Crowding out weeds

I passed this small plaza where the lawn is wall to wall dandelions. In the midst of the sea of yellow, were some patches of green that had no dandelions.

I took a closer look- the patches of green are clumps of an thick bladed wild grass. Not a variety that most people would want on their front lawn.

The point though - is that this grass grows very dense. Dense enough that the dandelions were not able to grow where this grass is growing. This shows that having a healthier, thicker lawn is of value in keeping out weeds.