Extension Publications — Dr. Bert Cregg, Associate Professor
Recent Extension Presentations
Cregg, B. 2011. Beyond blue spruce: Uncommon conifers for Michigan Landscapes. Meadowbrook Garden Club. Rochester, MI, March 24, 2011.
Cregg, B. 2011. Effect of organic mulches on soil properties, physiology, and growth of landscape shrubs. SE Oakland County Water Authority, Bingham farms, MI, March 8, 2011.
Cregg, B. 2011. Tree selection for urban communities: natives, exotics, and common sense. Global Re-Leaf of Michigan, Midland, MI, Feb. 23, 2011.
Extension Bulletins
Schutzki, R. and B. Cregg. 2007 Abiotic plant disorders. A diagnostic guide to problem-solving. MSU Extension Bulletin E-2996. 16 pp.
Cregg, B. and R. Schutzki. 2006. Recommended ash alternatives for Michigan's Lower Peninusula. MSU Extension Bulletin E-2925. 12 pp.
"Conifer Corner" articles from the Michigan Landscape magazine
Conifers by size class:
Conifers by form class
Conifers by species
Firs
Cedars
Pines
Spruces
Hemlocks
Falsecypresses
Deciduous conifers
25 years of the Harper Conifer Collection
Conifer species profiles from the Great Lakes Christmas Tree Journal
Other topics
Conifer nutrition
Cregg. B.M. 2004.The cold truth about winter injury. The Landsculptor. February 2004. p 34-3
2003.ABC's of tree nutrition: Part 1.The Landsculptor. August 2003. p. 23-25.
Cregg, B.M. 2003. ABC's of tree nutrition: Part 2.The Landsculptor. September 2003. p. 21-23.
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