How to install Plastic Landscape Edging around a planting bed. Cut off 4" on the top edge & overlap the pieces to prevent expansion movement for long runs! Add stakes periodically to the edging to Installing Plastic Landscape Edging (DIY) - YouTube Please note: You are currently browsing img argee 25 ft decorative plastic brick edging, red that is 407x543px in size. This image is listed in decorative plastic garden border edging category. Installing Plastic Landscape Edging DIY YouTube, 407x543 in 64.28 KB.