Sandspurs are a Summer Annual that will appear in your grass in the springtime after it as been killed off in the winter. Sandspurs need to be treated early in the year with a Pre-Emergent such as Dimension (Weed and Grass Stopper) See our lawn calendar guide: http://verdego.com/lawn-care-calendar/ These weeds will throw hundreds of seeds … Continue reading Sandspurs in Grass