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Can I Compost It?

Can I Compost? Yes/No Comments
Hair, human or animal Yes GREEN/NITROGEN but may be slow to degrade
Grass clippings Yes GREEN/NITROGEN may compact add with bulky items
Manure from herbivores (vegetarian)(e.g., horse or cow manure, rabbit droppings) Yes GREEN/NITROGEN, but do not use if animal is sick
Rotten fruit & vegetables Yes GREEN/NITROGEN may compact due to wetness, add with dry bulky brown/carbon items
Coffee grinds, including filter Yes GREEN/NITROGEN
Tea bags Yes GREEN/NITROGEN
Citrus, e.g. oranges, grapefruit, lemons, tangerines Yes GREEN/NITROGEN must cut in ½ or ¼ before composting. Mix with browns & add 6 inch layer of browns on top.
Leaves Yes BROWN/CARBON
Wood chips and pieces Yes BROWN/CARBON - a good source of bulky items.
Straw Yes BROWN/CARBON - a good source of bulky items.
Sawdust (from un-treated wood) Yes BROWN/CARBON very high in carbon.
Newspaper Yes BROWN/CARBON must shred it before composting
Landscape trimmings (cut to sizes less than 2") Yes BROWN/CARBON also a good source of bulky items.
Wet paper Yes BROWN/CARBON Break up into small pieces, or make a wet slurry and turn it (mix) into the compost
Paperboard, e.g. cereal boxes, paper plates, and napkins. Yes BROWN/CARBON Break up into small pieces, or make a wet slurry and turn it (mix) into the compost
Egg shells Yes Adds calcium
Banana Leaves No/Maybe Very tough to break down, must cut into small pieces to compost
Palm Fronds No/Maybe Very tough to break down, must cut into small pieces to compost, try drying first, then chipping.
Dog Waste No/Maybe Composting dog waste must be done with caution.
Animal by-products such as meat, chicken, lard, bones, cheese or milk products NO This type of kitchen waste can attract vermin.
Pet waste (not dog or bird), non-vegetarian animals NO Might contain diseases that could be transmitted to humans.
Mayonnaise, salad dressing or peanut butter NO Hard to degrade
Inorganic trash such as plastic, foil or metals. NO Will not break down in the compost process, instead recycle these materials
Chemicals such as pesticides, gasoline, diesel or oil. NO Potentially toxic to human health and the environment
Human waste NO Might contain diseases that could be transmitted to humans.

Yes! Compost It!

banana skins leather feathers
grains flour rice
stale bread grass clippings newsprint (b&w)
manures egg shells oatmeal
wood chips old seed packets flour
seaweed fish scraps (buried) straw and hay
powdered milk tobacco pine needles
stale cereal hair (human, animal) wood shavings
natural fibers (cotton, linen, wool) rock powder (greensand, granite dust) coffee grounds (with paper filter)
dead insects tea bags crop waste
cornmeal paper/cardboard flowers
bone meal seashells (crushed) peanut shells
cottonseed meal kitchen scraps yard waste
watermelon rind vacuum bag wastes potato peels
leaves sawdust (not treated) shredded hardwood
corncobs ground bones bird cage "stuff"
old potting soil/mix weeds (most, but not all) fruits & vegetables

Do Not Compost

meat grease, fat, oil dairy products
human waste unground bones used kitty litter
treated wood poultry non-organics
colored newsprint treated sawdust cat feces
heavily colored paper pressure treated wood plywood
particle board

Maybe Compost - Use your own Judgement

weed seedheads large woody brush wood ash
diseased plants fish waste (if buried deeply) dog feces

                 For more information on carbon dioxide and nitrogen ratios click here

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