As stated, a simple solution for keeping pests out of your garden involves building your own clamshell mesh cover by cutting ¾ or ½-inch PVC pipes into pieces long enough to stretch over your bed.

This build, from Instructables user SpecificLove, uses 1/2-inch PVC pipe and fittings to build a cube that stands on its own. Once you drill some holes into the piping and connect your hose to the ...