Black-Headed Worms (aporrectodea longa)Īs you can probably guess from the name, the Common Worm is the species most frequently found in UK gardens.

Common (or lob) Worms (lumbricus terrestris).

In the UK, there are three species of worms that cause casts: This creates swirls of mud, otherwise known as worm casts.Īlso, you know that slimy appearance they have? Yeah… that’s the worm’s digestive enzymes. Then, they excrete the soil, expelling it onto the ground surface. Worms consume soil in order to extract the organic matter within it. Of course, if you still aren’t convinced, we’ll also cover how to get rid of worm casts completely.

We’ll also discuss why you maybe shouldn’t be so quick to get rid of them.

This article explores what causes worm casts and why they can be problematic. But, on the flip side, there are also many benefits to having worms around! Although they’re not the worst thing to find in your garden, worm casts can ruin the aesthetics of a well-manicured lawn plus, they can introduce weeds which is definitely not what we want.

Download worm casts on lawn