Amorpha canescens (Fabaceae). Leadplant. Native to Northern America. It is a deciduous shrub growing to 1.2 m by 1.5 m. It is hardy to zone 2. It has very small purple flowers which are grouped in racemes. The compound leaves of this plant appear leaden due to their dense hairiness. Sowing : Sow seeds in summer. Locality : Ex Hort. Date of harvest : September 2014.