July 16, 2009
Millions of dollars are spent each year designing, implementing, and maintaining urban landscapes. Urban landscaping presents unique challenges such as the physiological problem of plants growing in urban environments, working with municipalities to assess and manage their green infrastructure, developing technologies appropriate for city use, and caring for the environment through not only field work but also publications, websites, face-to-face meetings, and conferences. Yet the quality of life benefits of proper urban landscaping are dramatic. Problems can be avoided or reduced by utilizing sustainable landscape practices. By using BMPs, cities and towns can transform the urban forest into a rainwater mitigation asset and enable large tree growth. Tree stock selection goes a long way towards the long-term health and success of urban trees. Whether balled and burlap, containerized, or bareroot, it’s the roots that suffer when trees are transplanted.
Urban Landscaping- Part II: Tree Stock Resource List
Jim Urban, JimUrban Associates (Annapolis, MD)
Jim Urban’s work is constantly evolving the field of urban landscaping. A recent advancement that he is now pioneering is a modular, pre-engineered cell system designed specifically to meet the needs of water management soil and tree roots. It’s called the Silva Cell. The system is designed to create large spaces under the pavement, and the pavement is supported and protected from root damage by the cell structure. The system’s modular design fits irregular urban conditions. Approximately 95% of the space within the cells is available for tree-rooting soil.
Sue Probart, Executive Director, Tree New Mexico (Albuquerque, NM)
Tree New Mexico operates one of the most successful tree stewardship operations in the country focused on getting good native stock back into the ground. Annually, they’re responsible for the planting and care of 3,000 to 5,000 trees and at least a dozen different species in collaboration with various communities, neighborhood associations, public housing units, highway plantings, and other public green spaces. Selecting tree stock is one of several a major decisions that affect successful plantings. Learn why Tree New Mexico mainly uses containerized trees.
Webcast attendees will learn:
* Understanding the whole process from design to care.
* Species selection based on rainwater availability, UHI, water temperature, and social and economic health of urban communities.
* Species selection based on rooting area, utility conflicts, and project budget.
* Species selection for size-friendliness, volunteer abilities, and maintenance.
About the Third Thursday Webcast Series
The Third Thursday Webcast Series is the Alliance for Community Trees’ monthly webcast series held at the lunch hour and made possible through support from The Home Depot Foundation and USDA Forest Service. The goal is to create informal training opportunities for local urban and community forestry organizations. The content is geared to mainly serve the needs of volunteer organizations and community groups, although webcasts are open to all.
The trainings leverage local successes by amplifying to a larger audience the model organizations’ methods, materials, and approaches. Sessions are planned to last no more than one hour, with two presenters speaking on the same topic from slightly different perspectives, each for 10-15 minutes, followed by 10-15 minutes of questions and answers.
CEU Approved: 1 Hour
CFE Category 1 Approved: 1 Hour