Skip to main content

Bishop's goutweed

(Aegopodium podagraria)

Photo of Bishop's goutweed
Photo credit: Nisa Karimi

Vigorous, rhizomatous perennial groundcover; variegated variety is a common ornamental plant.

Overview map of bishop's goutweed classification in WI
Restricted (orange) counties

Other names for this plant include:

  • Common names: Goutwort, snow-on-the-mountain (variegated cultivar), Herb-Gerard, wild or English masterwort, ax-ashe weed, aise-weed, dwarf weed, bishop’s weed, white-ash-herb, garden-plague, dog-elder, ground-elder, jackjump-about.
  • Scientific names: None.

Classification in Wisconsin: Restricted

Ecological Threat
  • Aggressively invades forests, forest edges, fields, pastures, plantings, disturbed areas.
  • Planted and naturalized statewide.
  • Outcompetes native herbaceous layer, forming dense patches.
  • Reduces tree seedling germination and inhibits establishment.
  • Recognized as an invasive across much of the United States.
  • Perennial and shade-tolerant, this plant spreads vigorously through rhizomes.

Leaves & stems: Leaves are divided into three groups of three leaflets. Leaflets are ovate with broad bases or cordate (heart-shaped), with serrated margins. Most leaves are basal. Variegated varieties are common.

Flowers: Flowers are white, flat-topped umbels. Flowering stems reach up to three feet tall.

Fruits & Seeds: Long slender seeds resemble carrot seeds.

Roots: Roots are long, white, extensive branching rhizomes.

  • Diligently hand-pull or dig-up plants, removing as much of the rhizomes as possible. Bag and dispose of all plant debris as plant fragments readily resprout.
  • Cutting and mowing may slow the plants from invading new areas.
  • Cover the infestation with black landscape fabric/plastic in early spring, when leaves emerge. Keep covered for a minimum of one growing season.
  • Use a systemic herbicide, such as glyphosate.
Sources for content: Links for more information: