Mahonia japonicaMahonia japonica

  • BOTANICAL NAME: Mahonia japonica
  • PRONUNCIATION: ma-HO-ni-a ja-PON-i-ca
  • COMMON NAME: Japanese Mahonia
  • FAMILY: Berberidaceae
  • NATIVITY: Korea, Japan
  • GROWTH HABIT: Upright shrub, with multiple erect branches and foliage primarily terminal.
  • SIZE: 6 - 10' tall
  • HARDINESS: Zone 6 - 8
  • CULTURE: Tolerates full sun/shade but performs better in partial shade.
    Well-drained, moist, acidic soils result in the best growth. Does not do
    well in hot, dry environments.
  • LANDSCAPE USE: Good plant for use under open canopies or in drifts in
    large gardens. A bird-attracting plant.
  • FOLIAGE: Alternate, pinnately compound (13 - 19 leaflets), lanceolate- to
    oblong-ovate, spinose margins, 12 - 18" long. Extremely stiff, plastic-like leaves.
    These leaves are not as spiny as M. bealei. Deep green color, lacking
    the blue-green of some Mahonia.
  • BUDS:
  • BARK: Distinct yellow inner bark.
  • FLOWERS: Pendulous, loose racemes, made up of fragrant yellow
    flowers 4 - 8" long. Borne in March - April.
  • FRUIT: Blue- black drupes, 3/8" long cascade over the foliage in the late spring.
  • PROPAGATION: Seed.
  • PESTS: None serious.
  • CULTIVARS:

 

 

University of Delaware

University of Delaware Botanic GardensNewark, DE 19716Phone: 302 831-0153