Rhipsalis Red Coral (Pseudorhipsalis ramulosa ‘Red Coral’ or Rhipsalis pilocarpa ‘Red Coral’) is a popular houseplant known for its cascading, coral-like stems. These thin, elongated stems display vibrant reddish hues, especially with adequate light exposure. Originating from the tropical rainforests of Central and South America, this epiphytic cactus naturally grows on trees and rocks. Its unique appearance and relatively easy care make it a popular choice, especially for hanging baskets.
Caring for Rhipsalis Red Coral
Light Requirements
Rhipsalis Red Coral thrives in bright, indirect light, mimicking its natural habitat beneath the canopy of larger trees. Placing it near an east or west-facing window is ideal, providing gentle morning or afternoon sun. Direct, intense sunlight should be avoided, as it can scorch the delicate stems and leaves. While it can tolerate lower light conditions, insufficient light may lead to less vibrant red coloration in its stems.
Watering Needs
This plant prefers consistent moisture but requires excellent drainage to prevent root rot. The “soak and dry” method works well: water thoroughly until water drains from the bottom of the pot, then allow the top one to two inches (2-5 cm) of soil to dry out completely before watering again. As an epiphyte, it is sensitive to overwatering, which can lead to mushy stems. During the cooler winter months, reduce watering frequency significantly as the plant’s growth slows.
Ideal Soil Mix
A well-draining, airy potting mix is important for Rhipsalis Red Coral. A blend suitable for epiphytes or succulents is recommended. This can be achieved by combining peat-based soil with amendments like perlite, orchid bark, or coco coir. A general houseplant mix can also be used if enriched with about 40% perlite to enhance drainage.
Temperature and Humidity
Rhipsalis Red Coral prefers average room temperatures, between 65-80°F (18-27°C). Protect the plant from temperatures below 50°F (10°C), as cold can cause damage. Originating from rainforests, it appreciates moderate to high humidity levels, around 50-70%. To increase humidity, consider using a pebble tray, grouping it with other plants, or employing a room humidifier.
Fertilizing
During the active growing season, Rhipsalis Red Coral benefits from regular fertilization. Apply a balanced liquid fertilizer diluted to half strength every two to four weeks. Fertilization should be reduced or stopped entirely during the fall and winter months, when the plant enters a dormant phase. Over-fertilization can harm the plant, so use a lower concentration more frequently.
Propagating Rhipsalis Red Coral
Propagating Rhipsalis Red Coral is primarily done through stem cuttings. Select a healthy stem segment, a few inches long. Use clean, sharp scissors or pruning shears to make a precise cut just below a joint or segment. After cutting, allow the cut end to air dry and form a callus for at least one to two days; this step helps prevent rot when planted.
Once callused, plant the cutting in a pot filled with a well-draining succulent or cactus potting mix. Insert the cut end about half an inch to three-quarters of an inch deep into the soil. Keep the soil lightly moist, but not soggy, and place the pot in a warm spot with indirect light. Roots typically develop within a month, indicated by the cutting feeling firm when gently wiggled.
Common Rhipsalis Red Coral Issues
Shriveling or wrinkling stems indicate underwatering or potential root issues. If the soil is consistently dry and stems appear puckered, an increase in watering frequency may be needed. Conversely, yellowing or mushy stems are signs of overwatering, which can lead to root rot. In such cases, allow the soil to dry out completely and assess drainage.
A lack of the characteristic red coloration points to insufficient light exposure. While Rhipsalis Red Coral tolerates some shade, brighter indirect light encourages the vibrant reddish hues. Common houseplant pests like mealybugs and spider mites can affect Rhipsalis. Regularly inspecting the plant and treating infestations promptly with insecticidal soap or neem oil can help manage these issues.