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Arnold hawthorn

Scientific Name: Crataegus ×anomala

Family: Rosaceae

Category: Dicot

Growth: Tree

Duration: Perennial

Other Names:

       

Arnold Hawthorn (Crataegus arnoldiana)

Arnold Hawthorn, also known as Crataegus x anomala, is a small, attractive tree prized for its ornamental qualities.

Considerations for Pets and Children

  • This tree has thorny stems, which could pose a risk of injury.
  • The tree produces red fruits, which might be tempting to children or pets.

Taxonomy and Nomenclature

  • Scientific Name: Crataegus arnoldiana
  • Synonym: Crataegus x anomala Sarg.
  • Also referenced as Crataegus mollis arnoldiana
  • Related to: Crataegus mollis Scheele (Downy Hawthorn)
  • Family: Rosaceae (Rose Family)

Distribution and Habitat

  • Native to the Northeastern United States and eastern Canada.
  • Found growing naturally in thickets, such as in the Arnold Arboretum in West Medford, Connecticut.
  • Often cultivated in parks and gardens.
  • Thrives in North Dakota, including in its larger cities.

Morphological Characteristics

  • Deciduous shrub or small tree.
  • Typically reaches a height of 14-20 feet (approximately 4-6 meters).
  • May grow up to 6 metres in height and have a crown width of 4 to 6 metres.
  • Has a broadly rounded shape with low-branched, wide-spreading, horizontal branches.
  • Leaves are simple, oval-shaped, 1.5 to 3 cm long with serrated edges.
  • Bark characteristics were not included.
  • Produces white flower clusters.
  • Followed by red fruit.

Growing Conditions

  • Suitable for light (sandy), medium (loamy), and heavy (clay) soils.
  • Can grow in heavy clay soil.
  • Prefers moist or wet soil.
  • Can tolerate drought.
  • Hardiness Zone 3.
  • Can be grown in the garden throughout the whole year.
  • Doesn't fear cold weather and it bears very harsh minimum temperatures.

Quirky Facts

  • Some varieties of this Hawthorn produce large, red cherry-like fruits.

Interactions with Other Organisms

  • Susceptible to hawthorn mealybug. English hawthorn and Thornless cockspur hawthorn are also mentioned in relation to overwintering stages of this insect.

Further Information

  • USDA NRCS National Plant Data Center: http://plants.usda.gov/java/profile?symbol=CRAN6
  • Lady Bird Johnson Wildflower Center
  • Dave's Garden