Yellow Woodsorrel University Links Control Options Germination Dates Photograph from Weeds of Southern Turgrasses , Cooperative Extension Service, University of Georgia College of Agricultural and Environmental Sciences, Athens. Puncture vine is a summer annual. The stems are prostrate mat forming originating from a taproot. The flowers are solitary, consisting of 5 yellow petals, and are found in the leaf axils. Puncture vine spreads by seed which can remain viable for years.
Puncture vine is found throughout the United States and Canada.
Puncture vine plants should be cut off or hoed below the crown prior to going to seed. Seed fruits should be disposed of carefully. Make your postemergent herbicide application to puncture vine that is actively growing and in the seedling to flower stage of growth.