Haworthia viscosa grow and care – succulent of the genus Haworthia, Haworthia viscosa perennial evergreen used as ornamental plant, can grow in subtropics, mediterranean, tropics climate or indoor as houseplant and growing in hardiness zone 10+. Leaves color green can be variegate in the color: pink, red, purple, yellow or orange, leaf in triangle shape with pointed top some cultivars have bumps on the leaves, leaves grow in rosette growth.