Weed Identification and Control

A sure sign of summer, yellow nutsedge is showing up in lawn areas. More

Weed control can be accomplished chemically or mechanically. Depending on the situation, each method has its advantages and disadvantages. More

To adequately control weeds in the small-scale orchard, you should learn proper weed identification. More

Spotted Lanternfly, Lycorma delicatula, is a new threat to Pennsylvania and the United States, and experts are still learning how to combat it. More

Advice for collecting a good plant or insect sample for identification. More

Informational table showing pesticides available for home garden use on various fruit crops. More

Multiflora rose is a noxious, non-native shrub considered an invasive weed because of its aggressive growth habit that excludes native plants. More

Oriental bittersweet is a non-native woody, perennial vine that covers and kills native plants by blocking sunlight, weighing the plants down, and girdling stems and trunks. More

Wild grape (Vitis spp.) is a native vine found throughout Pennsylvania. There are various species of wild grape occurring in a variety of habitats. More

Pokeweed can be a weed in landscape beds and nurseries. More

Bull thistle (Cirsium vulgare) is a biennial that true to its name, has notable spines. This plant is much different than Canada thistle. More

Weeds are undesirable because they disrupt turf uniformity and compete with desirable grass species for moisture, light, and nutrients. More

Silvery thread moss (Bryum argenteum) in putting greens is becoming an all-too-common occurrence on Pennsylvania golf courses. More

The cause of turfgrass damage is often difficult to determine if considerable time has elapsed between damage and diagnosis. More

Annual sowthistle (Sonchus olearaceus) is one of the annual thistles. More