White Rock Lake near Winfrey Point. Photo by Renee Umsted.

The Dallas Park and Recreation Department will be treating the edges of prairie areas at White Rock Lake with plateau herbicide.

This will be done to abate the Johnson grass that has taken over in these areas. Staff will begin treating the edges of the prairies on July 11.

We’ll update the story with a more specific schedule when it becomes available.

Native prairie land around White Rock Lake can be seen near the Bath House Cultural Center. It includes drought-tolerant plants, such as tall grasses, flowers and seed-bearing plants.

Johnson grass is an invasive species. When it’s removed from prairies, dormant seeds of native plants begin to emerge.

Read more about prairies here.