Bur oak blight (BOB) in Minnesota

By Jill Pokorny, United States Forest Service Update:  Here’s a May 2011 PDF fact sheet on bur oak blight (BOB), including identification and management considerations. Minnesota tree care companies, their arborists, and urban forestry professionals are advised to be on the lookout for a newly discovered disease of bur oaks. The first bonafide case of bur oak blight (BOB), confirmed […]

Continue Reading

New publication: Diseases of spruce trees in Minnesota

Announcement received today from Michelle Grabowski: Just wanted to let you know about a new tree resource. With the help of Cyndy Ash Kanner, and reviews from Joe O’Brien of the USDA Forest Service and Jim Walla of NDSU, we now have a new publication on diseases of spruce trees including photos, id info, biology and management. The spruce diagnostic […]

Continue Reading

Seasonal care for trees & shrubs: Safety

Inspect your landscape trees and shrubs often- especially after storms. After storms, hazard trees with loosely hanging branches or split trunks need to be removed as soon as possible to avoid any damage to buildings, people, and to other trees or shrubs.

At other times of the year keep a watchful eye for developing decay in trunks and roots, broken and hanging branches, dead branches or trees, an abnormally leaning tree, or anything that may indicate that a tree or part of it could fail and cause damage or injury.

Continue Reading

Plant Disease Diagnostic

Please check here to find an extensive Plant Disease Diagnostic tool created by the Forest Extensions Service at the University of Minnesota Twin Cities. There you will be able to access plant diseases from a wide range of plant types. Jordan CarlsonJordan is a Junior studying Recreational Resource Management with a minor in Forest Resources.

Continue Reading