Plant library · Perennial Flowers
Stachys byzantina
Lamb’s ear is a low perennial groundcover that brings a soft, silvery edge to sunny, dry borders. Its 1-foot height keeps the foliage below most flowering perennials, while a mature spread of about 2 feet lets it read as a connected drift rather than a collection of separate mounds. Use it where its woolly texture can define the front of a bed without blocking views into the planting.
Place lamb’s ear along the front of a border, beside a walkway, or at the edge of a gravelly planting where the foliage can soften a hard line. Keep the planting just back from the path edge rather than allowing it to spill into a narrow route; its spreading stems need room to knit together. It also suits rock-garden pockets and raised or sloping ground that sheds water readily.[1][2][3]
Set plants 18 inches apart, center to center, for a continuous groundcover pattern. Each plant can ultimately occupy about 2 feet in width, so reserve a broad front strip instead of a thin ribbon between taller plants and a path. In a mixed border, leave a reachable edge or stepping access behind the drift so neighboring plants can be tended without compressing the foliage.
Give this groundcover full sun and lean toward dry conditions rather than frequent irrigation. Well-drained soil is important because wet, woolly foliage and humid conditions can encourage rot and leaf-spot problems. On sites with heavy soil or poor air movement, use a raised edge, slope, or other position that prevents water from lingering around the plants.[1][2][3]
Late spring to early summer brings flower stems above the low foliage, adding brief vertical accents to the planting. If the design depends on an even silver carpet, remove flowering stems as they appear or after bloom to keep attention on the leaves and maintain a compact groundcover effect. The foliage remains the principal visual element through the growing season.[1][2][3]
Allow room for the patch to spread and inspect its edges during the season, especially in richer ground where rooted stems can enlarge the planting. Avoid squeezing it into damp, enclosed border pockets where foliage stays wet. Periodic division can refresh thinning or patchy areas and is easiest when the drift has clear boundaries from paths, edging, and neighboring perennials.[1][2][3]
Editorial content updated 2026-07-20.