One thing that helps, though, is garden edging: a raised liner that goes ... a border and “hold in” the materials in the bed.
These are some of our favorites. These are three gardening tools every homeowner needs. The post How to Install Concrete Flower Bed Edging appeared first on Family Handyman.
If you're new to gardening and don't quite know if your current layout is "the one," using plastic edging may be the way to go. Wood edging "Wood edging can be used to contain raised planter beds ...