
2020
2017
Best Planting Practices Series (PDF)
Long-Term Planting Success Often Begins with a Good Sweat
Gary Johnson
MNDOT Certified Landscape Specialist Classes (PDF)
Managing Winter Season Damage to Trees
Gary Johnson
Ramsey/Washington County Master Gardener Workshop: Oct, 2017 (PDF)
Minnesota's urban Landscapes: What's Changing? What's New? How Can Master Gardeners Contribute?
Gary Johnson
MN Landscape Arboretum Pruning Class: Feb 4, 2017 (PDF)
Pruning Young Trees: Success Stories Start at Planting
Chad Giblin
St. Paul Garden Club: Jan, 2017 (PDF)
Don't Hate Me for Not Recommeding that Tree!
Gary Johnson
Davey Tree Expert Company & UMN Landcare Developmental Training Session: Jan 24, 2017 (PDF)
Pruning Young Trees: Success Stories Start at Planting
Chad Giblin
Northern Green: Jan 11, 2017 (PDF)
Tree Planting in the 21st Century
Chad Giblin
Super Tuesday: Jan 10, 2017 (PDF)
Don't Hate Me for Not Recommending that Tree!
Chad Giblin
South Dakota Arborist's Association Conference: January 2017 (PDF)
Planting Elm Back into the Landscape: Selection and Pruning Challenges
Chad Giblin
2016
MnSTSC: March 15-16, 2016 (PDF)
Don't Hate Me for Not Recommending that Tree!
Gary Johnson and Chad Giblin
2014
MnSTAC Forum: May, 2014 (PDF)
Boulevard Tree Failures During Wind-Loading Events: One Storm - One Day - One City
Gary Johnson
Longfellow Garden Club: April, 2014 (PDF)
Big Thrills for Small Spaces: Small Trees and Shrubs for the Space-Challenged Garden
Gary Johnson
Pine County Master Gardener's Conference: Horticulture Day 2014 (PDF)
The Teeming Life Beneath Our Feet
Gary Johnson
GreenExpo (PDF)
Minimizing Storm Damage to Trees: Building Storm-Resilient Trees and Urban Forests
Gary Johnson
Master Gardener Core Course on Botany (PDF)
Plant Structure and Function
Gary Johnson
2013
Conference on Climate Adaptation: Science Museum of MN Nov 7, 2013 (PDF)
Adapting to Urban Ecosystem Changes: Urban Forestry Issues
Gary Johnson
Hennepin County MN Master Gardener Seminar: Nov 4, 2013 (PDF)
If Not Maples, Then What? The Midwest Movement to Minimize Maples
Gary Johnson
PICKM Fall Event: Kanabec History Center Oct 22, 2013 (PDF)
Tree Health in Minnesota
Gary Johnson
Rocky Mountain ISA Annual Conference: Cheyenne WY Sept 26, 2013 (PDF)
Part 1: Stress Disorders of Trees
Gary Johnson
Rocky Mountain ISA Annual Conference: Cheyenne WY Sept 26, 2013 (PDF)
Part 2: Tree and Shrub Diseases
Gary Johnson
Rocky Mountain ISA Annual Conference: Cheyenne WY Sept 26, 2013 (PDF)
Part 3: Dysfunctional Root Systems
Gary Johnson
Rocky Mountain ISA Annual Conference: Cheyenne WY Sept 27, 2013 (PDF)
Part 4: Tree Risk Assessment and Management
Gary Johnson
Rocky Mountain ISA Annual Conference: Cheyenne WY Sept 26, 2013 (PDF)
Part 5: Poor Placement Scores
Gary Johnson
2012
WWA Summer Conference (PDF)
Diagnosing Tree Problems that Don't Have 6 Legs or Spores
Gary Johnson
MNDOT Landscape Inspection & Contractor Certification School (PDF)
Strings, Wire, Burlap and Mulch: What is Known & What is Guessed at?
Gary Johnson