from he front porch in there before the first freeze. My thinking was that the plants (Impatience, salvia, vinca, fuchsia, geraniums, begonias, etc.) would survive a few weeks longer and I would get to enjoy the flowers for a few extra weeks.

What ended up happening was everything stayed in full bloom and when springtime came, they all got moved back to the front porch. This is Oregon so an impatient is an annual that might get a foot tall and foot wide by winter. Mine were as big as shrubs this year! One pot was at least four feet wide and three feet tall-all covered with flowers!!! That poor thing finally collapsed under its own weight.

Any suggestions for plants that would flourish under such conditions? The impatiens were amazing but collapsed. I'm wondering if there is something similar-lots of flowers, doesn't get huge, that would transition well from porch to greenhouse and back. (the greenhouse gets blazing hot in august so I have to move things out or they get melted-even with the doors open it is on a cement pad that gets reflected heat-so--a plant that can survive heat would also be helpful.

Also--by February I had a pretty bad aphid attack going. I didn't want to use pesticides. This year a pretty honking house spider was in one of the plants that got moved back in. It is huge and terrifying but I figured if it would eat aphids so I told it to go live over in the corner. It refuses to listen and is directly over the hot tub. Anyone ever winter over a spider like this? Will I need to get some fruit flies or something for it?

Sorry for all the questions. My greenhouse went from all spring use with seeds, emptied in the summer and winter to this tropical, year round, VERY moist growth space that is magical (it is in FULL bloom still) but has such a flip flop of environments (moist cold tropical to hot tropical to scorching dessert and back...) (I am going to try a greenhouse cover this august).

15 Comments
2024/11/24
19:02 UTC

4

Market Research for Plastic Alternatives

Hey guys. I'm at student at West Virginia University and I'm doing some market research to see what people's thoughts are on hemp plastic. If you could please take this for me so l can complete my final project🙏🏼💚

https://forms.gle/wYWvbLWCXXwQmk288

0 Comments
2024/11/23
06:21 UTC

10

Is glass worth it?

We're looking to get a greenhouse kit, hopefully 16x16 or even 20x16. We'd like it be a rather permanent fixture and last 20-30 years. Would it be worth opting for glass, or is polycarbonate good enough quality? We have very sunny summers and very cloudy octobers-aprils

22 Comments
2024/11/21
03:54 UTC

6

How long do these auto-closing oil canisters work? They've been in only three years, and don't seem to close anymore. (i've tried adjusting them a few times, no luck.)

1 Comment
2024/11/19
14:15 UTC

1

DIY roof ideas

So I have a garden shed in my yard & I have plans! I'm going to take an end wall out and frame in a small area (8x4 ish) that I'll be turning into a greenhouse. I have access to some old windows from a house demo - wood frames in ok condition, decent glass quality. I can frame it with 2x4's pretty easily.

I'm not sure what to do about the roof though. The windows were from a double hung installation so the frame is pretty substantial - if I use them the rain will collect in them which I suspect will lead them to rot in short order.

I don't really want to use the plastic corrugated stuff, but I'm not finding anything else suitable. Any ideas out there?

1 Comment
2024/11/12
22:23 UTC

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