Yes
Yes. Plain cardboard cereal boxes compost, once the plastic liner is removed.
VerdictYes
Breaks down inSeveral weeks to 2 months
Counts asCardboard
Why
Cereal boxes are cardboard, which breaks down well. The inner liner is plastic or foil and doesn't break down, so remove it.
Quick facts
| Carbon to nitrogen | About 350:1 |
|---|---|
| Hot pile | 1-3 months |
| Cold pile | 3-6 months |
| Worm bin | Yes · Tear into small pieces first. |
| Bokashi | Yes · Acceptable in small shredded amounts. |
| City green bin | Generally accepted; check local rules. |
| Prep | Remove plastic liner and tear into small pieces. |
| Mix with | Mix with high-nitrogen food scraps. |
| Pest risk | Low · No special risk if kept dry and buried. |
How to compost cereal boxes
- Pull out the plastic or foil liner.
- Tear the box into small pieces.
- Mix the pieces into the pile with food scraps.
Watch out for
- Remove the plastic liner before composting.
- Glossy printed boxes have inks you may not want.
- Stiff boxes can take longer, so tear them up.
Other ways to use cereal boxes
- Recycle the box and liner separately.
- Use plain boxes for storage or shipping.
Common questions
Can I compost cereal boxes?
Yes, once the plastic liner is removed.
What about the plastic liner?
Put it in the trash or recycling if your city takes it.
Are printed boxes safe?
Mostly, but glossy coatings can take longer to break down.
Are cereal boxes biodegradable?
The cardboard is, once the liner is gone.
Rules vary by town and by composting method. When in doubt, check with your local composting or waste program.