Lamb's ear
Also known as
Woolly betony, Stachys, Lambs ears
Keep this plant’s care guide close at hand.
Get the appAbout Lamb's ear
Stachys byzantina, commonly called lamb’s ear, is a low, mat-forming perennial prized for its velvety, silver-gray foliage that resembles the feel and shape of a lamb’s ear. The softly pubescent leaves form dense rosettes that spread into a drought-tolerant groundcover, suppressing weeds and adding luminous texture to borders and pathways. In late spring to early summer, upright stems carry small, rosy-purple flowers that attract bees, though many growers shear the stalks to keep the carpet tidy. Native to dry regions of Western Asia, it thrives in well-drained, lean soils and is notably tolerant of heat and poor fertility, yet it resents humidity and persistent wetness, which can cause crown rot. Foliage can be semi-evergreen in mild winters and is deer- and rabbit-resistant. It’s ideal for edging, xeriscapes, and sensory gardens where its tactile leaves invite touch. In hot climates, afternoon shade helps preserve color and form; in cool, sunny sites, it excels with minimal care.
Taxonomy
Properties & Requirements
How to care for Lamb's ear
Water
Water newly planted lamb’s ear regularly for the first growing season, allowing the top 2–3 inches of soil to dry between waterings. Once established, it is drought-tolerant; provide a deep soak only during extended dry spells, typically every 10–14 days in summer, adjusting for soil and climate. Always water at the base to keep leaves dry and prevent rot. Avoid overhead irrigation and heavy, frequent watering. In containers, water when the mix is mostly dry and ensure rapid drainage.
Light
Provide full sun to light shade. In cool climates, full sun intensifies the silvery foliage and keeps plants compact. In hot, dry regions, give afternoon shade to prevent leaf scorch and maintain color. Too much shade leads to lanky growth and greener, less dense leaves. Aim for 6+ hours of direct sun in temperate areas, 4–6 hours with bright, open shade later in the day where summers are intense. Indoors is not ideal; if attempted, use the brightest, driest location.
Nutrients
Lamb’s ear prefers lean soils and typically needs little to no fertilizer. In spring, top-dress with a thin layer of compost or apply a light dose of a low-nitrogen, slow-release fertilizer (e.g., 5-10-10) to support moderate growth without making foliage lush and floppy. Avoid high-nitrogen formulas and frequent feeding, which promote rot-prone, overly soft leaves. Container-grown plants benefit from a half-strength balanced feed once in late spring. Do not fertilize in late summer or autumn.
Temperature
Hardy in USDA zones 4–9, lamb’s ear tolerates significant cold when soil drains freely, withstanding deep freezes if kept relatively dry. It is heat-tolerant in arid climates but struggles in sustained high humidity. Aim for cool to warm conditions (roughly -30 to 35 °C / -22 to 95 °F), avoiding prolonged periods of warm, wet soil. Provide airflow and morning sun to dry dew. In containers, protect crowns from freeze–thaw cycles and keep on the dry side through winter.
