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Pruning Roses

Pruning roses is very intimidating to many gardeners but it needn’t be. You don’t need to be a rosarian and know all the rose categories and classes in order to prune roses. What is most important to know is whether it is a repeat bloomer or once bloomer, whether it blooms on old wood, new… Continue reading Pruning Roses

Black Vine Weevils

Black Vine Weevils (Otiorhynchus sulcatus) are a serious insect pest of many broad leaf plants, both woody and non-woody. Although the genus Otiorhynchus consists of hundreds of species, Otiorhynchus sulcatus (the black vine weevil) is believed to be the most destructive and widely spread, especially in the home landscape. The adult beetles feed on foliage,… Continue reading Black Vine Weevils

Yew Pests and Diseases

Usually, when there is a problem with your yew (Taxus) the first symptom you will observe is a yellowing of the needles. Yellowing needles however can be caused by a variety of things such as the soil being too wet or too dry, disease, insect pests, winter desiccation, salt damage, animal grazing, animal urine, transplant… Continue reading Yew Pests and Diseases

Peony Pests and Diseases

Peony Insect Pests Foliar Nematodes Foliar nematodes are microscopic organisms that feed within plant tissue. They require a layer of moisture in order to move about on the outside plant surfaces. The species that infects peony is Aphelenchoides fragariae, commonly known as the Strawberry Leaf Nematode. First symptoms appear as bud blast, where infect buds… Continue reading Peony Pests and Diseases

Oak Sawflies

Oak Sawflies are tiny fly-like, nonstinging wasps. The short-lived adults feed on pollen and nectar and do not cause any feeding damage, but their caterpillar-like larvae, on mass, can create extensive damage to oak canopies. There are several species of Oak Sawflies such as scarlet oak sawfly (Caliroa quercuscoccineae) which is native to the eastern… Continue reading Oak Sawflies

Pear Slugs (Caliroa cerasi) on Purple Leaved Sand Cherry

Pear slugs or pear sawfly (Caliroa cerasi), are also known as cherry slugs. They are pests of several fruit trees primarily pear and cherry (including purple leaved sand cherry), but also plum, quince, serviceberry, Juneberry and occasionally apple. They also feed on a few ornamentals such as cotoneaster, hawthorn, buttonbush, and mountain ash. Pear slugs are… Continue reading Pear Slugs (Caliroa cerasi) on Purple Leaved Sand Cherry

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