The hollyhock (Malva alcea) is in the Mallow plant family. It is thought that the crusaders brought this plant to England and then it was brought to America. It is related to the hibiscus, grows in the wild but is also common in gardens. This plant can grow as high as 9 feet and will produce multiple blooms. The most common color is red but they also come in white, pink, yellow and purple.
Some history about the plant is it is a seal of a prominent family in Japan and Thomas Jefferson bred the red ones.