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Thielaviopsis basicola (Berk. & Br.) Ferraris is a soil-inhabiting fungus that can cause root rot and branch dieback on a number of woody and herbaceous plants.

The fungus Botryosphaeria can cause a branch dieback on many woody ornamentals.

Learn to identify common invasive plants and distinguish them from native trees during this informative walk designed for forest owners and native plant enthusiasts.

Spring has sprung and while the change is welcome, it is often when horticulturists see problems emerge that gained a foothold last year.

Lycorma delicatula, commonly known as the spotted lanternfly (SLF), is an invasive insect pest present in Pennsylvania and some other eastern states. SLF threatens grape production and tree health and is a nuisance in landscapes.

El celastro (Celastrus orbiculatus) es una enredadera leñosa, perenne e invasora. Este artículo presenta imágenes para facilitar su identificación y ofrece recomendaciones para su control, incluyendo un calendario de manejo y una tabla con tratamientos de control y tiempos sugeridos.

Callery pear was added to the Pennsylvania noxious weed list in 2024.

The public can do a great deal to stop the spread of the invasive Spotted Lanternfly, join us to learn what you can do to help!

The kiwi fruit, once referred to as the "Chinese gooseberry," has been grown and collected from the wild for centuries in Asia, and is now commonly available in the Western world.

Chainsaws are indispensable tools for a variety of professionals, from arborists to landscapers to forestry workers.

Learn how to select planting sites and care for native trees and shrubs to ensure successful growth, with a focus on containerized species in the 2025 native tree and shrub sale.

A guide that reviews the identification, life cycle, and techniques for managing SLF. While it can cause significant damage to plants, it is a nuisance pest in the ornamental and landscape industries.

Publication providing comprehensive details on the spotted lanternfly, including identification and life cycle; quarantine and distribution; host range, phenology, and damage; and management.

Attention, landscapers and grounds managers! Join us for a review of pesticide safety topics and an update on ornamental plant pests encountered this year.

Our long history with the white pine continues as modern diseases take root.

Integrating drones into pest management strategies, even at scales as small as a single tree, represents an evolution of agriculture and urban forestry.

Looking for another large native shrub that creates a woodland edge effect? One that adds interest to the landscape when no other plants are blooming?

Whether you just planted one tree or seventy five this spring, having a plan to care for them is key to their survival.

Soil pH is often overlooked when selecting landscape ornamentals for installation.

Carry an array of equipment and tools with you to accurately diagnose the problems arising in the landscape.

This beautiful shrub is a lovely addition to an understory planting, shrub border, or even native landscape.

Many residents attempt to control spotted lanternflies by placing sticky bands on tree trunks. This method of trapping should never be used without a wildlife barrier.

It is almost time to use traps to protect your trees from spotted lanternflies. Get ready now so you can trap lots of spotted lanternflies safely.

Asian pears are considerably different from the old, hard, European varieties like Keiffer and Seckel.

One of my favorite native trees from back in my forestry days is Carpinus caroliniana, or American hornbeam, blue beech, or musclewood.