Disocactus is a genus of cacti found in Central America, the Caribbean, and northern South America. It should not be confused with Discocactus, which is a different genus.
Species grow in tropical regions either on trees as epiphytes or on rocks as lithophytes. They have two different growth habits. Species such as D. phyllanthoides have stems that are round at the base but then become flattened and leaf-like. Other species, such as D. flagelliformis, have round stems throughout their length.
Many cultivated plants known as Epiphyllums result from crosses between species of Disocactus (rather than Epiphyllum) and other genera in the Hylocereeae tribe.
Growing Conditions
Light: Like all cacti, give these cacti lots of direct sunlight, especially during the summer.
Water: During the growing period, the plants need frequent watering. Watering should be relatively abundant so that the soil is completely soaked, but allow the soil to dry between waterings. Keep relatively dry in winter or when night temperatures remain below 50°F (10°C).
Soil: Well-drained soil is preferred, and most Disocactus perform well in soil with some organic matter.
Propagation
Disocactus can be propagated from seeds and cuttings.
Grower's Tips
Disocactus should be grown in rich but still well-draining soil. They should be watered regularly and fertilized, both of which are essential for good growth and flowering. Disocactus dislikes extreme heat and cold, so they are best grown in a greenhouse during the depth of winter and the heat of summer in hot, dry climates. They also prefer partial shade to full sun and like a little extra humidity in the air. Flowering in spring and summer, the flower color varies from white, yellow, red, or purple, depending on the species.
Links
- Back to genus Disocactus
- Succupedia: Browse succulents by Scientific Name, Common Name, Genus, Family, USDA Hardiness Zone, Origin, or cacti by Genus