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The Plant Guide

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Horehound

Marrubium incanum

Horehound is a spreading perennial with scalloped, toothed, gray-green leaves, white-felted beneath, to 2 inches long. Small tubular flowers open in whorls in late spring, varying from tepid gray and pale lilac to greenish white.

Noteworthy CharacteristicsGrown primarily for foliage. Tolerates heat and drought.

CareEasy to grow in rich soil with occasional watering in drier summers.

PropagationGermination is erratic. Root softwood cuttings in spring or summer.

ProblemsInfrequent.

  • Genus : Marrubium
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 10, 3, 4, 5, 6, 7, 8, 9
  • Moisture : Adaptable
  • Tolerance : Drought Tolerant
  • Light : Full Sun
  • Maintenance : Low
  • Plant Type : Perennials
  • Characteristics : Showy Foliage
  • Bloom Time : Spring
  • Plant Seasonal Interest : Summer Interest
  • Flower Color : White

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