Another concern is animals in the play area. So check for fences or other barriers that keep out cats or other animals. Wood chips present potential problems, too, Bower said. The wood may can harbor microbial growth when wet and may attract insects that can bite. All loose-fill surfaces can hide nails or broken glass.
Careful maintenance is important.
But checking for recommended types of equipment and surfaces and regular maintenance will minimize hazards. Of course, nothing replaces the need for good adult supervision. Plant them in September, or about a month before the average first frost date in your area. Complete planting before the first killing frost. The time is right for rooting azalea, holly and hydrangea cuttings, for instance.