Greenhouse

M

Max8Max9

Active Member
How do greenhouses work? Do they work well during winter? Does anyone have a good website that tells you how to grow a greenhouse?
 
E

edschneed

Member
i'm getting started. need the electrician to install a 30 amp temp. i've insulated the sides with fiberglas and mylar bubblewrap and will install a 1/4" plexiglas roof. greenhouse is 8'X24'. 30K BTU propane heater and 25 gal. pots. i've been outdoors all my life so this is somewhat new tech to me. any help is appreciated.
 
KatBUSA

KatBUSA

Well-Known Member
Greenhouses are nice. From my experience you have to have the ventilation down to a T. If not then you will either cook or sicken your plants. Some of the best greenhouses I have seen that are winter friendly are poly plastic with sides that roll up for the warm months but can be secured air tight via wire locks for the winter. The roof opens up for venting so the heat goes out the top and pulls in fresh air from the sides. Greenhouses can be very winter friendly depending on how you build it. If your way north then polyethylene plastic might not cut it and you might have to look into double or triple walled poly-carbonate. The biggest thing for the winter is keeping the temp and humidity at a stable level to where it does not swing. Some people use 55gal drums full of water for solar heating but the most common are propane, electric and wood stove heaters. Greenhouses have a big learning curve and the science behind it can be complex but if you take the time to learn and use the correct covering's and materials they can last for years. BTW polyethylene plastic has a rated life of around 3 to 5 years to when it needs to be replaced. Polycarb has a life of 5+ years. Polycarb is expensive as hell to replace and I only use polyethylene plastic on the roof and side walls of the house. Just wanted to give you a heads up about the glazing and how expensive they can be. I didn't tell you this so shh but some of the coverings can go way past their life and still be effective but light transparency degrades a good bit over time.


The best thing you should do is go to lowes and buy a good fat book on greenhouses. You will get the easy run down on the basic building and science behind greenhouses. The more you know how they work exp with air flow the more successful you will be.
 
cwgrow

cwgrow

Member
in the summer time controlling the heat so your plant keep growing i have found that if you use swamp coolers low cost i made 4 out of a 5 gal bucket and
i live in the south so it gets hot it can be 95 outside and 75 to 85 inside
 
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