Gasteria nitida var. armstrongii 'Variegated' is a dwarf, slow-growing succulent that forms short thick rosettes of 2 to 4 variegated, roughly tuberculate leaves. The rosettes grow up to 4 inches (10 cm) in diameter. Leaves are creamy-white or yellow with green stripes and even distinct shades of brownish-green. Light. These plants appreciate bright light but not harsh sun. ... Soil. For container plantings, use a cactus potting mix or another fast-draining potting soil mixed with a few handfuls of sand. ... Water. Like other succulents, these plants don't need much water. ...