Cassia fasciculata (Hardy Senna)
Cassia fasciculata (Hardy Senna)
150cm, Hardy Senna makes bright yellow flowers on semiperennial, slightly woody branches. As in Mimosa spp. the finely feathered leaves fold when touched. This species is native of prairies in the tall-grass region in the US. Prefers a well drained soil in full sun in a protected spot. VII-IX.More Details »