Cold frames are season-extending covers constructed over vegetable beds to keep the frost off. Like a miniature, temporary greenhouse, they are employed in early spring to create a warm space for ...

First source your lid (or lids). An old window or even a shower door will work well. Then cut lengths of lumber to size to match your lid. You can choose how tall you’d like your cold frame to be, but ...

POP Projects is a collection of new and classic projects from more than a century of Popular Mechanics. Master skills, get tool recommendations, and, most importantly, build something of your very own ...

Clasp two window-well covers together for an easy-to-assemble, inexpensive cold frame design. Utilize any of these eight cold frame plans this winter for building cold frames in your garden. Repurpose ...

Cold frame gardening is an effective strategy to extend your growing season. Whether you want to protect your plants from fall frosts or seedlings from spring cold snaps, these boxes are easy and ...