Some friends just built a new garage, and put an attached greenhouse on the westerly side. It's about 8 feet wide and 24 long. They already are picking salad vegetables, and will have potatoes by Mother's Day. I believe they do use a small electric heater at night to keep things from freezing, but everything is also grown on a bench rather than on the ground; and it's built on a slab so they aren't getting any heat from the ground.
Should I build a greenhouse?
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MossRoad
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That is exactly what my wife and I are doing. Neighbor gave us a portable car shelter frame after his cloth cover rotted out.
However, we are going to use it for like others have said... early spring start, later fall harvest, and keeping the rabbits and woodchucks at bay. I don't think it would withstand a snow load in winter.
I plan on pulling the top/side covers annually.
Here's the start we got on it last weekend.
I pulled the sides in to make it 8' wide and more vertical of side walls. And I removed some length between the arches to make it 14' long. It was cheaper for me to purchase a wood screen door for $34 than build one. I framed the ends to make it more rigid, and I installed metal channel and wiggle wire to hold the plastic. It's 6 mil greenhouse plastic.
Before I install the top and sides, I'm going to dig holes under each corner and add a few bags of cement and some rebar to hold it down. The wind load will be pretty good. I'm also going to lay a wall of concrete blocks around the walls to help deter the woodchucks, as well as lay some chicken wire around the outside edges on the ground to deter digging.
We're putting 1/2 x 1/2" hardware cloth around the bottom 3' of the whole thing, door included.
I have some flexible clear vinyl cloth like you'd see in Jeep convertible windows that I'm going to stick on the inside of the door with magnets to allow for ventilation or closed up. Same thing on the vent on the other end.
The bottom 2' on the sides will be able to be rolled up in warm weather, and the hardware cloth will keep the critters out.
One thing I do wonder about is pollination. I think bees can get through the hardware cloth, but I might end up having to hand-pollinate. Still have to read up on that.
(click to enlarge)
I'll be interested in your project.
What will you be raising? Many cucumbers are self pollinating. Tomatoes are easily done with a Q-tip, as you indicated.
MossRoad
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Tomatoes and cukes. I've done the tomatoes by hand in the past when we had no bees.
Probably salad greens, and some carrots. And some flowers for the wife.
Pretty much whatever we feel like.
Gonna go back to Mel Bartholomew's Square Foot Gardening methods. Very productive in a small space. I bought is first book after I watched his show probably 30 years ago.
Square Foot Gardening Foundation
Learn about the Square Foot Gardening Method created by Mel Bartholomew. Find tips and resources, locate a Certified Instructor, and read our newsletter.
squarefootgardening.org
I have a two acre field. The first garden I planted on July 4, 2002 did great. There were 30 foot tall gray birch trees growing in the morning. I attacked a spot with my chainsaw, dug the stumps with my little backhoe, and by the end of the day had planted carrots, corn, tomatoes and a few other items. It did great. Over time I expanded and in 2009 had the entire 2 acre field reclaimed. Yet it seems like every year I am dismally disappointed.Tomatoes and cukes. I've done the tomatoes by hand in the past when we had no bees.
Probably salad greens, and some carrots. And some flowers for the wife.
Pretty much whatever we feel like.
Gonna go back to Mel Bartholomew's Square Foot Gardening methods. Very productive in a small space. I bought is first book after I watched his show probably 30 years ago.
Square Foot Gardening Foundation
Learn about the Square Foot Gardening Method created by Mel Bartholomew. Find tips and resources, locate a Certified Instructor, and read our newsletter.
I am going back to raised beds, so that I can control the soil better. I started two years ago, raising some of my root crops in soil which I had "cooked" in my father's old soil sterilizer... raising it to 160 degrees F to kill all of the weeds. I also cook pig manure before using it... no need to risk trichinosis another disease.
The snow is melting fast right now. Last fall I planted onions and garlic in one of my smaller beds. Yesterday it was still under snow... I was up there just now and there are green garlic tops sticking up an inch or so. Or maybe it's onions, I don't recall what I planted where.
There's a method of raised beds where you line the bottom with logs, then gradually build it up. That's what I am going to do, although it will probably be slabs lining the bottom. That's what is nice about having a bandsaw, it's better than going to the lumber yard.
Eaglesfate
Bronze Member
A lot to think about, I have always heard the green house should be laid out West to East for the greatest sun exposure over the day. If I had the ground I would go with a in ground green house similar to the Green house in the snow.
^^^^ That's what I meant when I referred to a pit greenhouse, although I didn't realize how well they worked.
My father would have loved this video. I think I miss him more after watching it than I ever have.
Alzheimer's sucks.
My father would have loved this video. I think I miss him more after watching it than I ever have.
Alzheimer's sucks.
Jchonline
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Add fans at each end one intake one exhaust to help with heat dissipation.
I would be more concerned about the winter. Are you going to keep it heated?
newbury
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Have you looked into "cattle panel greenhouse"?
google link
I just bought 5 panels (16'x4'2") from TSC for ~$175. Plan on building this summer for fall & winter. That with about a 20'x16'x6mil roll of "greenhouse" plastic (~$30) builds a minimal greenhouse.
Note in many places TSC only stocks the cattle panels in the spring.
google link
I just bought 5 panels (16'x4'2") from TSC for ~$175. Plan on building this summer for fall & winter. That with about a 20'x16'x6mil roll of "greenhouse" plastic (~$30) builds a minimal greenhouse.
Note in many places TSC only stocks the cattle panels in the spring.
That's an interesting idea. You probably can achieve the same thing with concrete wire mesh.
One easy way to keep it from collapsing from snow weight is to have poles of some type supporting the ridge line. There are times when you won't be able to clear it right off.
My father once had a 96 foot greenhouse with a fiberglass covering which he did this for every year. One snowy morning that was going to be his project, but it came down before he had a chance to do that. I don't recall what he did to replace the space that year, but suspect there was some scrambling once the snow melted in spring.
