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 scopulorum 'Skyrocket'

Common Name:
Skyrocket Juniper

Growth Rate:
Slow, most of the J. scopulorum cultivars will average 6-12" per year.

Average Mature Height:
15'

Average Mature Width:
2'

Flower Details:
Monoecious or dioecious; male has 6 stamens

Fruit Details:
Cones nearly globular, to 0.33" across, dark blue, ripening in the second year, containing 2 triangular, reddish brown, prominently angled, grooved seeds

Fall Color:
Bluish green mostly acicular needles

Bark Details:
Reddish brown or gray, shredding but persistent.

Disease / Insect Problems or Resistance:
Phomopsis blight, canker caused by Botryosphaeria stevensii, also serves as an alternate host for cedar apple rust.

Native Habitat:
Dry, rocky ridges, on the eastern foothills of the Rocky Mountains from Alberta to Texas, westward to the coast of British Columbia and Washington, and to eastern Oregon, Nevada, and northern Arizona. Introduced 1836.

Other Features:
Probably the most narrow columnar juniper available, a 15' plant may be only 2' wide at base. Reminds of a blue rocket sitting on the launching pad.

Culture and Care:
Withstands drought conditions very well, same requirements as other Juniperus. Roots readily from cuttings.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
8648, 8649, 8650

    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