Forsythia x intermediaForsythia x intermedia

  • BOTANICAL NAME: Forsythia x intermedia
  • PRONUNCIATION: for-sith'i-a in-ter-me'de-a
  • COMMON NAME: Border Forsythia
  • FAMILY: Oleaceae
  • NATIVITY:
  • GROWTH HABIT:
  • SIZE: 8 to 10' (height) by 10 - 12' (spread).
  • HARDINESS: Zone 6 - 8.
  • CULTURE: most soils, prefers full sun
  • LANDSCAPE USE: hedge (prune); plant (prune)
  • FOLIAGE: opposite, simple, toothed usuall on the upper one-half, ovate-oblong to oblong-lanceolate, 3 to 5" long, yellow fall color
  • BUDS: Imbricate, conical, light yellow-brown, loosely scaled
  • BARK: brown
  • FLOWER: Perfect, pale to deep yellow about 1 1/2", 4 lobed corollas
  • FRUIT: Two-celled, dehiscent, brown capsule, 1/3" long often housing many winged seeds
  • PROPAGATION: cuttings
  • PESTS: none serious
  • CULTIVARS: 'Arnold Brilliant' 'Arnold Giant' 'Beatrix Farrand'
University of Delaware

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