College of Agriculture, Health and Natural Resources

Plant Database

Chamaecyparis thyoides

Atlantic Whitecedar, Whitecedar Falsecypress

Cupressaceae

Atlantic Whitecedar, Whitecedar FalsecypressAtlantic Whitecedar, Whitecedar FalsecypressAtlantic Whitecedar, Whitecedar FalsecypressAtlantic Whitecedar, Whitecedar Falsecypress
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Habitat

  • native to eastern United States
  • hardy to zone 4

Habit and Form

  • an evergreen tree
  • narrow, columnar form
  • up to 50' tall and only 10' to 20' wide
  • medium growth rate
  • medium texture

Summer Foliage

  • bright to bluish-green needles
  • sharply pointed
  • leaves turn brown second year and persist
  • leaves are very small

Autumn Foliage

  • no autumn color
  • brown needles persist on branches for several years

Flowers

  • not of ornamental importance
  • monoecious

Fruit

  • brown cones
  • cones are clustered on small branchlets
  • 0.25" across

Bark

  • light gray to reddish brown bark
  • irregularly furrowed
  • very thin, spreading branches

Culture

  • prefers deep, moist, sandy soil
  • best in full sun
  • naturally grows in swamps and bogs

Landscape Use

  • lawn tree
  • for evergreen features
  • specimen
  • naturalized area
  • wet sites

Liabilities

  • no serious pests
  • retains dead needles

ID Features

  • scale-like leaves
  • white markings typical of chamaecyparis
  • bluish-green leaf color
  • small brown cones
  • irregularly furrowed bark
  • retains dead leaves

Propagation

  • by cuttings
  • by seed

Cultivars/Varieties

'Andelyensis' - This form slowly reaches 10' tall, with a wide pyramidal habit. The foliage is verdant green in summer, purpish in winter.

'Aurea' - Conical form to 15' with yellow foliage, bronzy in winter.

'Ericoides' - An interesting juvenile form with needle-like foliage that is a blue-green color. The leaves turn a pronounced purplish hue in winter, and the plant should only reach 6' tall.

'Little Jamie' - A conical form that grows very slowy to 4'. Foliage traits similar to 'Andelyensis'.

Various blue-foliaged forms are occasionally available, including 'Glauca', 'Blue Sport' and 'Hopkinton'.

'Variegata' - Foliage bears flecks and spots of gold, needs shade.

© 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.