A hotbed is like a mini greenhouse, designed to protect seedlings from the cold using internal heat. Unlike a cold frame, which relies solely on sunlight, a hotbed generates warmth from within. While modern versions may use electric soil-heating coils, traditional hotbeds harness the natural heat produced by decomposing animal manure. This article explains how to build and use a classic manure-heated hotbed to kick-start your garden early, even in chilly weather.
Build an Old-Fashioned Hotbed and Start Your Seeds in Style
