Also known as Tree Hollyhock, this is an erect shrub (max height 1.8m/5.9ft, max spread 1.5m/4.9ft) with toothed dark green leaves and single white flowers with a dark red eye from mid-summer to autumn (July-October). It should be planted in a sunny, sheltered spot in a moist but well drained soil.
Hibiscus Ultramarine
