HOLLYHOCK – Chater’s Mix This is the true, old fashioned perennial hollyhock. Beautiful plants produce tall flower spikes that are perfect for use in the back of a flower bed, along walls or fences and to screen unwanted views. Large 3-5”(8-13cm) single flowers come in a wide color range, and produce from mid-summer to fall. Sometimes grown as a biennial. Established plants tolerate dry conditions. After blooming, cut stalks off at the base. Perennial. Full sun. Plants grow 5-9’/1.5-1.8m.