Taxon

Quercus × rosacea 'Columna'

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Common name: columnar hybrid English oak
Family: Fagaceae (beech family)
Synonym: Quercus petraea 'Columna'
Distribution: hybrid: selection of Quercus petraea × Q. robur
Hardiness: USDA Zone 4
Life form: Deciduous tree
Comments: An upright, slow growing columnar tree with ultimate height of 40-60', spreading about 15'. Has dark blue-green, 3-5" round-lobed leaves. Narrow habit resembles fastigiate English oak but it lacks the powdery mildew problem on the leaves.
Links: International Cultivar Registrar (ICRA) for the genus QuercusRHS Horticultural Database

Locations

  • 1: OAK: BH33 (BH33) • Accession: D1992-0732.002 • Provenance: Cultivated of Garden Origin
  • 2: OAK: BJ33 (BJ33) • Accession: D1992-0732.001 • Provenance: Cultivated of Garden Origin
Cluster Area Area
Individual Individual