Pokeweed "Type: Broadleaf perennial Size: To 10 feet tall and 2 feet wide Where it grows: Sunny landscape or garden areas Appearance: Light green leaves with clusters of white flowers and dark purple berries. Control: Prevent it with a deep layer of mulch. Once the plant grows, hand-pull or spot-treat it with an herbicide."
Dayflower "Type: Annual grass relative Size: To 30 inches tall and wide Where it grows: Sunny or shady landscape areas Appearance: Dark green leaves clasping a stem and brilliant blue flowers through summer. Control: Mulch to prevent it or use a pre-emergence herbicide in spring; pull plants by hand or spot-treat with a non-selective post-emergence herbicide."
Weed Identification Guide Oxalis Type: Broadleaf perennial Size: To 20 inches tall Where it grows: Sunny or shady landscape, lawn, or garden areas Appearance: Light green leaves that look like clover and cup-shape yellow flowers in summer and fall Control: Mulch garden areas in spring to prevent it; pull plants by hand or spray with a post-emergence herbicide in spring or fall.