Forest Health: Overview
Forest health is affected by insect outbreaks, diseases, invasive species, regeneration, fire ecology, natural disturbance, and many other factors. Not all insects and diseases are bad. Native insects...
View ArticleForest health: Insects
A review of categories of insects affecting tree and forest health: Defoliators, borers, sap-sucking insects, root-feeding insects, cone- and seed-destroying insects, and non-native invaders.
View ArticleThe Well Planted Tree
A document produced by Krystal Schaufler, Doug Courneya, Gary Johnson, Jeff Gillman, Patrick Weicherding, Carole Kinion Copeland Click to view document as a PDF: The Well Planted Tree This document...
View ArticleHow to Plant a Tree
Stephen Schott, Graduate Research Assistant, University of Minnesota Department of Forest Resources Planting a tree is a great investment that pays off in many ways. Trees add value to property, lower...
View ArticleWill Fill Kill?
The truth about adding soil over the roots of existing landscape trees. By Rebecca Koetter and Gary R. Johnson No, the title “Will Fill Kill?” has nothing to do with people’s propensity to stuff their...
View ArticleMinnesota Law and Trees
A Layperson’s Guide Note: These fact sheets pertain to the law in Minnesota at the time of their writing in the mid 2000s. The information they contain may not necessarily apply in other states, and...
View ArticleWinter Damage to Trees and Shrubs: Good sources of info
It’s not just the cold! Trees also have to survive salt, ice, de-icers, hungry wildlife, and more. Here are a few good pubs on preventing winter damage to trees from these and other sources:...
View ArticleSidewalk and Tree Conflicts
To Care for Trees IS to Care for Sidewalks By Becky Mellentin and Lorrie Stromme, reviewed by MPRB. Based on research from May through July, 2000, by Northeast Minneapolis residents and property...
View ArticleStem Girdling Roots: The underground epidemic killing our trees
Download Stem Girdling Roots: The underground epidemic killing our trees (PDF) Gary Johnson, Professor, Urban and Community Forestry, Department of Forest Resources, St. Paul, MN; Dennis Fallon,...
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