Category: Rarium | Sub-Category: Perennials for Sun
Scientific Name (Genus/Species): Sisymbrium luteum (syn. Hesperis lutea)
Family: (Brassicaceae)
(P) to 4′. Japan and Korea. Forms a bushy clump of coarsely pilose, pinnate, grey-green foliage that freely produces dense, elongated racemes of four-petalled, pale yellow flowers in summer. Good for cutting. Well-drained soil. Sun/partial shade. 4 & T3