Penn State Extension

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Do You Need a Pesticide License?
Do You Need a Pesticide License? - Articles Articles
If you are considering using a pesticide, it is important to make sure you are in compliance with Pennsylvania law. More
Scouting frequently and regularly could save your crop.
Scouting for Pests and Diseases in Vegetable Crops - Articles Articles
Plant, weed, hoe, cultivate, water, plant, fertilize, water... No time to stop and take a close look for pests and diseases? Take a few minutes. It could save your crop. More
Spotted lanternfly adults on Ailanthus. Photo: Emelie Swackhamer
What To Do If You Find Spotted Lanternfly - Articles Articles
The spotted lanternfly is an invasive insect that was first found in Pennsylvania in 2014. More
Scouting frequently and regularly could save your crop.
Scouting for Pests and Diseases - Articles Articles
Plant, weed, hoe, cultivate, water, plant, fertilize, water . . . No time to stop and take a close look for pests and diseases? Take a few minutes. It could save your crop. More
How to Control Slugs
How to Control Slugs - Articles Articles

How to Control Slugs

Emelie Swackhamer

This article discusses some tactics for keeping slugs out of your crop. More
Identifying mushrooms just isn’t as easy as matching the mushroom to a picture in a book. Photo: Emelie Swackhamer
Identifying Mushrooms - Articles Articles

Identifying Mushrooms

Emelie Swackhamer

Identifying mushrooms is complicated and not easy to do. More
Choosing Plants Wisely
Choosing Plants Wisely - Articles Articles

Choosing Plants Wisely

Emelie Swackhamer

To create and maintain a healthy landscape, choose plants that are suited to the conditions in your yard. More
Introduction to Creating Healthy Landscapes
Introduction to Creating Healthy Landscapes - Articles Articles
When a plant looks unhealthy or has been injured by an insect or a mite, often our first impulse is to apply a pesticide. More
Keeping Plants Well Groomed
Keeping Plants Well Groomed - Articles Articles

Keeping Plants Well Groomed

Emelie Swackhamer

Debris that builds up in the landscape can harbor pests and plant diseases. More
Monitor Pests and Keep Records
Monitor Pests and Keep Records - Articles Articles
Inspecting your plants on a regular basis is essential to identifying and evaluating plant problems in their early stages. More
Pest Management Methods
Pest Management Methods - Articles Articles

Pest Management Methods

Emelie Swackhamer

IPM (integrated pest management) primarily consists of methods used to prevent plant problems from occurring in the first place. More
Plant with Care
Plant with Care - Articles Articles

Plant with Care

Emelie Swackhamer

One of the most important steps you can take to ensure the health and long life of your plants is to plant them correctly. More
Promote Plant Health
Promote Plant Health - Articles Articles

Promote Plant Health

Emelie Swackhamer

Healthy, vigorous plants are less vulnerable to attack by insects and disease. More
Using Trees and Shrubs for Privacy and Wind Screening
Using Trees and Shrubs for Privacy and Wind Screening - Articles Articles

Using Trees and Shrubs for Privacy and Wind Screening

Emelie Swackhamer, Jim Sellmer, Ph.D.

Residences benefit from trees and shrubs planted specifically to block unwanted views or prevailing winds. More
Transplanting or Moving Trees and Shrubs in the Landscape
Transplanting or Moving Trees and Shrubs in the Landscape - Articles Articles

Transplanting or Moving Trees and Shrubs in the Landscape

Emelie Swackhamer, Jim Sellmer, Ph.D.

When you realize that a large shrub or tree was planted in the wrong spot in your landscape what do you do? More
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