Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888
arboretum@boonecountyky.org

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Cultural Details for Juniperus virginiana 'Grey Owl'

Common Name:
Grey Owl Eastern Redcedar

Growth Rate:
Medium.

Average Mature Height:
3'

Average Mature Width:
6'

Flower Details:
Pistillate green flowers; interesting in late winter, February into March, when the staminate yellow-brown cones are swelling and starting to release pollen.

Fruit Details:
Sets abundant cones; globular or ovoid, up to 0.25" across, brownish violet, glaucous bloomy, ripening in the first season; seeds 1-2, ovoid, small, apex blunt-angular, deeply pitted, shining brown.

Fall Color:
Medium green, sage-green to blue-green in summer often becoming bronze to yellow-brown in winter, variable from tree to tree.

Bark Details:
A handsome grayish to reddish brown, exfoliating in long strips.

Disease / Insect Problems or Resistance:
Cedar apple rust and bagworms.

Native Habitat:
East and central North America, east of the Rocky Mountains. Introduced before 1664.

Other Features:
FEMALE form. Soft silvery gray foliage attractive year round.

Culture and Care:
Tolerant of adverse conditions, poor gravelly soils; acid and high pH soils; prefers a sunny, airy location, and a deep moist loam on well-drained subsoil; observations indicate this species thrives in limestone based soils. Zone 3b to 9.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
Bed 142, Bed 143

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets. www.ces.ncsu.edu
  • University of Connecticut Plant Database. www.hort.uconn.edu