About
Marrubium incanum, the silver horehound, is a woolly-white perennial to 50 cm with upright, square, silvery-white stems bearing rounded, grey-green leaves with scalloped margins and dense, white, woolly undersides. Whorls of small, white flowers are borne along the upper stems in summer. A handsome foliage plant for a sunny, well-drained border.
About the genus
Marrubium, the horehounds, are aromatic, woolly perennials in the mint family (Lamiaceae) with upright, square stems, rounded, grey-green, scalloped leaves and whorls of small flowers. Grown in sunny, well-drained borders.
Plant details
Suggested usesBorders, containers, mixed plantings.
Care notes
CultivationPlant in well-drained soil in a suitable position. Water during establishment.
PruningRemove dead or damaged growth as needed.
PropagationPropagate by division, cuttings, or seed as appropriate.
Pest resistanceGenerally pest-free. Monitor for common garden pests.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.