Species grow in tropical regions either on trees as epiphytes or 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.
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 rather abundant so that the soil becomes completely soaked but let dry between watering. Keep relatively dry in winter or when night temperatures remain below 50 °F (10 °C).
Soil: Well-drained soil is best, and most Disocactus perform well in soil that contains some organic material.
Disocactus can be started both by seeds and cuttings.
Disocactus should be grown in rich but still well-draining soil. They should be watered regularly and fertilized, which is essential for good growth and flowering. Disocactus dislike extreme heat and cold, so they are best green-housed during the depth of winter and 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.
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