Dr. Bert Cregg, Associate Professor

Dr. Bert Cregg conducts research and extension programs on tree physiology and management of nursery, landscape, and Christmas tree systems.

Dr. Cregg's key research and extension program areas include:

  • Urban tree selection in a changing climate
  • Environmental control of cone production in Fraser fir Christmas tree production
  • Water and nutrient management of shade trees and conifers in Pot-in-Pot production
  • Promotion of increased tree species diveristy in urban and community forests
  • Ornamental conifers


Ph.D. Forest Resources, University of Georgia, 1990.
MPA. Public Administration, University of Nebraska, 1995.
M.S. Forest Science, Oklahoma State University, 1986.
B.S. Forest Management, Washington State University, 1983.
A.S. Forestry, Centralia College, 1980.

Professional Experience

Associate Professor (2003-present) Assistant Professor (1999-2003) Department of Horticulture and Department of Forestry, Michigan State University

Tree Physiology Project Leader (1996-1999) Forest Resources Group, International Paper, Savannah, GA

Research Plant Physiologist (1990-1996) USDA Forest Service, Rocky Mountain Research Station, National Agroforestry Center, Lincoln, NE


Research: 50%
Extension: 50%

Dr. Bert  Cregg, Associate Professor

Dr. Bert Cregg
Associate Professor

A214 Plant & Soil Sciences Building
East Lansing MI 48824-1325

Phone: (517) 355-5191 x 1335
Fax: (517) 353-0890

Email: cregg@msu.edu