The 4 types of compost are hot, cold, vermicompost, and bokashi. Each one fits a different space and time budget. These composting methods range from a steamy 3-foot pile to a sealed bucket on your kitchen floor. Pick the one that matches your yard size and weekly free time.
I ran all four in a single year just to see which gave me the most usable crumb per hour spent. The hot pile in my back yard won by a clear mile. It paid back 6 cubic feet of finished compost for about 12 hours of total work over 8 weeks. The worm bin came in second, and bokashi served best for the gross stuff the others could not handle.
Hot composting runs the fastest. Aerobic bacteria heat the pile to 130-160°F (54-71°C) in a 3x3x3 ft (27 cubic feet) build. You turn the heap weekly and harvest dark crumb in 6-8 weeks. Hot composting kills weed seeds and root pathogens in the process, which makes the output safe for any bed in your yard.
Cold composting is the lazy path. Toss scraps and leaves in a pile and let cool-loving mesophilic microbes do the slow work. Cold composting finishes in about one full year with no turning. The pile never gets hot enough to kill seeds, so skip tough weeds and sick plants. This route fits the gardener with a big yard and zero free weekends.
Vermicomposting uses red wiggler worms to turn food scraps into rich black castings. Stack two plastic bins, drill air holes, and seed with 1 pound of worms. They eat half their body weight in scraps each day. You harvest castings every 3-4 months and the bin fits under a kitchen sink or in a closet. The output is the strongest plant food of all four types.
Bokashi ferments your scraps in a sealed bucket with bran soaked in beneficial microbes. It is the only method that handles meat, dairy, bones, and oily food without odor or pests. The bucket fills in 2-3 weeks and the pre-compost goes into a trench in your yard or into your hot pile to finish. From start to soil takes about 6 weeks total.
Pick your method by space, waste volume, and weekly time. An apartment dweller with a small kitchen wins with vermicompost or bokashi on the counter. A suburban yard with a weekly waste bin should run hot or cold piles depending on time budget. A homestead with acres of leaves should run a few hot piles in rotation.
Many home gardeners run two systems side by side. A hot pile for yard waste plus a worm bin for kitchen scraps covers every scrap your home makes. That combo gives you finished compost year round.
Read the full article: Garden Compost: Complete Home Guide
