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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…
Read MoreIt’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…
Read MoreLawn 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…
Read MoreButternut 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…
Read MoreFarewell 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…
Read MoreWe help Maryland residents grow! Learn timely tips to manage your lawn, ornamental plants, and food gardens, with advice from University of Maryland experts and certified horticulturists.
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