Maryland Grows

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Allium Leafminer: Possible Ornamental Plant Pest?

There is a new pest in our area first found in Lancaster County, Pennsylvania, in December 2015. It is the Allium leafminer (Phytomyza gymnostoma) which attacks Allium plant species. Leeks tend to be the most damaged host, but all Allium…

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It’s Plum Season! But Beware, This is Not a Plum

We received a couple questions this season from curious residents of Montgomery County who found “fruits” that look like small plums. These objects had dropped from oak trees. While these fruit-like items do look similar to plums, they are not…

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Q&A: Do bagworms kill trees?

Q: Do bagworms kill trees? A: If there is a large infestation of bagworms on an evergreen tree, it is indeed possible for them to kill the tree if the defoliation is severe. Bagworms can be a problem on deciduous…

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Lawn and Garden Tips and Tricks for August

For Ornamental Plants: Late August through September is usually a good time to transplant, divide and plant perennials such as daylily, liriope (photo left), and echinacea. (HG 99) Be sure to keep them well watered during dry periods. Annuals and…

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Butternut Woollyworm on Black Walnut Trees

Sawflies seem to be in abundance this summer on a lot of plants including hibiscus, roses, and jewelweed, among others. The larvae of sawflies are often confused with caterpillars. Sawflies are the larvae of young of wasps (Hymenoptera), whereas caterpillars…

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Farewell Fall

Guest post by Kurt Jacobson On my morning dog walk the grass was frosted silver from last night’s cold temperature. The parsley and other herbs seemed to hang on through the punishing cold but soon they too will succumb to…

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Beans, beetles, and community gardens

Even though this is the Year of the Bean, not all our bean experiences can be positive. In fact, I can tell you in all honesty that I am done with growing pole beans in my community garden plot. I’ve…

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