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Cardinal Flower
May 3, 2017

Birds can be found everywhere – parks, lakes, forests, cities, even your own backyard; however, birds are finding our homes less and less appealing.

Make your gardens safe for your furry friends.
May 3, 2017

Here are some helpful hints on ways to make your garden a pet safe and beautiful space.

May 2, 2017

Hostas are a go-to plant for almost any gardener dealing with shade to part-shade in the garden. The one glaring exception is that hostas are deer favorites. If you live in deer country you know that plantings featuring tulips, hosta and daylilies are the equivalent of “all you can eat” buffets for Bambi.

Altenanthera spp. Photo: T. Ford, Penn State
May 2, 2017

Elevated sodium and elevated chloride levels are being observed more frequently in private water supplies in rural areas.

Allium leafminer female making feeding damage. Photo Tim Elkner
May 2, 2017

Protect every chive, onion and garlic! The allium leafminer is here!

Vegetable Garden by Lori Stalteri; CC By 2.0
May 2, 2017

This year, share the bounty of your summer garden by planting an extra row or two of vegetables to donate to your local food bank or pantry.

Spotted lanternfly nymph. Photo: E. Swackhamer, Penn State
May 2, 2017

Erica Myers, a Penn State Department of Entomology graduate student, observed the first 2017 sighting of a Spotted Lanternfly, Lycorma delicatula, nymph in Oley, PA (Berks County) on April 26, 2017.

Black walnut fruit. Photo: K. Salisbury, Penn State
May 2, 2017

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.

Source: Sign Research Foundation
May 2, 2017

Signs convey a lot of information. They draw attention, communicate a message, compete with surroundings, and reach a driver traveling sometimes at a high rate of speed.

May 2, 2017

Plant cell wall growth is typically described as a simple process, but researchers using a microscope that can resolve images on the nanoscale level have observed something more complex.

Horseweed. Photo: Bill Curran, Penn State
May 2, 2017

Horseweed (Conyza canadensis) also known as marestail, reproduces by seeds.

Tobacco Mosaic Virus on petunia. Photo: T. Ford, Penn State
May 2, 2017

The most important way that Tobacco Mosaic Virus (TMV) can be spread from plant to plant is on workers' hands, clothing or on tools. This is called 'mechanical' transmission.

May 1, 2017

The orchard site near the North East, PA Escarpment hit full bloom on Wednesday April 26 and is now included in our tables and charts.

Sanitary well cap Photo: Bryan Swistock, Penn State University
May 1, 2017

About one third of the households in York County are served by a private water system (wells or springs). Penn State Extension conducts Home Water and Septic System Workshops to assist homeowners in understanding, testing and maintaining these important systems.

May 1, 2017

An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of the nation's most populous regions, suggests new research.

May 1, 2017

Dikes could be lower if they are protected against the waves by grassy marshes. But the protective salt marsh grass is struggling, not only due to increasingly stronger waves, but also to the superfood diet of ragworms. These sophisticated gardeners turn inedible, tough grass seeds into succulent, nutritious sprouts in their burrows. These cultivation techniques prevent many seeds from growing into salt marsh vegetation, thus undermining the use of salt marshes for 'natural' coastal protection.

May 1, 2017

A new report shines a light on lead-contamination of drinking water in schools, highlighting how poor policymaking at the state and federal level poses a threat to children in various states.

May 1, 2017

Anyone who has walked outside on a sunny day knows that forests and trees matter for temperature, humidity and wind speed. Planting trees speaks to concerns about climate change, but the directly important aspects of the tree-climate relationships have so far been overlooked in climate policy where it relates to forest.