Glen Lumis

Ontario Landscape Tree Planting Guide
Dec 1, 2019

Green professional gamechanger: Ontario Landscape Tree Planting Guide

The Ontario Landscape Tree Planting Guide captures years of research from around the world on tree survival and establishment in challenging environments.
Oct 15, 2019

Ontario Landscape Tree Planting Guide now available

Free document is the most comprehensive guide ever developed.
Jun 15, 2017

New Canadian Nursery Stock Standard released

Latest edition to also be part of Canadian Landscape Standard.
Glen Lumis and Paul Zammit.
May 15, 2017

Ready for spring

Golden Horseshoe Chapter event draws over 400 landscape pros.
Figure 1: Field studies compared various fertilizer applications.
Jan 15, 2017

Nursery growers demonstrate ways to conserve nutrient inputs

Fertilizer placement study helps to reduce usage and conserve nutrients.
Verbinnen’s Nursery grows about 120 varieties of native trees and shrubs on 26 acres near Dundas.
Oct 15, 2013

Native beauty appreciated in John Verbinnen’s world

Nursery grower, John Verbinnen is a man of passion.
City-tolerant trees are in short supply.
Jan 15, 2010

Team to examine alternatives to ash and Norway maple

Landscape Ontario, through its growers' group, has created a working committee to examine alternative trees that will perform well in urban Ontario landscapes.
Sep 1, 2001

Research paper named best published
© 2025 Landscape Ontario Horticultural Trades Association