Compost or Not

Can I Compost Onion skins?

Yes

Onion skins can be composted.

What to Know

  • Onion skins are excellent for composting
  • They're rich in nutrients and break down quickly
  • While some gardeners worry about their smell or potential to repel worms, these concerns are generally unfounded in a well-managed compost pile

Tips

  • Chop or tear the skins into smaller pieces to speed up decomposition
  • Mix them well with other compost materials to prevent clumping
  • If you're concerned about odor, bury the onion skins deeper in the compost pile