Pachysandra procumbens

Allegheny Pachysandra, Allegheny Spurge

Buxaceae

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Habitat

  • native to West Virginia down through Louisiana and across to Florida
  • hardy to zone 5, and warmer parts of 4

Habit and Form

  • a semi-evergreen groundcover
  • spreads by rhizomes
  • forms a dense and solid carpet of vegetation
  • grows 6" to 10" high
  • medium texture
  • slow growth rate

Summer Foliage

  • simple evergreen leaves
  • leaves are held clustered at the tips of shoots in whorls, with several inches of naked basal stem present
  • leaf arrangement is alternate
  • leaves are 2" to 4" long and 2" to 3" wide
  • somewhat pubescent
  • ovate leaf shape
  • toothed leaf margins
  • mosaic pattern can sometimes be found on leaf surface
  • blue-green leaf color

Autumn Foliage

  • semi-evergreen, no fall color

Flowers

  • pinkish white flowers
  • fragrant
  • borne in spikes, 2" to 4" long
  • blooms in April
  • showy

Fruit

  • dehiscent capsule
  • blackish brown seeds
  • rarely seen on plant

Bark

  • brown stems with a purplish tinge
  • glabrous

Culture

  • prefers moist, acidic, organic, well-drained soil
  • partial to full shade
  • requires weed control during establishment
  • once established, relatively easily grown
  • avoid poorly drained, heavy clay soils

Landscape Use

  • one of the best groundcover for shade
  • good for erosion control, sloped shady banks
  • works well under shade trees where lawn growth is poor
  • naturalizing

Liabilities

  • no serious pest problems
  • is not affected by scale, leaf spot or dieback common to P. terminalis
  • leaf removal can be challenging

ID Features

  • low semi-evergreen groundcover
  • rhizomatous growth
  • foliage in terminal whorls
  • mosaic pattern on leaf surface
  • blue-green leaf color
  • fragrant flower spikes

Propagation

  • by cuttings, easy

Cultivars/Varieties

'Eco Treasure' - This selection from Georgia features more highly variegated (marked) leaves.

'Forest Green' - Often grown and marketed as a superior selection, this cultivar appears to be identical to the species.

'Pixie' - A new novelty form discovered at an Ohio arboretum, this miniature selection only reaches 4" tall and slowly forms clumps. It is otherwise identical to the species. This plant is offered by some specialty catalogs.

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.