Things You'll Need:
- Saucer
- Pebbles
- Liquid fertilizer
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Step 1
Maintain a temperature of 50 to 55 degrees Fahrenheit in the winter, but never below 46 degrees. Higher winter temperatures will prevent these plants from blooming in the spring. In the summer, orchid cacti can tolerate temperatures up to 86 degrees Fahrenheit.
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Step 2
Provide high humidity (between 50 and 80 percent) and filtered sunlight for your orchid cactus. Place your potted epiphyllum on a saucer filled with pebbles and keep them moist to provide the humidity the plants need.
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Step 3
Keep your epiphyllum moist but not soggy. Water it as you would most houseplants---usually once per week will suffice. Professional growers recommend soft water or rain water.
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Step 4
Fertilize with a liquid fertilizer that has an N-P-K ratio of 5-1-4 every time you water this plant, beginning in early spring until fall. Do not fertilize it in the winter months.
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Step 5
Watch for new buds beginning in April on plants that are from one to four years old. When you see them, pinch off new leaves that can be starting to grow with the flower buds---doing this will give the flowers more space and allow them to grow larger.
