Sansevieria cylindrica) with long, stiff cylindrical leaves that grow in a fan pattern. Whale fin (Dracaena masoniana) has wide (8+ inches), stiff, dark green leaves. This species is often found ...

cylindrica's leaves are cylindrical ... Online plant shop The Sill recommends watering sansevieria varieties every two weeks, but you can probably water it a bit less from about October to ...