Home Composting Guide: Turn Kitchen Scraps Into Garden Gold

Home Composting Guide: Turn Kitchen Scraps Into Garden Gold

Composting is the single most powerful thing you can do for your garden. Finished compost improves soil structure, feeds plants slowly, supports beneficial microbes, and reduces what goes to landfill. These guides take you from total beginner to confident composter.

Getting Started with Composting

Advanced Composting Methods

Using Compost in Your Garden

Frequently Asked Questions About Composting

How long does it take to make compost?

Hot composting (actively managed) produces finished compost in 4 to 8 weeks. Cold composting (passive pile) takes 6 to 12 months. Worm bins produce usable vermicompost in 2 to 3 months. Turning the pile every 3 to 5 days, keeping it moist, and balancing greens to browns speeds up the process significantly.

What can you not put in compost?

Avoid meat, fish, dairy, oils, and cooked food (attract pests). Don’t add diseased plants, pet waste, or anything treated with pesticides. Citrus, onions, and bread can be composted in small amounts. Weeds with seeds and invasive plants are best disposed of elsewhere to avoid spreading them through finished compost.

What is the best ratio of greens to browns in compost?

Aim for 2 to 3 parts browns (dry leaves, cardboard, straw, wood chips) to 1 part greens (kitchen scraps, fresh grass, plant trimmings). Too many greens makes the pile smell and get slimy. Too many browns makes it dry out and slow down. When in doubt, add more browns — it’s easier to fix a dry pile than a wet smelly one.

How do I know when compost is ready to use?

Finished compost looks dark brown, crumbles easily, and smells earthy — like forest soil after rain. You shouldn’t be able to recognize the original materials. If it still looks like rotting food or smells bad, it needs more time. A good test: put a handful in a sealed bag for 3 days — no bad smell means it’s ready.

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