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Photo credit: Alyssa Collins
Preserving Your Tomato Harvest - Articles Articles
In late summer many gardeners enjoy a bountiful tomato harvest. This article explores the options for preserving this versatile vegetable. More
Before beginning their fall migration to Mexico, monarchs store up food from nectar-producing plants, such as this black-eyed Susan (Rudbeckia hirta). Photo credit: Debby Luquette
Fall-Migrating Monarchs - Articles Articles

Fall-Migrating Monarchs

Debby Luquette

The monarch butterfly is known for its long migration journey to Mexico. You can help support monarch populations by adding host plants and nectar sources to your garden. More
Coreopsis. Photo credit: Mark Krotulski
Great Plants for Fall Color - Articles Articles

Great Plants for Fall Color

Connie Holland

This article describes a number of flowers and foliage plants that do not typically come to mind when we think of autumn color. More
Photo credit: Nancy Knauss
Gardening Facts and Fiction - Articles Articles

Gardening Facts and Fiction

Pamela T. Hubbard

Some gardening rules are myths: misconceptions passed down through the ages. This article takes a look at the real truth behind some common, but misguided, garden beliefs. More
Jumping Earthworm (Amynthas spp.) Photo credit: Nancy Knauss
Look Out for Jumping Earthworms! - Articles Articles
An aggressive Asian earthworm is negatively impacting our gardens and ecosystem. Find out how to recognize this invasive species and help limit its spread. More
The Chinese chestnut tree in full bloom can be very attractive. Photo: Tom Butzler, Penn State
Trees in the Landscape: The Stinkers - Articles Articles
We place trees and shrubs in the landscape for a variety of reasons; fall color, flowers, shade, winter interest, and fruiting characteristics. And let’s not forget the smell. More
Choosing a Qualified Pest Management or Lawn Care Company
Choosing a Qualified Pest Management or Lawn Care Company - Articles Articles
When you discover a pest problem in or around your home, the first step is to identify the pest. More
Spotted Lanternfly Grape Pest Alert
Spotted Lanternfly Grape Pest Alert - Articles Articles

Spotted Lanternfly Grape Pest Alert

Heather L Leach, Michela Centinari, Ph.D.

This fact sheet provides identification, damage, quarantine, and management information for the spotted lanternfly, an invasive sap-feeding planthopper that feeds on the vine trunk, shoots, and leaves of grape plants, among other crops. More
Photo credit: Nancy Knauss
Understanding Garden Terminology - Articles Articles
As you shop for plants and seeds, understanding plant terminology will help you make better choices. This article explains some of the more common terms you will find in catalogs and at nurseries. More
Photo credit: F.D. Richards CC BY-SA 2.0
Orienpet Lilies are Show-Stoppers in the Garden - Articles Articles
Orienpet, or OT, lilies combine the best characteristics of Oriental and trumpet lilies. This article discusses their care along with recommended cultivars and companions. More
Japanese beetle damage on rose foliage. Photo credit: Lois Miklas
Simple Strategies to Deal with Garden Pests, Diseases - Articles Articles
You can create a relatively pest and disease free garden if you believe that ‘perfect’ plants are not the absolute goal of gardening and that all insects are not out to get you. More
Adult spotted lanternflies. Photo Credit: E. Smyers
Spotted Lanternfly Management for Homeowners - Articles Articles

Spotted Lanternfly Management for Homeowners

Heather L Leach, Dave Biddinger, Ph.D., Grzegorz (Greg) Krawczyk, Ph.D.

A guide that reviews the identification, life cycle, current distribution, and techniques for managing spotted lanternfly on your property. More
Photo credit: Laura Nicholas
Grow Your Own Lemons - Articles Articles

Grow Your Own Lemons

Laura Nicholas

Lemons can be grown as a container plant, even in Pennsylvania. Find out how to cultivate lemons from blossom to ripe fruit in this article. More
Ostrich Fern, Photo credit: Louise Brewer
Gardening with Ferns - Articles Articles

Gardening with Ferns

Mary Ann Ziemba

Ferns may be the best solution for problem spots in shady gardens. Find out how different types of ferns can be used in the landscape. More
Lacewings are close relatives of dobsonflies and fishflies, all found within the insect order Neuroptera, also known as the net-winged insects. Photo: Amy Korman, Penn State
Promoting Beneficial Insects in the Landscape: Lacewings - Articles Articles
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. More
Figure 1. Caterpillar or sawfly? Accurate identification of the pest is critical when using bio-insecticides. Bt products will control small caterpillars, but would be ineffective on the sawfly larva shown in this photo.
Bio-insecticides in Greenhouse Ornamentals - Articles Articles

Bio-insecticides in Greenhouse Ornamentals

Lee Stivers, Ruth Benner

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. More
Photo credit: Mark Krotulski
Growing Vegetables and Flowers in Containers - Articles Articles
Container gardening is ideal for small spaces, or can be used to emphasize plants seasonally. This article discusses appropriate plants, soil, and types of containers to use. More
Photo credit: Tim Elkner
The Dirt on Dahlias - Articles Articles

The Dirt on Dahlias

Mary Reefer

Dahlias are showy flowers that brighten the summer garden. Learn how to grow them and save the tubers for future years. More
A lotus flower form of a tree peony, 'Guardian of the Monastery', Photo credit: TJ Mrazik
The Beloved Peony - Articles Articles

The Beloved Peony

Thomas Mrazik

Peony flowers have richness unlike any others. Home gardeners can create an exquisite and long-lasting display by understanding the types of peonies available and the proper planting requirements. More
Close-up of fringetree flowers which have some fragrance to them. Photo: Mike Masiuk, Penn State
Spring Floral Display: Chionanthus Virginicus, White Fringetree - Articles Articles
Although the common name, white fringetree, alludes to a tree, it is often treated as a large shrub in the landscape, reaching a range of anywhere from 12 to 20 feet. More
This penstemon flower offers bees a landing pad and nectar guides. Photo by Connie Schmotzer
Pollination and Pollinators - Articles Articles

Pollination and Pollinators

Constance Schmotzer

Pollination is the transfer of pollen from the anthers of a flower to the stigma of the same flower or another flower. The result is the production of fertile seeds. More
A successful pollinator garden includes a diversity of plants. Photo by Connie Schmotzer
Planting Pollinator-Friendly Gardens - Articles Articles
One of the most important ways you can help pollinators is by provisioning your yard with plants that provide pollen and nectar. To attract butterflies, you will also need to include a variety of larval host plants for caterpillars to eat. More
Photo credit: Nancy Knauss
Plan for a Standout Lawn - Articles Articles

Plan for a Standout Lawn

Maureen Karl

This article discusses soil tests, fertilizers, mowing, and watering recommendations to maintain a healthy lawn. More
Rain barrel workshops are often held for home gardeners in Pennsylvania. Photo credit: Erin Frederick
Rain Barrels in the Home Garden - Articles Articles
Rain barrels are effective tools for managing storm water. This article recommends rain barrel size, care, and how the water should be used in your garden. More
Mulching Landscape Trees
Mulching Landscape Trees - Articles Articles

Mulching Landscape Trees

David R. Jackson

Mulches are materials placed over the soil surface to enhance landscape beauty, improve soil conditions, protect plants from foot traffic and lawn equipment, and suppress weeds. More
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