Information on weed identification and control, including catsear, marestail, purple loosestrife, pokeweed, pigweed, poison ivy, crabgrass, hemlock, purslane and multiflora rose. Tips on various herbicides and integrated pest management.
By Peter Landschoot, Ph.D., Joshua Cook
Silvery thread moss (Bryum argenteum) in putting greens is becoming an all-too-common occurrence on Pennsylvania golf courses.
Managing weeds in cut flowers often requires different approaches depending on the specific weed, specific flower or woody stem, time of year and level of weed infestation.
By Tanner Delvalle, Peter Landschoot, Ph.D., Jeff Borger, M.S.
Seedbed establishment for fine turf can be extremely difficult, and is often considered an art form.
Advice for collecting a good plant or insect sample for identification.
By Peter Landschoot, Ph.D.
Weeds are undesirable because they disrupt turf uniformity and compete with desirable grass species for moisture, light, and nutrients.