Quercus bicolor - Swamp White Oak
Quercus bicolor - Swamp White Oak - Photo courtesy of J. Frank Schmidt & Son Co.
Quercus bicolor - Swamp White Oak - Photo courtesy of J. Frank Schmidt & Son Co.

Swamp White Oak

Quercus bicolor

  • Pyramidal when young, maturing to a broad, rounded crown
  • Leaves are glossy, dark green on top and silvery-white underneath
  • Insignificant flowers (catkins) are followed by oval acorns
  • Fall colours are yellow to shades of reddish-purple

ZONE:
4

COLOUR:
Green

HEIGHT:
15-18 m

SPREAD:
15-18 m

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Growing and Maintenance Tips:


This oak is more tolerant of wet areas, making it suitable for landscapes with lower elevations or sites that are consistently wet.

Do not prune Oaks during the growing season. Oaks are highly susceptible to Oak Wilt, which is spread by a sap beetle that is attracted to fresh wounds. Prune oaks only during the dormant season in winter after the leaves have fallen. Oak Wilt can kill a mature Oak within one season. 

Additional Notes about Swamp White Oak:


Native to Ontario and parts of North America. Larval and foliar host for hundreds of species of insects! Swamp White Oak acorns are sweeter than Red Oak acorns, so a preferred food for wild turkeys, jays, wild ducks, grouse, and of course, squirrels and chipmunks. When desperate, deer and rabbits will browse the young twigs. The flaky bark provides cover for many insects and spiders, which attract and feed more birds.

Characteristics & Attributes


GROWTH RATE:
Medium
ATTRIBUTES:
Fall Color
Deciduous
FLOWERING TIME:
Spring
FOLIAGE COLOR:
Purple
Yellow
Red
Green (dark)
LANDSCAPE USES:
Specimen
Naturalizing