Plastic edging is the easiest to install and is least expensive for landscape edging. Its only purpose is to define beds and keep landscape material in it place. By choosing a more expensive brand of plastic edging, it will look better and is much more durable. Landscape Edging Ideas | Stone, Plastic, Steel and Brick Please note: You are currently browsing img 91 best images about raised gardenborder ideas on that is 577x600px in size. This image is listed in garden edging ideas pictures category. Landscape Edging Ideas Stone, Plastic, Steel and Brick, 577x600 in 113.21 KB.