Thousand Cankers Disease Arrives in Pennsylvania
by Tom Butzler

Plant pathologists are usually not the most imaginative bunch when naming plant diseases. For instance, the rose disease caused by the fungus Diplocarpon rosae, causes a black spot on the foliage. This disease was given the name “black spot.” Another example is the fungal organism that causes a leaf spot on strawberry. In this instance, it was given the colorful name “common leaf spot.”   >> read article
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Mudcrete
Tips on Building an Attractive Retaining Wall
by Gerald Klingaman, Ph.D.

The only sunny, level piece of ground on our lot is in the front yard, next to the driveway. Despite my well-reasoned and insightful explanation of why my new greenhouse should go there, my wife vetoed the idea. So, the only other location ...   >> read article
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Home Grown Citrus
Grow Your Own Cold Hardy, Sweet Or Sour Fruit
by Jason Powell

Late fall and winter mean many things to us as gardeners. There are trees to be planted, catalogs to read, soil to be amended and if you are fortunate, oranges, lemons and kumquats to be eaten.   >> read article
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The March of Garden Color: Year-Round Hues & Interest
by Gloria Day

Year-round color and interest for the garden cannot be achieved in a single visit to the garden center—you need careful planning, research and a good shopping list. Here’s how to start preparing.   >> read article
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Sky flower
Thunbergia grandiflora
by P. J. Gartin

Sky flower (Thunbergia grandiflora) packs a late summer color punch just when our gardens desperately need one. In late July or early August, just as the crapemyrtle blossoms start to fade and zinnias begin to melt away, this vine produces glorious clusters of 3-inch-wide, periwinkle-blue flowers. As if caught in a perpetual yawn, these bell-shaped blossoms show off creamy white or buttery yellow throats.   >> read article
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Roses are Our Favorites
by TC Conner

It’s been New York’s state flower since 1955, Georgia declared it as their emblematic flower in 1916, North Dakota and Iowa calls it their flower, and Ronald Reagan officially made it our national flower on November 20, 1986.   >> read article
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Rain, Rain, Don’t Go Away
by Linda Wiggen Kraft

Rainwater harvesting is one of the easiest ways gardeners can help save money and create beauty in their garden, while at the same time helping the environment.   >> read article
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Let’s Stop Pruning with “Shear” Ignorance
by Bonnie Lee Appleton

What’s one of the most obvious and common mistakes made in landscapes anywhere in the southern U.S.? Improper pruning or excessive shearing (though it’s stretching the definition of pruning) of shrubs. Nothing jumps out of a landscape faster than a once graceful, natural-form shrub that has been sheared into a mathematician’s delight – be it round, square, pyramidal or rectangular. From a horticultural standpoint, unnecessary, form-damaging shearing of shrubs is almost as criminal as the topping of trees.   >> read article
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