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Douglas-Fir (Pseudotsuga): Armillaria Root Disease USFS Armillaria Root Rot Christmas Tree Pest Manual (USFS) Disease Management Recommendations for Trees and Shrubs (Swiss Needlecast) Dwarfmistletoe of Douglas-fir Insecticide Suggestions to Manage... Read More »
Apple/Crabapple (Malus): Aphids on Deciduous Trees and Shrubs Apple Maggot Management Apple Scab Disease Management Recommendations for Trees and Shrubs (Black Rot Canker, Cedar-Apple Rust, Fireblight, Frog-eye Leaf Spot, Powdery... Read More »
buckthorn berries and leavesJune 25 in Brainerd, MN & June 27 in Schroeder, MN Calling all volunteers from the Minnesota Master Naturalist, Master Gardener, Forest Pest First Detector and other programs! As you... Read More »
water quality workshopWe are excited to announce two major workshops in Summer 2014 to understand the how perennial plantings/systems can improve water quality. Save the dates! Fairmont, MN: June 24, 2014 Glenwood,... Read More »
Cold temps and EAB, summary of winter lows for 3 MN sitesBy Eli Sagor, University of Minnesota Extension A few weeks ago the local and national media ran a number of hopeful stories about the effect of this year’s deep cold... Read More »
52nd Annual Minnesota Shade Tree Short Course March 18-19, 2014 Bethel University, Arden Hills   Register Online Now   The 2014 Minnesota Shade Tree Short Course: It’s about Preservation. “Preservation,”... Read More »
Photo: Fifth-graders at Chelsea Heights (k-5) planting an amelanchier (common: Serviceberry).This site is one of five sites included in a three-year study which partners the cities of St. Paul, Falcon Heights and Shakopee with the U of M in species trial for some trees developed in the “gravel bed” culture.By Sean Peterson It’s a cool Halloween day at Chelsea Heights (K-5) School in St. Paul Minnesota. Tom Altman’s 5th grade science class is here to plant trees. More specifically,... Read More »
These workshops are for anyone who wants the latest in-depth information about new invasive pests that affect Minnesota’s landscape trees and urban and rural forests. The 2014 workshops will include... Read More »
Urban and Community ForestryThe urban forest includes all of the natural resources in an urban area – plants, soil, water, animals – and is often referred to as the “green infrastructure” of a... Read More »
Emerald ash borer (EAB) is a devastating wood-boring tree pest that has killed millions of trees in the eastern and central U.S. While EAB is all but impossible to eradicate... Read More »
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