With the right care, your Orchid Cactus (Epiphyllum) will reward you with stunning, exotic blooms that light up your home or garden
Epiphyllum, commonly known as Orchid Cactus or Leaf Cactus, is a remarkable group of epiphytic cacti known for their striking, often nocturnal blooms. These plants are highly sought after by indoor gardeners and collectors for their exotic flowers and low-maintenance growth habits. While they share some similarities with other cacti, their distinct epiphytic growth and vibrant blooms set them apart.
Epiphyllum is a member of the Cactaceae family, which also includes the popular Chrismas cactus, prickly pear (opuntia), pincushion cactus (mammillaria), and the iconic saguaro cactus and San Pedro cactus.
The Orchid Cactus is celebrated for its unique foliage and striking flowers. Unlike typical cacti with rounded, spiny bodies, the Orchid Cactus has flat, broad, and leaf-like stems that cascade downwards, making them ideal for hanging baskets or elevated pots. These stems are segmented and may be slightly notched or lobed, giving the plant a lush, tropical appearance.
The Orchid Cactus’s most distinctive feature is its flowers. They are often large and funnel-shaped and come in a range of vibrant colors, including white, pink, red, yellow, and orange. Some species have blooms that open at night and release a sweet fragrance, which attracts pollinators such as moths and bats. These flowers can reach up to 8 inches (20 cm) in diameter, making them some of the most spectacular blooms in the cactus world.
Epiphyllums are native to Central America’s tropical and subtropical rainforests, particularly Mexico and parts of South America. In their natural habitat, they grow as epiphytes, meaning they grow on other plants, typically trees, rather than in the soil. They cling to the bark of trees, absorbing moisture and nutrients from the air and decaying organic matter. Their natural environment is shaded, with filtered sunlight and high humidity, which mimics the conditions in which they thrive in cultivation.
The growth habit of Orchid Cacti is trailing and cascading. This makes them ideal for hanging baskets, where their long, pendulous stems can drape down beautifully.
Depending on the species or hybrid, Epiphyllums can vary in size. The stems typically grow to lengths of 2 to 10 feet (0.6 to 3 meters). As the plant matures, it spreads outwards, with the cascading stems reaching up to 3 feet (0.9 meters) in width. Pruning can control the overall size of the plant, but in ideal conditions, it will naturally grow into a large, bushy, and trailing specimen.
The flowers of Epiphyllum make these cacti truly spectacular. Due to their large size, exotic appearance, and delicate nature, they are often described as orchid-like. The blooms come in a variety of colors, including white, pink, red, orange, yellow, and even multi-colored hybrids. They can range from 4 to 8 inches (10 to 20 cm) in diameter and are usually funnel-shaped or tubular.
Some Epiphyllum species produce night-blooming flowers, which open in the evening and release a sweet fragrance to attract nocturnal pollinators such as moths and bats. These flowers are short-lived, often lasting just a day or two, but their impact is memorable, making them a favorite among collectors. The daytime bloomers, while equally beautiful, tend to last a little longer. Regardless of when they bloom, the flowers are striking and are one of the main reasons for the popularity of these plants.
Epiphyllum oxypetalum (Queen of the Night)
The bloom time varies depending on the species or hybrid, but most typically bloom in spring or early summer. The exact timing of the blooms can also depend on environmental factors, including light levels, temperature, and the plant’s overall health. Some species may bloom sporadically throughout the year, especially if kept in ideal growing conditions.
Unlike most other cacti, Epiphyllum species do not have traditional spines. Instead, their stems are flat, broad, and leaf-like, with a slightly lobed or notched appearance. These stems are technically modified branches, known as cladodes, that take on the role of photosynthesis, storage, and reproduction. The stems are typically green, though they may take on a reddish hue in strong light or under stress.
The absence of spines makes Epiphyllum easier to handle than many other cacti. However, they may have small bristle-like structures at the areoles (the points where spines would typically grow in other cacti), but these are usually soft and harmless.
Epiphyllums are tropical cacti and are best suited for growing in USDA hardiness zones 10-12. They prefer warm temperatures and high humidity, thriving between 60-80°F (16-27°C). They are not frost-hardy and must be protected from temperatures below 50°F (10°C). In colder climates, they can be grown indoors as houseplants or in greenhouses.
Epiphyllum is generally considered non-toxic to humans and pets. However, like all plants, it should not be ingested in large quantities by pets or children, as it could cause mild digestive upset.
Visual Appeal: The large, colorful blooms add a dramatic, tropical look to any space, whether indoors or outdoors.
Low Maintenance: Once established, these plants are relatively easy to care for, requiring minimal water and thriving in humid environments.
Air Purification: Like many houseplants, Epiphyllum can help purify indoor air by removing toxins and increasing oxygen levels.
