Managing Worm Casts

How to Manage Worm Casts on Your Lawn

Worm casts – those small, muddy mounds that appear on your lawn, especially in autumn – are a common sign of a healthy garden ecosystem. While they’re a positive indicator of good soil structure and aeration, they can be frustrating for lawn owners who want to maintain a neat appearance.

Here’s how to manage worm casts without harming your lawn’s health:

1. Let Them Dry, Then Brush Away
   Instead of trying to remove worm casts while they’re wet, let them dry out. Once dried, use a stiff broom or brush to gently sweep them away. This minimizes soil smearing and protects your grass.
2. Increase Your Mowing Frequency
   Regular mowing at a slightly higher height can reduce the appearance of worm casts. Keeping the grass a bit longer helps mask any remaining casts and keeps your lawn looking even.
3. Improve Drainage
   Worms are more active in damp conditions, so improving lawn drainage can reduce cast numbers. Aerating your lawn annually can help by allowing better water movement and keeping the surface drier.
4. Consider Seasonal Benefits
   Worms play an essential role in lawn health by enriching the soil. While casts can be unsightly, they generally cause no long-term harm and can even benefit your lawn by enhancing its nutrient profile.

With a bit of patience and the right approach, you can keep your lawn looking great while supporting its natural ecosystem!