West and South-West Madagascar, Toliara
Xerosicyos danguyi a climbing vine with cylindrical stems and thick, succulent, round leaves. The main stem will reach 20 inches (50 cm) tall before it branches. The leaves are grey-green in color, up to 1.6 inches (4 cm) long, 1.4 cm (3.5 cm) wide and 0.25 inch (6 mm) thick. Flowers are small, up to 0.25 inch (6 mm) in diameter and yellowish-green in color.
A location with full sun is best, although Xerosicyos can grow in partial shade. Water only enough to keep the leaves from shriveling. They are extremely drought tolerant. good drainage is desirable. If grown in a pot as an indoor plant use a succulent Cactus soil. Low food needs. They should be fertilized only once during the active growing period.
Landscape UsesIt can also be grown in hangings pots which allows its branches to cascade towards the ground and also these species grows on rocky outcrops, in grasslands or pampas, on plains and walls.
For watering cacti, the golden rule is to make sure the soil is completely dry before watering! This will stop the roots from rotting. It is advised to always use a pot with a drainage hole so that excess water can get drained out. If kept in a sunny area, you will need to water it once every week. If it is in a semi shaded or filtered light area, you might need to water it once in 2 weeks.
Cacti like soil that is well aerated and fast draining. You can fertilise the cactus in the summer months when it is in its growing season. During the winters it is best to cut back on any fertiliser and let the plant rest.