Crataegus phaenopyrum

Washington Hawthorn

Rosaceae

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Habitat

  • native range is Virginia to Alabama
  • hardy to zone 4

Habit and Form

  • a medium-sized deciduous tree
  • 25' to 30' tall
  • 20' to 25' wide
  • broad, rounded tree
  • medium texture

Summer Foliage

  • simple, lobed leaves
  • alternate leaf arrangement
  • leaves emerge reddish and mature to a dark green
  • serrated leaf margins
  • 1" to 3" long
  • about two-thirds as wide
  • subcordate leaf base

Autumn Foliage

  • orange to red fall color
  • moderately showy

Flowers

  • white flowers
  • 0.5" in diameter
  • blooms early in June
  • short bloom time only 7 to 10 days

Fruit

  • a red pome
  • 0.25" in diameter
  • matures Sept. to October
  • persist through the winter
  • birds eat fruit

Bark

  • stems are slender and brown
  • 1" to 3" long thorns along stems
  • mature bark is "apple-like"

Culture

  • easy to grow
  • prefers moist, fertile soil
  • prune tolerant
  • full sun is best

Landscape Use

  • specimen tree
  • screen border
  • prune into hedge

Liabilities

  • thorns can be hazardous
  • tends to have many pest problems similar to apple trees

ID Features

  • 1" to 3" long thorns along stems
  • a medium-sized deciduous tree
  • 25' to 30' tall and 20' to 25' wide
  • broad, rounded tree
  • simple, lobed leaves

Propagation

  • by cuttings

Cultivars/Varieties

'Fastigiata' and 'Princeton Sentry' (Princeton Sentry™) - These are fastigiate forms with columnar habits, to 30' tall and 20' wide. 'Princeton Sentry' has almost thornless branches.

'Vaughn' (also seen as x 'Vaughnii') - A hybrid with C. crusgalli, this small tree has exceptional red fruit that is long-lasting and borne profusely. There are different reports concerning its disease susceptibility, however, with some claiming heavy incidence of rust.

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.