Botanical Name: Marrubium rotundifolium
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Common Name: Silver Edged Horehound  
Plant photo of: Marrubium rotundifolium
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Water Saving Tip:

Change spray sprinklers to low-flow bubbler or drip systems. Shrubs and trees are ideal candidates for this type of irrigation because the water is applied directly to the root zones.

  • Anatomy

  • Culture

  • Design

Plant Type

Broadleaf Evergreen, Ground cover, Perennial

 

Height Range

Under 1'

 

Flower Color

White

 

Flower Season

Spring

 

Leaf Color

Grey Green, Silver

 

Bark Color

n/a

 

Fruit Color

n/a

 

Fruit Season

n/a

Sun

Full

 

Water

Low

 

Growth Rate

Moderate, Slow

 

Soil Type

Sandy, Clay, Loam, Rocky, Unparticular

 

Soil Condition

Average, Rich, Poor, Well-drained, Dry

 

Soil pH

Neutral, Basic

 

Adverse Factors

n/a

Design Styles

English Cottage, Japanese, Meadow, Mediterranean, Ranch, Spanish

 

Accenting Features

Unusual Foliage

 

Seasonal Interest

Winter, Summer, Fall

 

Location Uses

Perennial Border, Shrub Border, Foundation, Parking Strip, Walkways

 

Special Uses

Filler, Small Spaces

 

Attracts Wildlife

n/a

Information by: Stephanie Duer
Photographer:

  • Description

  • Notes

Silver edged horehound is a wonderful addition to a perennial border. Its evergreen foliage forms a dense mat of soft green ,felted leaves and curve slightly up at the edges to expose a silvery underside. Grows about 10 inches tall and 18 inches across. Odd little ball-like pinkish-white flowers in summer; not considered an asset and some recommend just shearing them off, but I think they have character. There are some planted in the Washington Square Demonstration Garden.
Grow in full sun in lean, well drained soils. This perennial doesn't really need much, and once established, it needs little water. Avoid overhead watering as it can cause the foliage to melt out.