Information on weed management of turfgrass to control weeds such as wild carrot, yellow woodsorrel, wild onions, shepherd’s purse, knotweed, bedstraw, thistle, yellow nutsedge and multiflora rose. Tips on identifying weeds and using pesticides.
Considered a weed in turfgrass and landscape beds, common mallow is an interesting plant in that it can be an annual or biennial.
Epipactis helleborine, the Broad-leaved Helleborine, is an invasive orchid that continues to plague Pennsylvania landscapes.
Penn State Extension has developed new resources for weed management and is beginning to offer bilingual training opportunities.
In Pennsylvania, Green Industry professionals who use pesticides need to understand the Pennsylvania pesticide laws and how to comply with them.
Join us for a hands-on, interactive session to learn about identifying and managing a variety of broadleaf and grassy weeds in both turf and landscape situations.
By Peter Landschoot, Ph.D.
During rainy summers, annual grasses can be an unsightly weed problem in many Pennsylvania lawns.
Controlling weeds is important in landscape beds. They appear unsightly and compete with the desirable plants for light, nutrients, moisture.
This free manual provides recommendations to land managers and landscape contractors on best management practices for effectively conducting organic land care.
Wild carrot or Queen Anne’s lace (Daucus carota) is a biennial.
Pesticide applicators are responsible for drift related damage and could face a potential lawsuit.
The video shows you how to calibrate your rotary spreader.
Yellow woodsorrel (Oxalis stricta) has foliage (composed of three leaflets) that resembles white clover or black medic.
Not all weeds get a “cool” common name, but yellow rocket (Barbarea vulgaris) is one of them.
Wild garlic (Allium vineale) and onion (Allium canadense) are perennial plants that can be a weed in turfgrass and landscape beds.
Perhaps the single most important (and easiest) management tool to control weeds in turf is performing proper mowing practices.