The Learning Center

a close up of beech leaves with a sky background
By Erika Kern September 30, 2025
As Beech Leaf Disease continues to spread through the eastern United States, researchers are hard at work finding a suitable and effective treatment to save our native forest species. Here's a quick update on recent findings and what this means for Pennsylvania's beech population.
Two young girls in a park throwing autumn leaves, smiling.
By Erika Kern September 11, 2025
Here’s a simple guide that explains the three main ways people deal with fallen leaves, how to do each one, the gear you’ll need, ecological benefits and trade-offs, and a decision checklist to pick the best strategy for your yard.
Southern live oak with hanging Spanish moss, bright sky in the background.
By Erika Kern August 27, 2025
With its long, twisted branches full of greenish-white strands of moss, its wide, massive trunk, and longstanding ecological and economic value, the southern live oak (Quercus virginiana) should be revered as one of the most characteristic trees native to the southeastern United States.
A prickly pear cactus with yellow flowers and green buds against dark, textured pads.
By Erika Kern August 12, 2025
When you picture a cactus, do you imagine sprawling deserts and sizzling heat? Scrubby brush and expansive skies, maybe even a mountain or a sand dune in the background? Probably. What about Pennsylvania’s rolling hills and temperate climate? ...me neither. But tucked into dry, sunny spots across the keystone state grows a surprising native: the e astern prickly pear ( Opuntia humifusa ), Pennsylvania’s only native cactus.
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Two green pine trees are silhouetted against a white background.

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Two green pine trees are silhouetted against a white background.

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