• How to Control Nutsedge in Flowerbeds Especially in Daylilies.

    How to control nutsedge in flowerbeds especially in daylilies. For years, two of the more difficult to control weeds in ornamental beds were bermudagrass and the sedges such as yellow and purple nutsedge (commonly known as nutgrass). While there were several pre-emergent herbicides that provided good control of annual grassy and broadleaf weeds, these herbicides had little if any affect on perennial grassy weeds and the sedges.