2.5inch square pot
Water once the top couple of centimeters are dry which in summer can be once a week. Make sure to always water at the sink and allow the water to drain thoroughly away before placing back in its decorative pot. Throughout the winter the plant will require less frequent watering, once every 2-3 weeks.
The Epiphyllum anguliger will be happiest in bright indirect light. Too much direct sunlight will cause a yellowing of the leaves.