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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.Epiphyllum ackermannii, often referred to as the Orchid Cactus or Red Orchid Cactus, is a spectacular epiphytic cactus prized for its vivid blooms and cascading growth. Native to the tropical forests of Mexico and Central America, this plant belongs to the Cactaceae family but differs significantly from the spiny desert cacti. Instead, it thrives in shaded, humid environments, growing naturally on trees and rocks.
Its stems are long, flattened, and succulent-like, with wavy or serrated edges. These trailing stems can reach over 60 cm in length, forming dense, arching cascades that make it ideal for hanging baskets or raised planters. While the green stems are attractive on their own, the true glory of Epiphyllum ackermannii lies in its flowers.
In spring and early summer, mature plants produce large, trumpet-shaped flowers in intense shades of scarlet or crimson. Each bloom can reach up to 15 cm across, opening dramatically in daylight and lasting for several days. The flowers often appear in abundance, creating a dazzling display that fills interiors or greenhouses with colour. This striking performance has made the species one of the most popular and enduring choices among epiphytic cacti.
Prefers bright, indirect light. Place it near an east- or west-facing window, or provide filtered light in a south-facing room. Direct midday sun may scorch the stems, while too little light can reduce flowering. Outdoors in summer, it enjoys dappled shade.
Water thoroughly when the top 35 cm of soil is dry. During the growing and flowering season (spring to autumn), keep the soil evenly moist but never waterlogged. Reduce watering in winter, allowing the plant a short rest period. Always ensure good drainage.
Temperature: Best in 1826C. Protect from cold draughts and do not expose to temperatures below 10C.
Humidity: Appreciates moderate to high humidity. Regular misting or placement near a humidifier is beneficial, particularly in centrally heated homes.
A loose, free-draining mix is essential. A blend of orchid bark, perlite, and peat-free compost mimics the plants natural epiphytic habitat. Repot every 23 years in early spring to refresh the soil and provide room for new growth.
Feed every 2 weeks during the growing and flowering season with a high-potassium fertiliser (such as tomato feed) to promote abundant blooms. Switch to a balanced fertiliser during early spring when new growth begins. Stop feeding in winter.
Trim back dead or damaged stems with clean scissors after flowering. Pruning can also be used to control size and encourage bushier growth. Remove faded blooms promptly to keep the plant tidy and redirect energy into new growth.
Bloom time: Typically late spring to early summer.
Triggers: Flowers are encouraged by bright light, regular feeding, and a cooler rest period in winter (around 1215C with reduced watering).
Flowers: Large, scarlet-red blooms that open in the day and remain showy for several days.
Lack of flowers: Often caused by insufficient light, overfeeding with nitrogen, or skipping the cool winter rest.
Yellowing stems: May indicate overwatering or poor drainage.
Pests: Occasionally attracts mealybugs or spider mites; wipe stems regularly and check for infestations.
Epiphyllum ackermannii has been cultivated since the 19th century and is one of the most famous and widely grown orchid cacti. Its dazzling scarlet flowers earned it popularity among collectors and gardeners across Europe. Today, it remains a favourite for its combination of lush, trailing stems and jaw-dropping blooms, bringing a tropical spectacle to homes and conservatories.
Quick Care Summary
Light: Bright, indirect
Water: Keep evenly moist in springsummer, reduce in winter
Temperature: 1826C; avoid below 10C
Humidity: Moderate to high
Soil: Free-draining epiphytic mix
Feed: Every 2 weeks in growing season, high-potassium during flowering
Growth: Cascading stems; spectacular scarlet blooms in spring/summer
