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Photo credit: Kim Frey
Evaluating the Garden - Articles Articles

Evaluating the Garden

Pamela T. Hubbard

Winter is the perfect time to reflect on the successes and disappointments of last year's garden. More
Soil Management in Home Gardens and Landscapes
Soil Management in Home Gardens and Landscapes - Articles Articles

Soil Management in Home Gardens and Landscapes

Jim Sellmer, Ph.D., David Lee Sanford, Ph.D., J. Robert Nuss

This publication explores the interrelationship of a plant and the soil in which it is rooted. More
Rain Gardens - the Plants
Rain Gardens - the Plants - Articles Articles
Suggested plant material (trees, shrubs and perennials) for the three rain garden zones. More
Oakleaf hydrangea in full bloom. Notice the shape of the leaves. Photo: T. Butzler, Penn State
A Guide for Selecting Shrubs for Pennsylvania Landscapes - Articles Articles

A Guide for Selecting Shrubs for Pennsylvania Landscapes

Jim Sellmer, Ph.D., J. Robert Nuss

Information for over 100 shrubs, including: the selection and aesthetic qualities of shrubs, and shrubs for specific conditions. More
Home, Lawn and Garden Integrated Pest Management (IPM)
Home, Lawn and Garden Integrated Pest Management (IPM) - Articles Articles
IPM is not a practice limited to commercial and agricultural situations. It can also be used by the general public throughout our community. More
Shade Tolerant Trees, Shrubs, and Groundcovers
Shade Tolerant Trees, Shrubs, and Groundcovers - Articles Articles

Shade Tolerant Trees, Shrubs, and Groundcovers

Jim Sellmer, Ph.D., Scott Guiser

Most plants grow best in full sunlight and all plants need some light to survive. More
Trees, Shrubs, and Groundcovers Tolerant of Dry Sites
Trees, Shrubs, and Groundcovers Tolerant of Dry Sites - Articles Articles

Trees, Shrubs, and Groundcovers Tolerant of Dry Sites

Jim Sellmer, Ph.D., J. Robert Nuss, Scott Guiser

Dry soil can exist when there is simply not enough water to supply plant roots in a growing area. More
Trees, Shrubs, and Groundcovers Tolerant of Wet Sites
Trees, Shrubs, and Groundcovers Tolerant of Wet Sites - Articles Articles

Trees, Shrubs, and Groundcovers Tolerant of Wet Sites

Jim Sellmer, Ph.D., J. Robert Nuss, Scott Guiser

Very few plants will grow when soil is constantly saturated; however, some trees, shrubs, and ground covers are more tolerant of wet sites than others. 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
All of plants shown here are in containers, plus many that cannot be seen in this image. It would be nearly impossible to keep them all watered properly without an irrigation system.
Building and Operating a Home Container Irrigation System - Articles Articles

Building and Operating a Home Container Irrigation System

Tom Butzler, Thomas Maloney, Darryl Dressler

Keeping many pots of flowers and vegetables watered consistently including when you are on vacation requires the installation of an irrigation system. More
Repotting Houseplants
Repotting Houseplants - Articles Articles

Repotting Houseplants

Kathy Kelley, Ph.D.

As your houseplant grows larger and the roots either begin to grow through the drainage holes or become pot bound, repotting the plant into a larger pot will become necessary. More
Preventing, Diagnosing, and Correcting Common Houseplant Problems
Preventing, Diagnosing, and Correcting Common Houseplant Problems - Articles Articles
Properly selecting houseplants for purchase at a garden center or other retailer is essential if you want to take home a good, healthy plant and avoid potential problems. More
Plant Rotation in the Garden Based on Plant Families
Plant Rotation in the Garden Based on Plant Families - Articles Articles

Plant Rotation in the Garden Based on Plant Families

Kathy Demchak, Elsa Sanchez, Ph.D.

Knowing what family a plant belongs to can be useful in making decisions about rotating plants for managing pests and soil fertility in the garden. More
Plant Identification: Preparing Samples and Using Keys
Plant Identification: Preparing Samples and Using Keys - Articles Articles
Identifying a plant or weed can be difficult, especially if gardeners don’t recognize the plant and don’t know how to identify it. But gardeners do have some resources that can help with this task. More
Pennsylvania Native Plants for the Perennial Garden
Pennsylvania Native Plants for the Perennial Garden - Articles Articles
Herbaceous (nonwoody) perennial plants add year round interest to any landscape and are a popular choice of plants among gardeners. More
Don't Guess... Soil Test
Don't Guess... Soil Test - Articles Articles

Don't Guess... Soil Test

Scott Guiser

Proper soil fertility is the foundation for plant health. Different types of plants have specific nutritional requirements and soil pH and nutrient levels vary greatly from site to site. More
Beekeeping - Honey Bees
Beekeeping - Honey Bees - Articles Articles

Beekeeping - Honey Bees

Maryann Frazier, Tom Butzler, Lynn Kime, Timothy Kelsey, Ph.D., Jayson K. Harper, Ph.D.

Honey bees can be managed to produce many products, but they are even more valued for the major role they play in pollination of agricultural crops. More
Example of an overly vigorous apple tree.
Home Orchards: Why is There No Fruit on My Tree? - Articles Articles
Common tree fruit questions from home gardeners are "why do my trees fail to bear fruit" or "why do they only have fruit every other year?" More
Seeds from a Gala apple are not guaranteed to sprout another Gala apple tree. Grafting and budding allows you to get your desired variety. First, you will need to chill the seed for it to germinate, and you can do so by following one of three methods.
Hobbiest Gardening - Growing Fruit Tree Plants from Seed - Articles Articles
Many people mistakenly believe that fruit trees come true to name from seeds, but the seeds from a fruit actually produce a new variety that is a hybrid of two plants. More
Abiotic Diseases Of Woody Ornamentals
Abiotic Diseases Of Woody Ornamentals - Articles Articles

Abiotic Diseases Of Woody Ornamentals

Gary W. Moorman, Ph.D.

Of the two major types of diseases of woody ornamentals; biotic and abiotic—abiotic diseases are by far the most important ones on landscape and nursery plants. More