Blue Rug Juniper (Juniperus horizontalis) is a hardy low-growing groundcover with brilliant blue-green foliage that turns a unique mix of grey and purple during the winter months.
2 year old 3 to 6 inch rooted cuttings.
Photo credit: Photo by David J. Stang, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons