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A Guide to Successful Pruning, Evergreen Tree Pruning Calendar

ID

430-461

Authors as Published

Bonnie Lee Appleton, Extension Nursery Specialist, Virginia Tech; Susan C. French, Research Specialist, Virginia Tech

Legend:
* = Best time to prune
x = Do not prune except to correct damage, hazards, or structural defects
- = Timing is not critical

Note

  1. Seldom needs pruning - remove multiple leaders, dead and broken branches
  2. Don't prune into old wood having no leaves or needles
  3. Prune during growing season to make more compact or dense
  4. To avoid reducing berry production, don't prune during bloom period
  5. Prune to prevent oak wilt infection
  6. Prune to remove cankers
  7. Flower buds set on previous season (old) wood; winter pruning will reduce spring flowering
 JanFebMarAprMayJunJulAugSepOctNovDecNote
Arborvitae**--***xxx**1,2
Atlas Cedar**----xxxx**1,2
Deodar Cedar**--**xxxx**1,2,3
Chamaecyparis**----xxxx**1,2
Fir**----xxxx**1,2
Hemlock---****xxx--1,2,3
Holly (Evergreen)**-xxx-xxx**4
Juniper/Red Cedar**-----xxx**1,2
Leyland Cypress**----*xxx**1,2,6
Magnolia, Southern**xxxxxx--**1,7
Oak, Live**-xxxxx--**1,5
Pine---***xxx---1,2,3
Spruce----**xxx---1,3

Exception: Timing varies across USDA climate zones - zones within Virginia range from 8a in the Virginia Beach area to 5b along the West Virginia border.

Rights


Virginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.

Publisher

Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Alan L. Grant, Dean, College of Agriculture and Life Sciences; Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; Jewel E. Hairston, Administrator, 1890 Extension Program, Virginia State, Petersburg.

Date

May 1, 2009