You would be amazed at all the things that you can compost. For garden products such as composters, visit Tastefully Green.
Here is a list of 163 things that you can compost courtesy of www.plantea.com (This is a great list to print off and put on the refrigerator) :
Paper napkins, Freezer-burned vegetables, Burlap coffee bags, Pet hair ,Potash rock, Post-it notes, Freezer-burned fruit, Wood chips, Bee droppings, Lint from behind refrigerator, Hay, Popcorn (unpopped, ‘Old Maids,’ too), Freezer-burned fish Old spices, Pine needles, Leaves, Matches (paper or wood), Seaweed and kelp, Hops, Chicken manure, Leather dust, Old dried up and faded herbs, Bird cage cleanings, Paper towels, Brewery wastes, Grass clippings, Hoof and horn meal, Molasses residue, Potato peelings, Unpaid bills, Gin trash (wastes from cotton plants), Weeds, Rabbit manure, Hair clippings from the barber, Stale bread, Coffee grounds, Wood ashes, Sawdust, Tea bags and grounds, Shredded newspapers, Egg shells, Cow manure, Alfalfa, Winter rye, Grapefruit rinds, Pea vines, Houseplant trimmings, Old pasta, Grape wastes, Garden soil, Powdered/ground phosphate rock, Corncobs (takes a long time to decompose), Jell-o (gelatin), Blood meal, Winery wastes, Spanish moss, Limestone, Fish meal, Aquarium plants, Beet wastes, Sunday comics, Harbor mud, Felt waste, Wheat straw, Peat moss, Kleenex tissues, Milk (in small amounts), Soy milk, Tree bark, Starfish (dead ones!), Melted ice cream, Flower petals, Pumpkin seeds, Q-tips (cotton swabs: cardboard, not plastic sticks), Expired flower arrangements, Elmer’s glue ,BBQ’d fish skin, Bone meal, Citrus wastes, Stale potato chips, Rhubarb stems, Old leather gardening gloves, Tobacco wastes, Bird guano, Hog manure, Dried jellyfish, Wheat bran, Guinea pig cage cleanings, Nut shells, Cattail reeds, Clover, Granite dust, Moldy cheese, Greensand, Straw, Shredded cardboard, Dolomite lime, Cover crops, Quail eggs (OK, I needed a ‘Q’ word), Rapeseed meal, Bat guano, Fish scraps, Tea bags (black and herbal), Apple cores, Electric razor trimmings, Kitchen wastes, Outdated yogurt, Toenail clippings, Shrimp shells, Crab shells, Lobster shells, Pie crust, Leather wallets, Onion skins, Bagasse (sugar cane residue), Watermelon rinds, Date pits, Goat manure, Olive pits, Peanut shells, Burned oatmeal (sorry, Mom), Lint from clothes dryer, Bread crusts, Cooked rice, River mut, Tofu (it’s only soybeans, man!), Wine gone bad (what a waste!), Banana peels, Fingernail and toenail clippings, Chocolate cookies, Wooden toothpicks, Moss from last year’s hanging baskets, Stale breakfast cereal, Pickles, ‘Dust bunnies’ from under the bed, Pencil shavings, Wool socks, Artichoke leaves, Leather watch bands, Fruit salad, Tossed salad (now THERE’s tossing it!), Brown paper bags, Soggy Cheerios, Theater tickets, Lees from making wine, Burned toast, Feathers, Animal fur, Horse manure, Vacuum cleaner bag contents, Coconut hull fiber, Old or outdated seeds, Macaroni and cheese, Liquid from canned vegetables, Liquid from canned fruit, Old beer, Wedding bouquets, Greeting card envelopes, Snow, Dead bees and flies, Horse hair, Peanut butter sandwiches, Dirt from soles of shoes and boots, Fish bones, Ivory soap scraps, Spoiled canned fruits and vegetables, Produce trimmings from grocery store, Cardboard cereal boxes (shredded), Grocery receipts, and Urine (It’s true! Read the letters below)