Ask a Question forum: Greenhouse Help

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Name: Jared Nicholes
Nampa, Idaho
Jan 1, 2017 10:26 PM CST
Hi Everyone.

So I have a question for everyone here. I am in Zone 6 and I am thinking about next spring building a greenhouse in my backyard and turning the inside to what I call a tropical paradise. I am planning on inside the greenhouse being the perfect conditions for tropical plant growing. I am also trying to get ideas on what tropical plants to grow. My main plants I want to grow in a greenhouse are Nepenthes Miranda, Bananas, Pineapple, Citrus, and Theobroma Cacao. Because of this, I have many questions concerning greenhouses:

First, How would I control humidity and heat in the greenhouse year round? I am planning on making it like Zone 10 in there.

Second, Does there need to be vents in the greenhouse?

Third, how do I do lighting? That is probably a stupid question because sun light will go in the greenhouse.

Fourth, is there anything else I need to know about greenhouses?

Any help will be greatly appreciated.


PS. I am going to try to grow Theobroma Cacao in this greenhouse. Its not a joke.
Name: Anna Z.
Monroe, WI
Charter ATP Member Greenhouse Cat Lover Raises cows Region: Wisconsin
Jan 1, 2017 10:39 PM CST
I would think you could put your plants outside in the summer?? I'm zone 4.........."they" say it's 4B, but I don't like to push it and keep it 4A. LOL All my tropicals live outside in the summer.

I have a large greenhouse that I overwinter large tropical plants in for other people. I do no selling of plants. In fact, my chalice vine has 4 blooms open now.

I have polycarbonate paneling on the south roof and south wall. Heat is provided by a 125,000 BTU LP heater. I keep the thermostat set at 58. I also have a large vent fan that I keep set at about 85 in the winter.

If there is anything else you'd like to know, please ask.
Name: Jared Nicholes
Nampa, Idaho
Jan 1, 2017 10:56 PM CST

Thanks for the quick reply. I really appreciate it.

It never occurred to me to put them out in the summer, I just thought conditions weren't that good indoors for these plants, so I wanted to make suitable conditions for these plants to thrive year round. I also wanted to try growing Cacao. I think I will take your advice and put plants out in the summer and greenhouse them in winter. Thanks!

There are other things I need to know, I just got to remember them.

Name: Cheryl
Texas (Zone 9a)
Region: Texas Greenhouse Plant Identifier Plant Lover: Loves 'em all! Plumerias Ponds
Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level Garden Sages Million Pollinator Garden Challenge
Jan 1, 2017 11:17 PM CST
Hi Jared. Please join us at the Greenhouse forum. A lot of your questions may be answered there.

Currently my greenhouse is exactly as you describe. All my outdoor tropical plants are now in their winter home. They are outside the other 9 months of the year. It stays heated and watered and the humidity stays up. But of course, we are a lot warmer in Zone 9a. But it is possible. I have a banana and a pineapple and as far as I can see, they don't even know they've been moved.

I have a Harbor Freight Greenhouse because low cost was important to me. The folks on the Greenhouses Forum were instrumental in helping me build it. Several of us used a Greenhouse Blog mentioned in the following thread to help enhance the basic Harbor Freight Greenhouse. One put in extra supports for snow that might interest you, a rocket mass heater, and changed out the doors. See you over there!
The thread "Harbor Freight Greenhouse projects" in Greenhouses forum
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