100% cotton balls

100% cotton swabs

acorn

acorns

agave

alcohol

alcoholic drinks

alfalfa sprouts

almond shell

animal bedding

animal hair

apple

apple cores

apple skin

apricot pit

artichoke

arugula

ash

ash from natural lump charcoal

ash from wood

asparagus

aubergine

avocado

avocado pits

avocado skin

azuki beans

bacon

bacon grease

bag

baking soda

balloon

banana

banana leaves

banana peel

banana peels

barbecue sauce

basil

batteries

bean sprouts

beef

beer

beet root

beets

biodegradable decorations

biodegradable plastic bags

bitter gourd

black beans

black walnut tree leaves

black walnut tree twigs

black-eyed peas

blood

body wash

bones

branches

bread

bread crumbs

breads

broad beans

broccoli

burlap

butter

cabbage

cactus

cadaver

cake

candle wax

candy

candy wrapper

canned fruits

canned vegetables

cantaloupe

cardboard

cardboard box

cardboard egg carton

cardboard toilet paper tubes

cardboard tubes

carrot peel

carrots

cat feces

cat food

cat manure

cauliflower

cauliflower scraps

cedar chips

celery

ceramic

charcoal ash

cheese

cheesecloth

cherry

cherry pits

chewing gum

chia seeds

chicken

chicken bones

chicken manure

chicken wings

chickpeas

chips

chocolate

chopsticks

cigarette-butt

cilantro

citrus peels

clam shells

clothes

coal

coconut

coconut husk

coconut milk

coconut shell

coffee

coffee cups

coffee filters

coffee grounds

coke

compostable packaging

compostable plastic bags

compostable utensils

condiments

conditioner

cooked beans

cooked oats

cooked pasta

cooked rice

cooked vegetables

cookies

cooking oil

corn cobs

corn husk

cosmetics

cotton fiber

cottong string

courgette

courgettes

crab shells

crackers

croutons

cucumber

cupcakes

dairy products

dead bird

dehydrated fruits

dehydrated vegetables

diapers

dips

dirt

diseased plants

dog feces

dog food

dog fur

dog manure

donuts

dove carcass

dragon fruit

drink mixes

dry beans

dry cereal

dryer lint

duckweed

egg

egg shells

eggplant

eggshells

envelope

fabric

falafel

fallen leaves

fallen seeds (from trees)

fats

feathers

fingernail clippings

fireplace ashes

fish

fish bones

fish scraps

fish skin

flax

flour

flowers

food waste

frozen fruits

frozen vegetables

fruit pits

fruit scraps

fruit sticker

fruit stones

fruits

fur

garland

garlic

garlic skin

gasoline

ginger

glass

glue

goat manure

granola bars

grape

grape branches

grass clippings

grease

green beans

guava

gumball

habanero

hair

hay

hemp

herb stems

honey

hops

horse manure

hot dog

hot sauce

houseplants

human feces

human manure

hygiene products

iceberg lettuce

icecream

insect-ridden plants

ivy

jalapeno

jams

japanese knotweed

jeans

jellies

juice

ketchup

kibble

kidney beans

kiwi

kombucha

lard

leather

leaves

legumes

lemon peel

lemons

lentils

lettuce

lima beans

lime

line

linen

lotion

lubricants

lumber

macaroni

magazines

mange tout

mango

manure from a meat eater animal

marrow

mayonnaise

meat

medical alcohol

melon rind

melons

metal

milk

milk curds

moldy cheese

motor oil

muesli

muffins

mung beans

mushroom

mustard

napkin

napkins

natural lump carchoal ash

navy beans

noodles

nut butter

nut shells

nuts

oils

old potting soil

old wires

olive stone

olives

onion

onion skin

orange

orange peels

oyster shells

packing paper

paper

paper bag

paper egg cartons

paper grocery bags

paper plates

paper straw

paper tea bags

paper towel

paper towels

parchment paper

pastries

peach

peach pits

peanut butter

peanut shells

peanuts

pear

peas

pencil shavings

pepper

pepper plant

pesto

pet faeces

pet food

pet hair

pet wastes

petroleum based plastic

pickled food

pine cones

pine needles

pineapple

pineapple skin

pinto beans

pistachio shells

pizza (not pizza boxes)

pizza box

PLA compostable plastics

planks

plantains

plastic packaging

plastic-free cling film

plum

polystyrene

poop

popcorn

popsicle sticks

pork

porridge

potato

potato peels

potatoes

poultry

powder milk

produce rubber bands

produce sticker

protein powder

prunings (from the garden)

pumpkin

pumpkin seeds

qtips

rabbit manure

radishes

real christmas tree

receipts

red lentil

relish

rhododendron leaves

rice paper

runner beans

salad dressings

salad leaves

sauces

sausages

sawdust

seaweed

seeds

shampoo

shedded skin of snake

shededd skin of reptile

shit

shredded cardboard

shredded newspaper

shredded paper

shrimp shells

skewers

smoothie

snack bars

soda

soiled cat litter

sour cream

sourdough

sourdough starter

soy beans

spent grain

spinach

split peas

spoiled milk

squash

sriracha sauce

stale herbs

stale spices

steak

steak sauce

straw

strawberry

sugar

summer squash

sunchoke

sunflower seeds

sweet potato

tape

tapioca

tea leaves

teabag

tempeh

tissues

toast

toenail clippings

tofu

tomato

toothpicks

tortillas

tuna

twine

uncooked oats

uncooked pasta

uncooked rice

uncooked soy beans

unpopped popcorn kernels

urine

used matches

vacuum cleaner dust

vegetable sticker

vegetables

vegetables that have gone bad

vermiculite

vinaigrette

walnut

walnut leaves

watermelon

watermelon rind

wax paper

weed stems

weeds

whole eggs

wicker basket

wigs

wild mushrooms

wine cork

wood ash

wood chips

wooden toothpicks

wool

worms

wreath

yam

yard trimming

yard trimming treated with cemical pesticides

yarn

yeast

yogurt

green algae

blackberry

tomato puree

passion fruit

rotten bananas

ice cream

mail

rust

tamarind

wood scraps

unused-instant-coffee