Penn State Extension

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Topping trees results in large areas of decay and fast-growing, weak, and unattractive watersprouts.
Don't Top Trees - Articles Articles

Don't Top Trees

William Elmendorf, Ph.D.

This article explains the dangers of tree topping and what measures should be taken to prevent them. More
Opportunities for Volunteers
Opportunities for Volunteers - Articles Articles

Opportunities for Volunteers

William Elmendorf, Ph.D.

This article explains how to create successful volunteer projects that can help gain the citizen support needed to establish a comprehensive community forestry program. More
Internal decay caused from topping a tree
Pruning for Utility Line Clearance - Articles Articles

Pruning for Utility Line Clearance

William Elmendorf, Ph.D.

This article explains why utility companies prune trees, what directional pruning is, how a tree should look after it is directionally pruned, and other options for trees near powerlines. More
Questions about Trees and Utilities
Questions about Trees and Utilities - Articles Articles

Questions about Trees and Utilities

William Elmendorf, Ph.D.

This article answers five common questions about trees and utilities, and how conflicts between trees and wires can be resolved. More
Pruning Landscape Trees
Pruning Landscape Trees - Articles Articles

Pruning Landscape Trees

William Elmendorf, Ph.D.

Proper pruning of landscape trees improves their structural strength, maintains their health, enhances their beauty, and increases their value. More
Working with Local Government for Successful Urban Forests
Working with Local Government for Successful Urban Forests - Articles Articles
This article explains how citizen advocacy groups can work with community officials and develop working relationships with local leaders to put "green issues" on the agendas of local governments. More
Forest Stewardship: Backyard Trees
Forest Stewardship: Backyard Trees - Articles Articles

Forest Stewardship: Backyard Trees

William Elmendorf, Ph.D.

Trees help improve water quality, increase property values and make neighborhoods more visually appealing. This article provides tips for choosing, planting, and caring for backyard trees. More
Board-Foot, Cubic-Foot, and Cubic-Meter Volume Tables
Board-Foot, Cubic-Foot, and Cubic-Meter Volume Tables - Guides and Publications Guides and Publications
$5.00
Calculate merchantable lumber volumes of all commercially important species in Pennsylvania. More
Annual Budgets for Community Tree Programs
Annual Budgets for Community Tree Programs - Articles Articles
This article explains the essentials of budgeting for the costs of a community tree program each year. It includes a community tree budget worksheet. More
Annual Work Plans for Tree Commissions
Annual Work Plans for Tree Commissions - Articles Articles

Annual Work Plans for Tree Commissions

William Elmendorf, Ph.D.

Develop an annual work plan for a municipal tree commission to ensure public trees receive the regular care they need to remain attractive, healthy, and safe. More
Conducting a Community Tree Inventory
Conducting a Community Tree Inventory - Articles Articles

Conducting a Community Tree Inventory

William Elmendorf, Ph.D.

Street and park tree inventories provide information for the planning, design, planting, maintenance, and removal of community trees. More
Tree Tenders® Training
Tree Tenders® Training - Workshops Workshops

Tree Tenders® Training

Multiple Options Available

From: $15.00

To: $35.00

A training program that empowers concerned residents to make dramatic strides towards restoring and caring for the tree canopy in their communities. More
Community trees improve cities and towns, as seen in Philadelphia.
Community Tree Plans: A Guide for Tree Commissions and Advisory Councils - Articles Articles
This article explains planning hierarchies and putting tree planning into practice, including effective administration; analysis of hazardous trees; proper site preparation; and proper tree selection. More
Planting and After Care of Community Trees
Planting and After Care of Community Trees - Articles Articles
This publication is for people who plant trees in public landscapes, such as streets and parks, but its advice also is useful to those who plant trees around homes and businesses. More
Improving the damaged soils left behind by construction will increase the survival of trees planted.
Understanding Tree Planting in Construction-Damaged Soils - Articles Articles
This article describes fabricated soils, which can be heavily compacted, polluted, and unfertile, full of trash and debris and have unhealthy high or low pH ranges. More
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