Xerosicyos is a genus of flowering plants of the family Cucurbitaceae. Its name comes from the Greek words "xeros," meaning "dry," and "sicyos," meaning "cucumber." There are three species, all endemic to Madagascar.
Xerosicyos danguyi is a large liana with thick stems and fleshy round gray leaves. It is common in cultivation and is commonly called Silver Dollar Vine. Xerosicyos perrieri is also a liana with thinner stems and smaller, fleshy, ovate, green leaves. Xerosicyos pubescens is entirely different from the previous species. It forms a large caudex from which deciduous vines emerge. The leaves are lobed and semi-succulent and die back in the dry season and during prolonged periods of drought.
Growing Conditions
Light: A location with full sun is best, although Xerosicyos plants can grow in partial shade.
Temperature: During the winter months, Xerosicyos are kept at a temperature between 41 and 48 °F (5 and 9 °C) and watered only enough to keep the leaves from shriveling. USDA hardiness zone 9-11.
Water: These plants are extremely drought tolerant. A deep soaking once a month will keep the plants looking good. During the active growth period in summer, the potted plants must be regularly watered, allowing the soil to dry up before watering again. In winter, it is to be kept dry. Preferable not to water on overcast, humid, or cold winter days.
Soil: Xerosicyos plants adapt to most soil types but not soil too heavy in texture. Good drainage is desirable. If grown in a pot as an indoor plant, use a soil mix for succulents.
Fertilizer: Low food needs. Xerosicyos plants should be fertilized only once during the active growing period.
Propagation
These plants are easily propagated by cuttings or by seed in spring. Cuttings grow easily once left to callous for several days and then planted in a well-draining soil mix. Seeds germinate in 14 to 21 days at 21°C.
Links
- Back to genus Xerosicyos
- Succupedia: Browse succulents by Scientific Name, Common Name, Genus, Family, USDA Hardiness Zone, Origin, or cacti by Genus