Prior to these introductions, Acorus calamus was perhaps the best-known of the sweet flags, with its larger leaves that give off an aromatic scent. The foliage and rhizomes are used today to make ...

The Japanese sweet flag spreads from the tips of rhizomes, similar to the way an iris spreads. They can reach about 10 inches tall and as wide. This gives you the option of using it as a ground cover.

Prior to these introductions, Acorus calamus was perhaps the best-known of the sweet flags, with its larger leaves that give off an aromatic scent. The foliage and rhizomes are used today to make ...