Oak, Swamp White
Planetree, London
Platanus x acerifolia
CLASS III
Quercus bicolor
J. Frank Schmidt & Son Co. photo
J. Frank Schmidt & Son Co. photo
Family
Fagaceae
Fall Color
Yellow
Family
Platanaceae
Fall Color
Yellow/brown
Form
Round
Seed
Shiny 1" acorn
Form
Round
Seed
1" global cluster
Size
30-50 ft. High 25-30 ft. Wide
Flower
See Bur Oak
Size
50-70 ft. High 35-50 ft. Wide
Flower
Inconspicuous
Characteristics Similar to Bur Oak. Leaves are more leathery and somewhat smaller. Acorn is smaller with no brush fringe. Highly prized by birds/small mammals. Hardy/ tough oak for Idaho.
Growing Conditions (Hardy in Zones 4-6)
Characteristics A towering tree at full growth. Medium green maple like leaves can be 10" across. Leaves remain on tree into December. Bark exfoliates in patches of cream, olive and brown colors beneath.
Growing Conditions (Hardy in Zones 5-6)
Water: Drought/heat tolerant in maturity
Water: Drought tolerant in maturity
Light: Full sun/partial shade
Light: Full sun/ partial shade
Soil:
Soil:
Adaptable, may have chlorosis in clay soils
Growth Rate Medium/fast 2 ft per season in good sites; life span 125-150 years.
Disease and Insect Pests Mostly free of major pests
Commonly Available Varieties American Dream®- anthracnose & mildew resistant ‘Bonnie & Mike’ Beacon® - narrow upright, disease resist
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Adaptable, tolerant of clay soil & pollution
Growth Rate Moderate/fast, nearly 2 ft per year; can be long lived to 300 years.
Disease and Insect Pests Cankerstain, twig anthracnose, borers; may frost crack in winter
Commonly Available Varieties ‘Bloodgood’ - anthracnose resistant Exclamation!® - more compact/less fruit than species
