What? Me Worry?
Symptoms that aren't as serious as they look
by Jonathan Heaton

As an arborist, I work with a lot of people who care deeply about their trees and shrubs. Almost once a week, I will get a call from someone who is alarmed that something new they’ve noticed on their tree might be a major problem. Sometimes it is a problem that needs help, but often it is something that looks bad, but isn’t. Here are some of the common issues that arise.   >> read article
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Deadly Rose Rosette Disease Moves Across the Country
by Delisa White

Rose gardeners throughout the country need to be vigilant in watching for the symptoms of an increasingly common problem known as rose rosette disease.   >> read article
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Impatiens Disease Spurs A Hunt For Shady Alternatives
by Susan Martin

Impatiens—for years they have been your go-to solution for providing brilliant color in the shade. Bedding impatiens is by far one of the most popular annuals for shade. Drive down a shady lane and you’re bound to see these colorful pink, red, salmon, purple and white annuals bordering beds and pathways ...   >> read article
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10 Most (Un)Wanted Pests and What to Do about Them
by Douglas A. Spilker, Ph.D.

They don’t have their photos hanging on the post office walls, but these garden pests are notorious. Here are the ‘Most Wanted’ of the Midwest garden, their rap sheets and how to bring them to justice ...   >> read article
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Common Diseases of Landscape Trees & Shrubs
by Douglas A. Spilker, Ph.D.

What’s that spot on the leaves? Or that fuzzy stuff? Why are the leaves falling off? Here’s how to tell whether your woody plants are really sick or just have a little case of fungus.   >> read article
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The Gall of it All
by Douglas A. Spilker, Ph.D.

Galls are the enlargement of plant tissue caused by injury or irritation by parasitic organisms such as insects, mites, nematodes, fungi and bacteria. They are also interesting looking — knotty, lumpy and sometimes colorful. Learn which ones are common in your garden.   >> read article
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