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O'Brien's Outdoor Services - Certifications and Training

Professional Information

As a member of the New Hampshire Landscape Association, we attend conferences and seminars throughout New England and subscribe to numerous trade publications. This continuing education process enables us to provide you with fresh ideas and the most up-to-date information on landscape design trends, products and materials.

Recent Conferences

Municipal Turf and Grounds Conference

March 19, 2014

"Emerald Ash Borer, A Forest Pest of Concern for You" - Piera Siegert (NH State Entomologist)

"Managing Landscape and Turf Insects with Minimum Impact to Bees" - Dr. Stan Swier (Northeast Pest Consulting)

"Keeping High Trafficked Athletic Fields Safe and Playable: Going Beyond Traditional Sound Agronomic Practices" - Dr. Jason Henderson (Professor, UCONN)

"Elements of a Sound Nutrient Management Plan" - Mary Owen (Turf Specialist, UMass Extension)

New Hampshire Landscape Association Spring Conference

March 12, 2014

"Phytotechnologies: Using Plants to Clean Up Contaminated Sites" - Kate Leopold

"Re-Thinking Turf Fertilization" - Eric Williams (NH DES),  Clare Ryan (NEIWPCC),  Jennifer Gornert (NH Dept. of Agriculture), Margaret Hagen (UNHCE)

Community Tree Conference: Sustaining the Trees That Sustain Our Communities

March 11, 2014


Shade and Ornamental Pest Control (G1)

Turf (G2)

Right-of-Way and Commercial

Weed and Brush Control (B)



Landscape Construction

Landscape Design

Lawn Maintenance

Licensed Pesticide Control

2010 - present

2010 - present

"The Benefits of Trees" - David Bloniarz, PhD. (USDA Forest Service)

"Establishing Trees: The Early Years" - David Lefcourt (City of Cambridge Arborist)

"Asian Longhorned Beetle: A Climber's Perspective" - Melisa LeVangie (USDA ALB Program)

Individual Seminar

January 28, 2014

"Pest Management Strategies for Trees and Shrubs" - Dr. Stanley Swier (Northeast Pest Consulting)

21st Annual Vermont Greenscape Turfgrass Conference

December 3, 2013

"Selecting Turfgrass Species and Cultivars in a Sustainable Pesticide-Free Management Program" -

Victoria Wallace

"Best Management Practices for Pesticide-Free Cool-Season Athletic Fields" - Dr. Jason Henderson (Professor, UConn)

"Managing Landscape and Turf Insects with Minimum Impacts to Bees" - Dr. Stanley Swier (Northeast Pest Consulting)

"Managing Broadleaf Weeds in Turf" - Randy Prostak (Weed Specialist, UMassExtension)

"Chinch Bugs and Billbugs" - Dr. Pat Vittum (Professor, UMass Amherst)

New Hampshire Landscape Association Conference

July 10, 2013

"Identifying Asian Longhorned Beetle and Emerald Ash Borer in the Landscape" - Kyle Lombard (NH Forest Entomologist) and Dr. Piera Siegart (NH State Entomologist) 

UMASS Extension

June 4, 2013

"Scouting for Insect and Weed Problems of Woody Ornamentals" - Randy Prostak (Weed Specialist, UMASS Extension)

New Hampshire Landscape Association Conference

March 13, 2013

"Ticks and Lyme Disease" - Alan Eaton 

John Deere Landscapes Northern Winter Conference
​February 26, 2013

"Best Disease Management Practices" - Melissa Gugliotti

"Fungus in Turf" - Todd Mason

"Turf Weed Management" - Randy Prostak (Weed Specialist, UMASS Extension)

"Tree and Shrub Diseases" - Nick Brazee

"Tree Injection Technology" - Rob Gordon

"Management of Insect Pests" - Stan Swier (Entomology Specialist, UMASS Extension)


Selected Topics for Tree Care Professionals
February 21, 2013​

"Weed Management Topics for Arborists" - Randy Prostak (Weed Specialist, UMASS Extension)
"Recovering Our Urban Forests: Update on Invasive Pests & Invasive Practices" - Rick Harper (UMA Assistant Professor)

Vermont Greenscape Association Conference
December 4, 2012​

"Turf Potpourri: Grubs, Chinchbugs, Craneflies" - Pat Vittum (Turf Entomology Specialist, UMASS Extension)

"Herbicide Failure" - Randy Prostak (Weed Specialist, UMASS Extension)

"Managing Grassy Weeds" - Randy Prostak (Weed Specialist, UMASS Extension)

"Guiding Nitrogen Fertilization for Turf" - Karl Guillard (Agronomy Professor, UCONN College of Agriculture and Natural Resources)

UMASS Extension
June 26, 2012​

"Broadleaf Weed Identification" - Randy Prostak (Weed Specialist, UMASS Extension)

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