Orchid Cacti prefer bright, indirect light. Although they can tolerate some early morning sun, direct midday sunlight can scorch their stems. If kept indoors, place them near a window with filtered sunlight, such as an east or north-facing window. If growing outdoors, position the plant where it gets light but is shielded from harsh midday sun.
Too much light can cause the stems to turn yellow or bleach, while too little light may result in leggy growth and fewer flowers.
The key to growing a healthy Orchid Cactus is using the right soil type. As epiphytes, these plants prefer a well-draining, aerated soil mix. A mix designed for orchids or bromeliads works well, or you can create your own by combining potting soil, perlite, and orchid bark. This mimics the plant’s natural environment, allowing water to drain quickly while retaining enough moisture for the roots to access.
Never use heavy garden soil or pure cactus soil, as this can retain too much moisture and lead to root rot.
Orchid Cacti prefer consistently moist but not waterlogged soil. Water thoroughly when the top inch of soil feels dry and ensure the pot has good drainage. Avoid overwatering, as this can lead to root rot, a common issue with epiphytic plants. In winter, reduce watering as the plant enters a dormant phase.
More frequent watering is necessary to support blooming during the growing season (spring and summer). Avoid letting the plant sit in standing water, and never allow the soil to dry out completely for long periods.
Orchid Cacti thrive in high humidity, similar to their native tropical environment. If the air in your home is dry, especially during winter, consider placing the plant on a tray of pebbles filled with water or using a room humidifier to maintain moisture levels. Misting the plant occasionally can also help maintain humidity.
In terms of temperature, Orchid Cacti prefer warmth. The ideal range is 60-80°F (16-27°C). They are not frost-tolerant, so if temperatures drop below 50°F (10°C), it’s best to bring the plant indoors. Protect it from cold drafts and sudden temperature changes.
In winter, move your plant to a cooler place, at 52–57°F (11–14°C), to encourage flowering. Once flower buds appear, return your orchid cactus to its usual position, at 60°F (16°C) or above, where it will bloom.
During the active growing season (spring and summer), Orchid Cacti benefit from regular feeding. Use a balanced, water-soluble fertilizer diluted to half strength. Fertilize once a month to promote healthy growth and flowering. Avoid over-fertilizing, as this can lead to salt build-up in the soil, which can damage the roots.
In winter, when the plant is dormant, stop fertilizing.
Orchid Cacti benefit from occasional pruning to keep them tidy and encourage bushier growth. Trim back any leggy or damaged stems using sharp, sterilized scissors. Pruning also helps improve airflow around the plant, reducing the likelihood of fungal issues.
You can use the cuttings for propagation. Allow the cut stems to callous for a few days before planting them in fresh, well-draining soil.
Orchid Cacti should be repotted every 2-3 years, preferably in the spring before the growing season begins. Choose a slightly larger pot, but avoid going too big, as these plants prefer to be slightly root-bound. Use fresh, well-draining potting mix to ensure the plant gets the necessary nutrients.
When repotting, be gentle with the roots, as they are delicate. Repotting not only provides the plant with fresh soil but also allows you to check for root rot or other issues.
The spectacular flowers of the Orchid Cactus are what make it so popular. With the right care, the plant produces large, funnel-shaped blooms that can reach up to 8 inches (20 cm) in diameter.
To encourage blooming:
Hardiness |
10 - 12 |
---|---|
Plant Type | Cactus & Succulents |
Plant Family | Cactaceae |
Genus | Epiphyllum |
Exposure | Partial Sun |
Season of Interest | Spring (Early, Mid, Late), Summer (Early, Mid, Late), Fall, Winter |
Height | 2' - 10' (60cm - 3m) |
Spread | 1' - 3' (30cm - 90cm) |
Maintenance | Low |
Water Needs | Low |
Soil Type | Loam, Sand |
Soil pH | Acid, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Showy, Evergreen, Fragrant |
Landscaping Ideas | Hanging Baskets, Patio And Containers |
Hardiness |
10 - 12 |
---|---|
Plant Type | Cactus & Succulents |
Plant Family | Cactaceae |
Genus | Epiphyllum |
Exposure | Partial Sun |
Season of Interest | Spring (Early, Mid, Late), Summer (Early, Mid, Late), Fall, Winter |
Height | 2' - 10' (60cm - 3m) |
Spread | 1' - 3' (30cm - 90cm) |
Maintenance | Low |
Water Needs | Low |
Soil Type | Loam, Sand |
Soil pH | Acid, Neutral |
Soil Drainage | Well-Drained |
Characteristics | Showy, Evergreen, Fragrant |
Landscaping Ideas | Hanging Baskets, Patio And Containers |
Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
Join now and start creating your dream garden!
Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
Join now and start creating your dream garden!