Silverheels horehound
Marrubium rotundifolium
Silverheels horehound (Marrubium rotundifolium) is a groundcover suited to the Colorado Front Range. It matures to about 6–12 in tall and 18–24 in wide, needs low water, and prefers full sun. Silver-white round leaves form a velvet mat; pollinator-friendly white flower whorls.
low water6–12 in tall and 18–24 in wideXeric / water-wiseDeer-resistant
Photos
At a glance
- Botanical name
- Marrubium rotundifolium
- Variety / cultivar
- (species — Plant Select)
- Type
- Groundcover
- Mature size
- 6–12 in tall and 18–24 in wide
- Water needs
- low water
- Sun
- full sun
- Colorado native
- No
- Foliage
- Evergreen
- Soil
- loam, sandy, well drained only
- Soil pH
- 6.5–8.0
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Bloom color
- white
- Bloom time
- mid summer
- Pollinator value
- low
- Good for
- south wall, hellstrip, slope
Planting & establishment
Sharp drainage essential; rots in wet sites.
Frequently asked questions
- Is Silverheels horehound good for the Colorado Front Range?
- Yes. Silverheels horehound is included in the Front Range Plant Finder as a groundcover suited to Colorado's Front Range.
- How big does Silverheels horehound get?
- It matures to about 6–12 in tall and 18–24 in wide.
- How much water does Silverheels horehound need?
- It needs low water once established.
- Is Silverheels horehound native to Colorado?
- No — it is not a Colorado native, but it grows well on the Front Range.
