Plant Number: 1.355.070  
Silver-edged Horehound
Marrubium rotundifolium

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This native of Turkey forms a dense patch of small rounded velvety leaves, each lined along the edges and undersides with silvery white. A tough plant for hot and dry western regions, suitable for the rock garden or edging pathways. Flowers are insignificant. A vigorous, low maintenance plant if soil drainage is good. Not well suited to regions with hot and humid summers, since the plants may begin to rot out. Shear off the flowers, if desired. A nice textural companion to blue or silver-leaved grasses, perennials and shrubs. Semi-evergreen. Plants may be sheared lightly in spring or after blooming, if desired.

Zone 4 to Zone 9

Conditions     Appearance    
Sun Exposure
  Full Sun

Soil Type

Soil pH

Soil Moisture

Care Level

Foot Traffic

Rate of Spread
Flower Colour

Blooming Time

Foliage Color
  Deep Green

Plant Uses & Characteristics
  Accent: Good Texture/Form
  Alpine & Rock
  Lawn Substitute
  Drought Tolerant
  Ground Cover

Flower Head Size
  Very Small

   15-20 cm
   6-8 inches

   30-60 cm
   12-23 inches

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