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Photo credit: Steve Williams
How Too Much Rain Affects Your Garden - Articles Articles
Extreme weather can be detrimental to your flower and vegetable gardens. This article looks at how excessive moisture and other extremes affect plants and what you can do about it. More
By Iris Wijngaarden - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2177868
Snowdrops - Articles Articles

Snowdrops

Martha Murdock

Snowdrops are one of the first flowers to emerge in late winter. Learn more about the origin and care of this popular bulb. More
Photo credit: Lorraine Volk-Wallace
Winter Checklist for Garden Activities - Articles Articles
Even in winter, indoor and outdoor plants, shrubs and trees require our attention. Follow this checklist to keep on target with plant care throughout the winter. More
Adult spotted lanternflies. Photo Credit: E. Smyers
Control de la Mosca Linterna con Manchas para el Público en General - Articles Articles

Control de la Mosca Linterna con Manchas para el Público en General

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

Las MLM son una plaga invasora destructiva que amenaza la agricultura, la industria maderera y ornamental y las plantas de jardín. More
Spotted lanternfly feeding on grapevine. Image by Erica Smyers.
Updated Insecticide Recommendations for Spotted Lanternfly on Grape - Articles Articles
Insecticide recommendations for spotted lanternfly in grape, updated January 2019. More
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit
Updated Insecticide Recommendations for Spotted Lanternfly on Tree Fruit - Articles Articles
Insecticide recommendations for spotted lanternfly in tree fruit, updated January 2019. More
There are many benefits to having houseplants
Have A Green Winter - Articles Articles

Have A Green Winter

Shirley Lindsay

There are many benefits to having houseplants, winter or summer. More
Photo credit: Laurie Collins
Anise Hyssop for the Perennial Garden - Articles Articles
Anise hyssop has been named the 2019 Herb of the Year™ by the International Herb Association. Learn about the characteristics and uses of this appealing native plant. More
Brown marmorated stink bug, Photo credit: David R. Lance, USDA APHIS PPQ,
What's Bugging You? - Articles Articles

What's Bugging You?

Mary Reefer

Master Gardeners often field questions about indoor, as well as outdoor pests. Here are descriptions of insects and insect-like pest that can invade the home and what it do about them. More
Photo credit: Chris Events, University of Illinois, Bugwood.org
Controlling Japanese Stiltgrass in Your Garden - Articles Articles
More and more gardeners are finding that Japanese stiltgrass is overtaking their landscape beds and lawns. This article explains what it is, why it is increasing so fast, and how to control its spread. More
Photo by Michael Houtz, Penn State
Calibrating Your Fertilizer Spreader - Articles Articles

Calibrating Your Fertilizer Spreader

Peter Landschoot, Ph.D.

Spreaders can be calibrated in several ways, but the following methods are relatively simple, fast, and accurate. More
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. Photo by Steven Jacobs, Penn State Extension
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. Photo by Steven Jacobs, Penn State Extension
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
Dysdera crocata female. Photo by Steven Jacobs, Penn State Extension
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
Argiope aurantia on web showing stabilimentum. Photo by Deisy Mendoza, WikiMedia
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
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