Conditional Materials
Materials that can be composted under specific conditions
Bones
Brown (Carbon)0:1 C:N | 1-5 years
Blood meal
Green (Nitrogen)3:1 C:N | 1-2 weeks
Bone meal
Brown (Carbon)0:1 C:N | 1-6 months
Fireplace ash
Brown (Carbon)0:1 C:N | Immediate
Biodegradable bags
Brown (Carbon)200:1 C:N | 3-6 months
Compostable cutlery
Brown (Carbon)200:1 C:N | 3-12 months
Pumpkin seeds
Green (Nitrogen)25:1 C:N | 2-4 weeks
Fish scraps
Green (Nitrogen)7:1 C:N | 2-4 weeks
Shellfish shells
Brown (Carbon)0:1 C:N | 1-5 years
Shrimp shells
Green (Nitrogen)10:1 C:N | 2-6 months
Bokashi bran
Brown (Carbon)30:1 C:N | 2-4 weeks
Bokashi pre-compost
Green (Nitrogen)20:1 C:N | 2-4 weeks
Nut butter (expired)
Green (Nitrogen)15:1 C:N | 2-4 weeks
Pickle scraps
Green (Nitrogen)20:1 C:N | 2-4 weeks
Stale chips
Green (Nitrogen)25:1 C:N | 1-2 weeks
Weeds (with seeds)
Green (Nitrogen)20:1 C:N | 2-4 weeks
Wood ash
Brown (Carbon)0:1 C:N | Immediate
