Yard & Garden Waste
Outdoor organic matter from your garden and lawn
Grass clippings
Green (Nitrogen)17:1 C:N | 1-4 weeks
Leaves (dry/brown)
Brown (Carbon)60:1 C:N | 2-6 months
Leaves (fresh/green)
Green (Nitrogen)25:1 C:N | 2-4 weeks
Pine needles
Brown (Carbon)80:1 C:N | 3-12 months
Hedge trimmings
Brown (Carbon)40:1 C:N | 2-6 months
Flower cuttings
Green (Nitrogen)25:1 C:N | 2-4 weeks
Weeds (no seeds)
Green (Nitrogen)20:1 C:N | 2-4 weeks
Straw
Brown (Carbon)75:1 C:N | 2-6 months
Hay
Brown (Carbon)25:1 C:N | 1-3 months
Twigs (small)
Brown (Carbon)60:1 C:N | 3-12 months
Algae
Green (Nitrogen)10:1 C:N | 1-2 weeks
Corn stalks
Brown (Carbon)60:1 C:N | 2-4 months
Moss
Green (Nitrogen)30:1 C:N | 2-4 months
Sunflower stalks
Brown (Carbon)60:1 C:N | 3-6 months
Tomato plants (healthy)
Green (Nitrogen)20:1 C:N | 2-4 weeks
Pea vines
Green (Nitrogen)15:1 C:N | 2-3 weeks
Bean plants
Green (Nitrogen)15:1 C:N | 2-3 weeks
Squash vines
Green (Nitrogen)25:1 C:N | 1-3 months
Deadheaded flowers
Green (Nitrogen)25:1 C:N | 2-4 weeks
Bamboo leaves
Brown (Carbon)50:1 C:N | 2-4 months
Clover
Green (Nitrogen)16:1 C:N | 1-2 weeks
Lawn thatch
Brown (Carbon)50:1 C:N | 2-4 months
Coconut coir
Brown (Carbon)75:1 C:N | 2-6 months
Old potting soil
Brown (Carbon)100:1 C:N | Already decomposed
Chicken manure
Green (Nitrogen)7:1 C:N | 2-4 weeks
Horse manure
Green (Nitrogen)25:1 C:N | 1-3 months
Cow manure
Green (Nitrogen)18:1 C:N | 1-3 months
Rabbit manure
Green (Nitrogen)15:1 C:N | 2-4 weeks
Goat manure
Green (Nitrogen)20:1 C:N | 1-3 months
Sheep manure
Green (Nitrogen)16:1 C:N | 1-3 months
Alfalfa
Green (Nitrogen)12:1 C:N | 2-4 weeks
Comfrey leaves
Green (Nitrogen)10:1 C:N | 1-2 weeks
Nettles
Green (Nitrogen)12:1 C:N | 1-2 weeks
Sugar cane bagasse
Brown (Carbon)50:1 C:N | 2-4 months
Banana leaves
Brown (Carbon)35:1 C:N | 1-3 months
Straw bedding (animal)
Brown (Carbon)75:1 C:N | 2-4 months
Lavender trimmings
Green (Nitrogen)25:1 C:N | 2-4 weeks
Rosemary trimmings
Brown (Carbon)35:1 C:N | 2-6 months
Sage trimmings
Green (Nitrogen)20:1 C:N | 2-4 weeks
Mint trimmings
Green (Nitrogen)15:1 C:N | 1-2 weeks
Rose prunings
Brown (Carbon)40:1 C:N | 3-6 months
