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Leaf Scorch of Aegopodium (Bishop’s Weed)

September 1, 1999

The ground cover Aegopodium, also known as goutweed, ashweed, ground ash, ground elder, herb gerard, or bishop’s weed, can grow in most soil types and in either sunny or shady locations. However, the variegated form that is used most often in gardens is prone to scorch in sunny locations. The usual foliage color is green with white markings, but when they are scorched, the leaves develop brown edges. The leaves then become entirely brown, giving the plant a weak, thinned appearance. We usually see this injury when hot, dry weather follows a time of very lush growth (the usual July or August weather in Illinois). Whenever the foliage looks bad during the growing season, mow it off to encourage new growth and a dense habit. Avoid mowing so low that you injure the crowns and kill the plants. This scorching is not an infectious disease problem.

Author: Nancy Pataky


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