Tulista marginalata is a rare, slow-growing, succulent that forms stemless rosettes. Tulista opalina was formerly called Haworthia opalina. It is a small succulent which forms a rosette consisting of thick, fleshy, stiff and light green leaves. xGasteraloe Twilight Zone’ is an attractive small succulent which forms rosettes of dark-green leaves with tiny white spots. xGasteraloe Silver Swirls’ a succulent which forms rosettes consisting of thick, triangular-shaped, gray-green, toothed leaves and white spots.