Coffee Grounds in the Garden: What Works and What’s a Myth

Coffee grounds are one of the most talked-about free garden amendments.

The short answer

Coffee grounds are a useful compost ingredient.

How to use coffee grounds in compost

Composting is the safest and most effective way to use coffee grounds.

Using coffee grounds in a worm bin

Add grounds in small amounts alongside other food scraps, not as the main food.

Can you put coffee grounds directly on the garden?

The risks come from using too much, or using it in a thick layer.

Which plants like coffee grounds?

The honest answer is that no plant needs coffee grounds.

What about slugs?

Slugs are a real problem in damp gardens, and coffee grounds are often recommended as a barrier.