See All Urban Forestry

Explore planning and implementing simple stewardship practices on your lot to create and enhance natural areas and make a positive impact on the environment during this series.

The Arborist Short Course is a four-day workshop designed to increase working tree knowledge and prepare participants for the ISA Certified Arborist exam.

Enjoy a guided nature walk in a fun, family-friendly setting while exploring the trees of Penn State and learning to identify the diverse species that shape its beautiful campus.

Learn the fundamentals of tree maintenance and how to safely climb trees during this in-person event.

American yellowwood, Cladrastis kentukea, is a great shade tree and a lovely flowering tree.

Gain insight into DCNR’s Urban and Community Forestry Program, including Direct Contracting funding to help communities expand and manage their tree canopy.

Become a Tree Tender and help increase the tree canopy in your community!

Strengthen your arborist skills with training in tree biology, care, and risk management while preparing for the ISA Certified Arborist exam.

After 34 years of providing educational programs and assisting communities in southeastern Pennsylvania, Urban Forester and Natural Resources Educator Julianne Schieffer has retired from Penn State.

Non-living (abiotic) stressors abound in cities and towns, making it tough for trees to grow and stay healthy.

TreePennsylvania grants are helping environmental justice communities plant trees that provide a wealth of environmental, health, and social benefits.

Managing stormwater, reducing flooding, and improving water quality.

Choosing resilient and adaptable trees for your community can ensure a healthier and fuller tree canopy for the long term.

Mulches are commonly used to enhance the beauty of landscapes, suppress weeds, conserve soil moisture, and buffer plants from the damaging effects of traffic and lawn equipment.

Mimosa webworm can cause unsightly browned foliage on honeylocust, but typically has minimal impact on tree health.

There are several situations that can trigger root problems and death of your new plant. Using preventative or correctional measures will help to ensure your plant thrives.

Street and park tree inventories provide information for the planning, design, planting, maintenance, and removal of community trees.

A Shade Tree Commission or Environmental Advisory Commission plays an important role in community management of trees and natural resources for the greatest ecosystem benefits.

A close look reveals the tree as a microcosm of a watershed.

Timber harvesting is regulated by a fraction of Pennsylvania's local governments, but more municipalities are beginning to regulate harvesting in order to maintain forests for future generations.

Over 1600 large caliper bare root trees were planted by Pennsylvania communities in Spring 2025 with help of mini-grant program.

Many insects that feed on trees cause cosmetic/aesthetic damage only. Learning the key insects that impact tree health is critical when managing urban trees.

This article covers tree parts, types of trees, how to plant trees, insects and diseases that affect trees, and more.

Designing green parking lots with large canopy trees can reduce urban heat loads, air and water pollution, and mitigate the adverse effects of climate change on our communities.

Trees and woodlands enhance beauty, property values, health, and community appeal, but many areas lack policies to protect them during development.