Can I Compost Wood ash?
Yes
Wood ash can be composted.
What to Know
- Wood ash can be added to compost in moderation
- It's rich in potassium and lime, which can help balance the pH of your compost
- However, too much can make your compost overly alkaline
Tips
- Use wood ash sparingly, about 5% of total compost volume
- Only use ash from untreated wood
- Mix thoroughly with other compost materials to prevent clumping
- Avoid using if your soil is already alkaline