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Composting Basics- Greens vs Browns
Greens = nitrogen
Browns = carbon
A healthy, sweet-smelling compost pile typically thrives at about 2 parts browns to 1 part greens.
Hereβs a simple list:
GREENS (Nitrogen-Rich Materials)
Moist, soft, quick to break down. They heat the pile and feed the microbes.
Kitchen Scraps
Fruit peels
Vegetable scraps
Coffee grounds
Tea bags (without staples, and check that bag is compostable)
Fresh herbs
Eggshells (crushed)
Yard & Garden Greens
Fresh grass clippings
Fresh garden trimmings
Coffee grounds
Green leaves
Spent flowers
Weeds (before they go to seed)
Animal & Misc.
Manure from herbivores (chickens, rabbits, cows, goats, horses)
Alfalfa or fresh hay
Seaweed & kelp
BROWNS (Carbon-Rich Materials)
Dry, woody, papery. They add structure, prevent odor, and allow airflow.
Yard & Garden Browns
Dry leaves
Straw
Dried hay
Pine needles
Wood chips
Sawdust (untreated wood only)
Small branches/twigs
Household Paper Goods
Dry leaves
Shredded newspaper
Paper towels (unbleached)
Toilet paper tubes
Cardboard (shredded or torn into small pieces)
Paper bags
Other Carbon Sources
Coffee filters
Natural fiber dryer lint (cotton/wool, not synthetics)
Natural cork
Dead houseplants
Old potting soil
Items to Avoid
These can disrupt the pile, attract pests, or introduce toxins:
Meat, fish, dairy
Greasy/oily foods
Plastics, stickers on produce
Diseased plants
Pet waste (dogs/cats)
Glossy or coated paper
Synthetic dryer lint
Large branches or treated wood
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