Greenhouse Growing Calendar: How to Build One That Fits Your Location
The same sowing date means different things in Georgia and Manitoba. Two locally determined anchors turn a generic schedule into one that is actually right for your site.
The same sowing date means different things in Georgia and Manitoba. Two locally determined anchors turn a generic schedule into one that is actually right for your site.
Everyone repeats the 200 square foot rule. It comes from a code section that cities amend constantly, and it clears the building permit while leaving zoning, utilities and your HOA untouched.
Most comparisons of these two materials are written for the British market, where glass is the default and the prices are close. In North America the entry point for glass is around eight thousand dollars, which changes the question.
Thickness is sold as an insulation upgrade, and the insulation gain across the whole hobby range is smaller than you would guess. What you are really buying is structure.
The rating on the spec sheet is a metric conversion with conditions attached, and it is not the number your local building code compares against. Here is how to translate it into snow you will actually get.
The 25 lbs snow rating and lifetime frame warranty are real separation from the mid-tier. The 8-foot minimum width and curbside freight delivery rule it out for a lot of yards.
Four of the six popular options at this price publish no snow load and no wind rating at all. That absence, not the brand name, is what separates a year-round greenhouse from a season extender.
A solid mid-tier hobby greenhouse with two things the product listings bury: a snow rating that rules it out for a lot of northern buyers, and a required anchoring kit that does not come in the box.