9/15/2026
A Plain Guide to a Backyard Greenhouse: What It Can and Can't Do
A greenhouse stretches your season and starts plants early, but it will not grow tropical food through a hard winter no matter how much you daydream about it. This plain guide covers the one big expectation to set right, siting for winter sun, the simple structure options, the ventilation that matters more than heating, and the honest winter reality of an unheated greenhouse.