Kitchen Scraps
Food waste and kitchen byproducts for your compost
Apple cores
Green (Nitrogen)35:1 C:N | 1-2 months
Apple peels
Green (Nitrogen)35:1 C:N | 1-2 months
Avocado pits
Brown (Carbon)50:1 C:N | 6-12 months
Banana peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Bean shells/pods
Green (Nitrogen)25:1 C:N | 1-2 months
Beet tops/greens
Green (Nitrogen)15:1 C:N | 2-3 weeks
Berries (spoiled)
Green (Nitrogen)30:1 C:N | 1-2 weeks
Bread (stale)
Green (Nitrogen)30:1 C:N | 2-4 weeks
Broccoli stalks
Green (Nitrogen)20:1 C:N | 1-2 months
Cabbage leaves
Green (Nitrogen)12:1 C:N | 2-3 weeks
Cantaloupe rind
Green (Nitrogen)30:1 C:N | 1-3 months
Carrot peels
Green (Nitrogen)27:1 C:N | 2-4 weeks
Celery scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
Coconut shell
Brown (Carbon)75:1 C:N | 2-3 years
Coffee grounds
Green (Nitrogen)20:1 C:N | 2-4 weeks
Coffee filters
Brown (Carbon)200:1 C:N | 2-4 months
Corn cobs
Brown (Carbon)56:1 C:N | 2-4 months
Corn husks
Brown (Carbon)60:1 C:N | 1-2 months
Cucumber peels
Green (Nitrogen)15:1 C:N | 1-2 weeks
Eggplant scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
Eggshells
Brown (Carbon)0:1 C:N | 1-3 years
Fruit scraps (general)
Green (Nitrogen)35:1 C:N | 2-4 weeks
Ginger root
Green (Nitrogen)20:1 C:N | 1-2 months
Grape stems
Brown (Carbon)45:1 C:N | 2-4 months
Green beans
Green (Nitrogen)20:1 C:N | 2-3 weeks
Herb stems
Green (Nitrogen)15:1 C:N | 2-4 weeks
Kiwi skin
Green (Nitrogen)30:1 C:N | 2-4 weeks
Lettuce
Green (Nitrogen)12:1 C:N | 1-2 weeks
Mango peels
Green (Nitrogen)30:1 C:N | 2-4 weeks
Melon rind
Green (Nitrogen)30:1 C:N | 1-3 months
Mushroom scraps
Green (Nitrogen)15:1 C:N | 1-2 weeks
Oatmeal
Green (Nitrogen)20:1 C:N | 1-2 weeks
Pasta (cooked)
Green (Nitrogen)25:1 C:N | 2-4 weeks
Pepper scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
Pineapple crown/core
Brown (Carbon)40:1 C:N | 2-6 months
Potato peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Pumpkin scraps
Green (Nitrogen)25:1 C:N | 1-3 months
Radish tops
Green (Nitrogen)12:1 C:N | 1-2 weeks
Rice (cooked)
Green (Nitrogen)25:1 C:N | 1-3 weeks
Seaweed/kelp
Green (Nitrogen)19:1 C:N | 2-4 weeks
Spinach
Green (Nitrogen)12:1 C:N | 1-2 weeks
Squash scraps
Green (Nitrogen)25:1 C:N | 1-3 months
Sweet potato peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Tea bags
Green (Nitrogen)25:1 C:N | 2-4 weeks
Tea leaves (loose)
Green (Nitrogen)25:1 C:N | 2-4 weeks
Tomato scraps
Green (Nitrogen)18:1 C:N | 2-4 weeks
Vegetable scraps (general)
Green (Nitrogen)20:1 C:N | 2-4 weeks
Watermelon rind
Green (Nitrogen)30:1 C:N | 1-3 months
Zucchini scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
Stale cereal
Green (Nitrogen)25:1 C:N | 1-2 weeks
Flour (old)
Green (Nitrogen)25:1 C:N | 1-2 weeks
Moldy bread
Green (Nitrogen)30:1 C:N | 1-2 weeks
Tofu (spoiled)
Green (Nitrogen)15:1 C:N | 1-2 weeks
Coconut water
Green (Nitrogen)0:1 C:N | Immediate
Corn silk
Green (Nitrogen)15:1 C:N | 1-2 weeks
Guava scraps
Green (Nitrogen)25:1 C:N | 1-3 weeks
Jackfruit scraps
Green (Nitrogen)25:1 C:N | 2-4 weeks
Lychee shells
Brown (Carbon)40:1 C:N | 2-4 months
Okra scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
Papaya scraps
Green (Nitrogen)25:1 C:N | 1-3 weeks
Passion fruit shells
Brown (Carbon)40:1 C:N | 2-4 months
Persimmon scraps
Green (Nitrogen)25:1 C:N | 2-4 weeks
Plantain peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Taro peels
Green (Nitrogen)20:1 C:N | 2-4 weeks
Yam peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Cassava peels
Green (Nitrogen)20:1 C:N | 2-4 weeks
Sake lees
Green (Nitrogen)15:1 C:N | 1-2 weeks
Spent grain (brewing)
Green (Nitrogen)15:1 C:N | 1-3 weeks
Lemongrass scraps
Green (Nitrogen)30:1 C:N | 1-3 months
Turmeric scraps
Green (Nitrogen)20:1 C:N | 2-4 weeks
Cardamom pods
Brown (Carbon)40:1 C:N | 2-4 months
Cinnamon sticks
Brown (Carbon)50:1 C:N | 3-6 months
Vanilla pods (used)
Brown (Carbon)40:1 C:N | 2-4 months
Date pits
Brown (Carbon)50:1 C:N | 1-3 years
Cherry pits
Brown (Carbon)50:1 C:N | 1-3 years
Peach pits
Brown (Carbon)50:1 C:N | 1-3 years
Plum pits
Brown (Carbon)50:1 C:N | 1-3 years
Olive pits
Brown (Carbon)50:1 C:N | 1-3 years
Bamboo shoot waste
Green (Nitrogen)20:1 C:N | 2-4 weeks
Expired spices
Green (Nitrogen)20:1 C:N | 1-2 weeks
Pomegranate peels
Green (Nitrogen)30:1 C:N | 2-4 months
Turnip peels
Green (Nitrogen)20:1 C:N | 2-3 weeks
Artichoke leaves
Green (Nitrogen)20:1 C:N | 1-3 months
Asparagus ends
Green (Nitrogen)15:1 C:N | 2-3 weeks
Avocado flesh
Green (Nitrogen)25:1 C:N | 1-2 weeks
Bok choy scraps
Green (Nitrogen)12:1 C:N | 1-2 weeks
Cauliflower scraps
Green (Nitrogen)20:1 C:N | 2-4 weeks
Kale stems/leaves
Green (Nitrogen)15:1 C:N | 2-3 weeks
Leek tops
Green (Nitrogen)15:1 C:N | 2-3 weeks
Parsnip peels
Green (Nitrogen)25:1 C:N | 2-4 weeks
Fennel scraps
Green (Nitrogen)15:1 C:N | 2-3 weeks
