Contents
Description
Epiphyllum, commonly known as orchid cactus, is a genus of epiphytic cacti that belong to the family Cactaceae. Native to Central and South America, these plants are often grown for their large, showy flowers that bloom at night. The flowers are usually white or pink, and some varieties have a sweet fragrance.Epiphyllums are easy to grow and care for, making them a popular choice for indoor and outdoor gardens. They are also known for their sprawling growth habit, with long, flat stems that can reach up to 20 feet in length.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Epiphyllum |
Appearance
Epiphyllums have long, flat stems that can be up to 2 inches wide. The stems are segmented, with each segment being about 6-8 inches long. The stems are usually green, but some varieties have a reddish or purplish tint.The flowers of the Epiphyllum are large and showy, often measuring up to 6 inches in diameter. They bloom at night and are usually white or pink, although there are some varieties with yellow or orange flowers. The flowers have a sweet fragrance that is particularly strong at night.
Care Guide
Water
Epiphyllums require regular watering, especially during the growing season. Water the plants deeply, but allow the soil to dry out slightly between waterings. During the winter months, reduce watering to once a month.
Fertilization
Fertilize Epiphyllums every 2-3 weeks during the growing season with a balanced fertilizer. Reduce fertilization during the winter months.
Soil
Epiphyllums thrive in well-draining soil that is rich in organic matter. Use a cactus mix or a soil mix that is specifically formulated for epiphytic plants.
Sunlight
Epiphyllums prefer bright, indirect light. Avoid direct sunlight, as it can scorch the leaves.
Hardiness Zones
Epiphyllums are hardy in USDA zones 10-12. In cooler climates, they can be grown as indoor or container plants.
Common Pests & Diseases
Epiphyllums are relatively pest-free, but they can be susceptible to spider mites, mealybugs, and scale insects. These pests can be controlled with insecticidal soap or neem oil.Diseases that can affect Epiphyllums include root rot and stem rot, which are caused by overwatering or poor drainage. To prevent these diseases, make sure the soil is well-draining and avoid overwatering.
Habitat
Epiphyllums are native to Central and South America, where they grow as epiphytes in trees and on rocks. They are often found in humid, tropical environments.
Question and Answer
Q: Can Epiphyllums be grown as indoor plants?
A: Yes, Epiphyllums can be grown as indoor plants. They prefer bright, indirect light and well-draining soil.
Q: How often should I water my Epiphyllum?
A: Water your Epiphyllum deeply, but allow the soil to dry out slightly between waterings. During the winter months, reduce watering to once a month.
Q: What is the best fertilizer for Epiphyllums?
A: Use a balanced fertilizer and apply it every 2-3 weeks during the growing season. Reduce fertilization during the winter months.
Q: Can Epiphyllums tolerate direct sunlight?
A: No, Epiphyllums prefer bright, indirect light. Direct sunlight can scorch the leaves.
Related Plants
- Selenicereus
- Hylocereus
- Rhipsalis
- Epilith
References
- “Epiphyllum.” Encyclopædia Britannica. Encyclopædia Britannica, Inc., n.d. Web. 30 Aug. 2021.
- “Epiphyllum cactus care.” Houseplant Central. N.p., 10 June 2021. Web. 30 Aug. 2021.
- “Epiphyllum oxypetalum.” Missouri Botanical Garden. N.p., n.d. Web. 30 Aug. 2021.
