Harbor Freight Greenhouse Evaluation

Back in the fall I took advantage of a sale at the discount retailer Harbor Freight and bought myself a greenhouse.  It was a small greenhouse at only 6'x8' in size which would be about 48 square feet of space.  I've always heard gardeners say that no matter what size greenhouse you have you will always need more space!  I figured before spending a bunch of money on greenhouses I should test small and inexpensive one to see how it goes then move up from there.  I primarily need to use the greenhouse in the early spring as a growing location for sprouted seeds that need to be moved from my seed starting shelves to clear space for more seedlings.


The construction of this greenhouse took me a while.  I was assembling it by myself and only working on comfortable days outdoors - and in the winter comfortable days can be rare!  I finished the construction part of the greenhouse this past weekend but I'm not completely finished yet.


Harbor Freight Greenhouse Review/Evaluation



First let me highlight the good points:


The not so good points:

My overall opinion:

For the money it's probably the best the greenhouse can be.  The design has flaws in my opinion as a DIY person.  Had I been building or designing the greenhouse I would have had a different method for attaching the panels. If the panels had been made so that the end tapered to a flange that could be inserted into a vertical support then screwed in it would have made a better seal and would have alleviated my concerns about the panels coming loose.

I attached mine to a 4'x4' base on top of cement blocks.  I haven't filled the blocks yet but plan to attach the 4'x4' base to several of the blocks.  I will also fill in the gaps around the cement blocks with soil to help insulate the lower part of the greenhouse.  I'm planning on using some spray foam insulation to fill in other gaps around the base then coming back to caulk windows and other gaps as needed.

I paid around $240 for the greenhouse but the actual cost of installing it was higher due to the 4'x4' base, cement blocks, caulking, spray foam insulation, and other future costs that will pop up.

My preference would have been to put up a hoop house but as we have an HOA I thought it might be best to put up a more formal hobby greenhouse.  Hoop houses can be a lot cheaper to put together and offer more square footage.  A timber framed greenhouse might also be an option.  Wood materials can be salvaged or bought cheaply and the plastic panels can be bought separately although this may ultimately be more expensive in the long run.

Have you bought a greenhouse for your garden?  What kind did you buy and what did you think of it?

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