Recommendations for managing pests and diseases, including Fletcher scale, leafhoppers, spotted lanternfly, webworms, mites, caterpillars, pillbugs, weevils, scales, borers, beetles, aphids, moths, blight, necrosis, root rot and freeze damage.
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The past two wet years and the resulting excess soil moisture have been rough on our woody plants.
Harrisburg, PA - This spring, Pennsylvania was among 28 states where retailers received rhododendrons which may have been exposed to a plant pathogen called Phytophthora ramorum.
In response, consumers, distributors, and pesticide applicators are advised to cease the sale and use of this product. A press release by the Pennsylvania Department of Agriculture highlights the details of this unfolding story.
Green industry professionals are invited to join us to learn about woody ornamentals and how to choose them for your landscapes.
Landscape professionals and pesticide applicator license holders are invited to join us for this update!
Earn pesticide credits, network with peers, and visit with vendors at this annual conference.
Jimsonweed is an annual plant that is poisonous to animals and humans.
There was a flurry of calls coming into area Penn State Extension offices a few weeks ago about the appearance of the giant Asian hornet.
Lacewings get their name from the intricate net-like arrangement of veins on their wings. With the arrival of spring, lacewings are much more active in our landscapes.
By Ruth Benner, Lee Stivers
Bio-pesticides, also known as biological pesticides, are defined by the US EPA as pesticides derived from natural materials such as animals, plants, bacteria, fungi, and certain minerals.
By乐动体育注册 Sinclair Adam, Laura Buck Length11:36
Bio control of insects in greenhouses and nurseries is a pest management strategy that is increasing in use and application. This video covers some of the bio control agents (BCA's) that are being used in horticultural applications.
As greenhouse producers are preparing for spring and the flowers become more numerous, it is time to get ready for those dreaded thrips.
Pest management information on ornamental plants and turfgrass pests will be covered at this informative school.
Plant bugs are a large, diverse family of insects that feed by sucking sap from plants, especially parts with high rates of cell division like buds and flowers.
The yellownecked caterpillar is a key pest of shade trees. This insect is also destructive on the foliage of blueberry, apple, and other fruit trees.
Nematodes undoubtedly are the most numerous multicellular animals in the world. You can pick up a handful of soil almost anywhere and extract nematodes from it.
Green industry professionals are invited to join us for professional development and networking opportunities.
Arthropods, including plant pests and biocontrol agents, are often difficult to identify with the naked eye.
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Participate in this webinar to learn and earn pesticide recertification credits from the comfort of your home or office!
Many houseplants thrive outdoors in the summertime, but must be brought indoors before temperatures get too low. They need to readjust to conditions inside the house.
The Plant Disease Clinic, a service of the Department of Plant Pathology and Environmental Microbiology, provides clinical diagnoses of plant diseases from submitted samples.
This one-day event will provide professional managers with educational opportunities geared toward the green industry.
We hear periodic reports of sowbug and/or pillbug outbreaks in greenhouses and high tunnels in Pennsylvania.
Boxwoods have many positive qualities that make it one of the most popular shrubs in the landscape.
Four-lined plant bugs, Poecilocapsus lineatus, become active in May.