Gasteria armstrongii is one of the slow growing and rarer Gasterias with dark green leaves. It contains some of the most handsome individual clones of any species. Is miniature succulent with short, rounded and thick rosettes of two to four leaves up to 10 in diameter. Old specimens cluster naturally with new plants around the original.
Leaves: Distichous (grow in two planes only), dark green to nearly black that can take maroon-red colouring in full sun.