Curly dock is a winter perennial. It contains a deep fleshy taproot. In a turf situation the leaves appear in a rosette form. The leaves are actually alternate at the top of the taproot. The oblong leaves have a wavy appearance on their edges. The flower of curly dock is almost never found in mowed turf situations. The flowers are long green spikes which turn reddish brown on maturity. The flower grows 2 to 3 feet in height and appears from April to July.