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Winterberry fruit. Photo credit: Mike Masiuk
Shrubs and Trees for the Winter Landscape - Articles Articles
Look for trees and shrubs that could beautify your property and nurture wildlife during the winter months. More
Photo credit: Lois Miklas
De-Icers and Plant Health - Articles Articles
Find out what effect winter de-icers can have on plants and which types are least harmful. More
Christmas Tree Farm Photo credit: Nancy Knauss
Master Gardener Tips for Christmas Trees - Articles Articles
How to choose the perfect Christmas tree and keep it fresh. More
Crabapples with vole damage. Note the English ivy being used as a ground cover. Photo: Tim Abbey, Penn State
English Ivy in the Landscape - Articles Articles
English ivy is an evergreen with dark green older foliage that has white veins, while new growth is a lighter green color. More
Stigmina Leaf Spot. Photo by Joseph OBrien, USDA Forest Service, Bugwood.org
Tree Diseases - Articles Articles

Tree Diseases

Tim Abbey

Living in the humid mid-Atlantic area, we have lots of fungal and bacterial diseases to contend with. More
A Cedar Waxwing takes advantage of a winter food source. A well-planned rain garden provides fruits, seeds and nectar and is a valued food source year around. Migrating birds will find refuge, food and shelter, completing this unique habitat.
Rain Garden - Biodiversity - Articles Articles
Creating biodiversity and habitat while conserving water. Basic information on rain gardens and plant material suggestions for each zone of a rain garden. More
Rain Gardens - the Basics
Rain Gardens - the Basics - Articles Articles
Rain gardens are a simple and resourceful way to use the stormwater from your gutters productively as a garden. 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
Planting Along Streams
Planting Along Streams - Articles Articles
If you have a stream on your property, even it’s small, you have the opportunity to both enhance your landscape and protect precious water resources. More
Red maple (Acer rubrum)
Plant Guide: Sun to Part Sun - Wet to Moist Soil - Articles Articles
Trees, shrubs, vines and perennials that are naturally found in sun to part sun and wet to moist soils. More
Organic Land Care Best Management Practices Manual
Organic Land Care Best Management Practices Manual - Articles Articles
This free manual provides recommendations to land managers and landscape contractors on best management practices for effectively conducting organic land care. More
Mountain laurel (Kalmia latifolia) Linnaeus
Plant Guide: Shade to Part Shade - Dry to Moist Soil - Articles Articles
Trees, shrubs, vines and perennials that are naturally found in shade to part shade and dry to moist soils. More
Sweetbay (Magnolia virginiana)
Plant Guide: Shade To Part Shade - Wet To Moist Soil - Articles Articles
Trees, shrubs, vines and perennials that are naturally found in shade to part shade and wet to moist soils. More
Flowering dogwood (Cornus florida)
Plant Guide: Sun to Part Sun - Dry to Moist Soil - Articles Articles
Trees, shrubs, vines and perennials that are naturally found in sun to part sun and dry to moist soils. 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
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