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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
Stay Alert for Oak Wilt!
Stay Alert for Oak Wilt! - Articles Articles

Stay Alert for Oak Wilt!

Sandy Feather

Oak wilt was not known in New York before 2008, but foresters and arborists are managing it there now. 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
Acer rubrum Red Sunset® on a commercial site with suspected glyphosate damage. Photo: S. Feather, Penn State
Use Glyphosate With Care Near Trees! - Articles Articles
Glyphosate is the active ingredient in non-selective, systemic herbicides sold under a variety of trade names – Round Up, Accord, Glypro, and many others. More
Black walnut fruit. Photo: K. Salisbury, Penn State
Working With the Black Walnut - Articles Articles

Working With the Black Walnut

Kathleen V. Salisbury

Black walnut is one of the last trees to leaf out in the spring and one of the first to lose its leaves in the fall. More
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