To have a Greenhouse in Sacramento California (zone 9)
The choices when I purchased
I purchased the Harbor Freight Tools 10 FT. x 12 FT. GREEN HOUSE WITH 4 VENTS $720 after reading the discussion on davesgarden.com because I wanted to install a greenhouse next to the house where it could benefit from the heat loss through the single pain windows. The discussion on davesgarden suggested that the gardener shouls add structural strength to the greenhouse. The additional cost would give you a $3,000 greenhouse for $1,000! This greenhouse manual states:
1. The greenhouse must be properly supported to help prevent property damage and injury in the event of strong winds or inclement weather.
2. "Decide on a location for the greenhouse. The location should be a level, well-lit area that is sheltered from the wind. door of the greenhouse should not open towards the prevailing wind, if possible.
I only needed 2 of the sides so I will install two of the 12 foot long walls on oneside a few inches apart. That should add to my insulation and cut heating cost in the winter !
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The choices when I purchased
http://www.windscreen.bigstep.com/ Shade Cover 63% , Shade Cover 80% , Shade Cover 95% , ,Fabric Vinyl Mesh , Fabric Nylon , So - Tuff
ACF
Greenhouses
380 Greenhouse Drive
Buffalo Junction, VA 24529
888-888-9050 - Toll Free 434-374-2055 -
Juliana Greenhouse 4mm
twinwall polycarbonate
7' 4" x 6' 6" x 6' 6" $816
Harbor Freight Tools 10 FT. x 12 FT. GREEN HOUSE WITH 4 VENTS
$720
Harbor Freight Tools 4 FT x 6 FT GREENHOUSE Two vent openings
$260
UV coated polycarbonate panels
Wallmart
(L x W x H): 96.0 x 72.0 x 86.0 poly sheeting $499
the wallmart and Sam's club seem to be the same, sams gives more details
Sam's Club Easy2Build Greenhouse - 6' x 8' 6mm polyethylene film $516.67
Shipping Included
The Greenhouse Catalog Early Bloomer Greenhouse Insulated, twin-wall 3.5mm Solexx™ XP panels size 8' x 8' x 6'3" $775
TekSupply Garden Starter Greenhouse comes complete with shelving Dimensions: 4'6"W x 6'3"H x 4'6"L plastic film $149