Known by the common names like purple toadflax and Canon Went, Linaria purpurea belongs to the plantain family. This herbaceous perennial easily grows in average, dry to medium, well-drained soil with full sun exposure. The plant spreads by underground runners and also by seed. This upright, clump-forming perennial has two-lipped, single-spurred, violet flowers with narrow, whorled, erect stems typically that grow 18-24" and sometimes up to 36". It is fairly drought tolerant once established.