A List of Items to Avoid in Your Backyard Compost Pile
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en Español
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Please do NOT Compost these items:
- Meat, bones, fish (produce odors and attract animals)
- Milk products, such as butter, milk, yogurt, sour cream (produce odors and attract animals)
- Eggs, grease, oils, lard (produce odors and attract animals)
- Pet and human feces, dirty diapers, tampons, personal care products (may contain pathogens harmful to humans and plants)
- Plant material treated w/ herbicides/pesticides
- Pressure-treated lumber (has toxic chemicals)
- Lime (can cause ammonia gas releases)
- Diseased plants and leaves (could cause disease to spread when compost is applied)
- Persistent weeds (bermuda grass, alligator weed, dock weed, kudzu, ivy, dandelions)
- Black walnut tree leaves or twigs (contains juglone, a natural aromatic compound toxic to some plants)
- Heavily coated paper such as magazines, catalogs, wrapping paper, greeting cards with metallic inks
- Dryer sheets made of polyester covered in chemicals
- Pine needles (high in acid and resin; hard to compost)
- Wood ash (too alkaline; can slow composting process and release ammonia)
- Charcoal ash or coal (may contain substances harmful to plants)
- Used facial or toilet tissue (may contain pathogens)