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Insects on Real Christmas Trees
Insects on Real Christmas Trees - Articles Articles

Insects on Real Christmas Trees

Michael J. Skvarla

Most real Christmas trees are free of insects and other arthropods. However, it is possible that some trees may harbor one or more species. More
Salticus scenicus female
Zebra Jumper - Articles Articles

Zebra Jumper

Steve Jacobs

This spider, originally from Europe and Asia, is found sporadically from Nova Scotia to British Columbia, south to Georgia, and westward to Colorado. More
Araneus saevus male
Fierce Orbweaver - Articles Articles

Fierce Orbweaver

Steve Jacobs

Araneus saevus is found from Canada into the northern United States. It can be seen in forested areas and suburbia with mature landscape plantings. More
Joseph Berger,
Woodlouse Hunter Spider - Articles Articles

Woodlouse Hunter Spider

Steve Jacobs

The woodlouse hunter spider preys on pill bugs or sow bugs (order Isopoda) and derives its common name from the British common name for these crustaceans. More
Micrathena gracilis female
Spined Micrathena - Articles Articles

Spined Micrathena

Steve Jacobs

This small spider is commonly encountered in wooded locations, including landscaped residential and suburban locales. More
Herbert A. 'Joe' Pase III, Texas A&M Forest Service,
Yellow Garden Spider - Articles Articles

Yellow Garden Spider

Steve Jacobs

Yellow garden spiders are seen in gardens, tall weeds, and sunny areas with bushes and other supporting structures on which they build their large orb webs. More
Photo credit: Margaret Stoddard
Enjoying Paperwhite Narcissus in Winter - Articles Articles
Paperwhite narcissus bulbs bloom easily indoors and do not require a cold season before blooming. Read on to discover multiple growing and display options for paperwhite narcissus. More
Winterberry holly Photo: Mike Masiuk, Penn State
Why Doesn't My Holly Have Berries? - Articles Articles
Lack of berries on holly is a common concern for home gardeners. This article identifies some of the reasons and possible solutions. More
Poinsettia ‘Ice Crystals’ Penn State Extension Master Gardener Program
Poinsettia and Christmas Cactus Care - Articles Articles
This article gives advice for prolonging the life and blooms of two popular holiday houseplants. More
Photo credit: Lois Miklas
Overwintering Plants in Containers - Articles Articles
Many perennial and evergreen plants in containers can survive the winter, if you take precautions to protect them. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
Spotted Lanternfly: Tips for Handling Yard Waste in Quarantined Areas - Articles Articles
To prevent the movement of this insect, avoid moving yard waste such as woody plant debris (fallen trees or branches and tree trimmings) outside the quarantine area. More
Plants left standing provide homes for pollinators and add winter interest to your garden. Photo credit: Connie Schmotzer
Fall Garden Care for Pollinators - Articles Articles
This article discusses the beneficial pollinators that overwinter in the garden and best practices for providing habitat for them. 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: Lois Miklas
Garden Bargain or Bust? - Articles Articles

Garden Bargain or Bust?

Lisa Marie Bernardo

How do you know if that clearance plant is a bargain or a waste of money? Follow these steps to assure that your bargain purchase will survive the winter and thrive next spring. More
Photo credit: Joan Jubela
Mountain Laurel - Articles Articles

Mountain Laurel

Joan Jubela

Discover the fact and folklore behind mountain laurel, Pennsylvania's state flower. More
Beautyberry CC0
Fall Shrubs and Trees - Articles Articles

Fall Shrubs and Trees

Mary Ann Ryan

This article discusses some lesser-known shrubs and trees with beautiful fall color. More
Tree of heaven leaves. Credit: Bigstock
Tree-of-Heaven - Articles Articles


David R. Jackson, Art Gover

Tree-of-heaven (Ailanthus altissima) also known as ailanthus, is a rapidly growing deciduous tree native to a region extending from China south to Australia. Spotted Lanternfly, an invasive pest, is particularly attracted to Tree-of-heaven. More
Photo: Holly Raguza, Pennsylvania Department of Agriculture
How You Can Comply with the Spotted Lanternfly Quarantine Regulations - Articles Articles
Some tips to help you avoid spreading Spotted Lanternfly (SLF) and be in compliance with the Pennsylvania Department of Agriculture (PDA) regulations. More
Figure 1. Desiccation injury on fine fescue fairway in Wisconsin. Photo: Peter Landschoot, Penn State
Winterkill of Turfgrasses - Articles Articles

Winterkill of Turfgrasses

Peter Landschoot, Ph.D.

Bitter cold and icy conditions during winter sometimes lead to the death of turfgrasses on golf courses, lawns, and sports turf. More
Photo credit: Sandy Michaels
The Child-Friendly Garden - Articles Articles
Looking for ways to get children outdoors and away from the computer and TV? This article offers great suggestions to get children involved in gardening. More
Dead spotted lanternfly at the base of a treated tree. Photo by Pennsylvania Department of Agriculture
Treating Black Walnuts with Insecticides for Spotted Lanternfly Control - Articles Articles
Recommendations for safe pesticide applications to control spotted lanternfly infestations. More
An adult spotted lanternfly. Photo by Pennsylvania Department of Agriculture
Avoid Home Remedies to Control Spotted Lanternfly - Articles Articles
Untested homemade solutions may harm people, pets and plants. Their use can be unsafe and illegal. More
Hyacinth bulbs should be planted in fall. Photo credit: Hershey Gardens
Plant Bulbs in the Fall for a Spring Celebration - Articles Articles
For a beautiful spring display, you should plan to plant bulbs in fall. Find out how to select, plant and care for bulbs in your garden. More
Photo credit: Lois Miklas
Is Fall for Planting? - Articles Articles

Is Fall for Planting?

Lois Miklas

We frequently see the suggestion that autumn is a good time to plant. This article offers a look at what can be planted in fall and precautions to take when planting at this time of year. More
New York ironweed. Photo credit: Mary Alice Koeneke
Native Perennials for Fall - Articles Articles

Native Perennials for Fall

Mary Alice Koeneke

Pollinators need pollen and nectar all season long. This article discusses beautiful plants that offer support to pollinators well into fall. More
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