Mound layering is a good way to propagate woody plants
MOUND layering is a useful way to propagate plants that have become leggy.
Woody herbs likes lavender, sage and thyme are particularly prone to leggy growth, develop a high percentage of leafless, woody stems. Layering is a simple way to get new plants from a fading old one.
Mix a loam-based compost 50:50 with sharp sand. Move your leggy plant into a big deep pot and pile compost mix over the rootball and stems of the plant so that you can still just see the leafy tips. Water well. Roots should have formed on the stems by late summer. These rooted 'layers' can be detached and potted up or planted out.