College of Agriculture, Health and Natural Resources

Plant Database

Corylopsis pauciflora

Buttercup Winterhazel

Hamamelidaceae

Buttercup WinterhazelButtercup Winterhazel
Expand

Habitat

  • native to Japan and Taiwan
  • hardy to zone 6

Habit and Form

  • a deciduous shrub
  • small to medium size (4' to 6' tall)
  • width is just as great
  • multistemmed
  • slow growth rate
  • medium texture

Summer Foliage

  • alternate leaf arrangement
  • simple, deciduous leaves
  • ovate leaf shape
  • 2" to 4" in length
  • cordate leaf base
  • dentate leaf margin
  • dark green leaf color

Autumn Foliage

  • yellow to golden fall color

Flowers

  • yellow flowers
  • fragrant
  • 2-5 blooms dangle on an inflorescence
  • flowers early Spring

Fruit

  • dehiscent capsule
  • not ornamentally important

Bark

  • brown, slender stems
  • zigzag stem pattern
  • lenticels

Culture

  • readily transplanted from containers
  • prefers moist, acidic, well-drained soil
  • full sun to light shade
  • prune after flowering, if needed
  • shelter from winter wind and late frosts

Landscape Use

  • early flowers and fragrance
  • massing or grouping
  • shrub borders or specimen
  • small size well suited to landscapes
  • good alternative to Forsythia
  • use with Rhododendron mucronulatum

Liabilities

  • late frost can kill flower buds
  • not as hardy as C. glabrescens
  • often expensive, difficult to locate

ID Features

  • a deciduous shrub of low spreading habit
  • greenish-brown, sessile buds
  • zigzag stem pattern
  • yellow, fragrant flowers in late winter
  • blooms dangle in small chain
  • alternate leaf arrangement
  • cordate leaf base

Propagation

  • by seed
  • by cuttings

Cultivars/Varieties

  • none

© 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, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.