Introduction to Ctenanthe
Ctenanthe (pronounced teh-NAN-thee) is a stunning genus of tropical plants closely related to Calathea and Maranta, all members of the Marantaceae family. Native to the tropical rainforests of Brazil, Ctenanthe plants are prized for their beautifully patterned, lance-shaped leaves with striking silver, green, and cream markings on top and rich purple undersides. Like their Prayer Plant relatives, Ctenanthe leaves move throughout the day — opening wide in daylight and folding upward at night. Their dramatic foliage and relatively easy care make them a favorite among tropical plant enthusiasts.
Light Requirements
Ctenanthe thrive in medium to bright indirect light. They can tolerate lower light conditions but will grow more slowly and may lose some of their vibrant patterning. Avoid direct sunlight, which scorches and fades their beautiful leaves. A north- or east-facing window is ideal.
Watering
Water when the top inch of soil feels dry. Like other Marantaceae family members, Ctenanthe are sensitive to fluoride and chlorine in tap water, which causes brown leaf tips. Always use filtered, distilled, or rainwater. Keep the soil consistently moist but never waterlogged — overwatering leads to root rot.
Humidity & Temperature
Ctenanthe love high humidity (60%+) and temperatures between 65–85°F (18–29°C). Use a humidifier, pebble tray, or group plants together to maintain adequate moisture. Protect from cold drafts and temperatures below 60°F, which cause leaf damage and browning.
Soil & Potting
Use a well-draining, peat-based potting mix with added perlite. Ctenanthe prefer slightly acidic soil (pH 6.0–6.5). Repot every 1–2 years in spring when roots begin to outgrow the pot.
Fertilizing
Feed monthly during spring and summer with a balanced liquid fertilizer diluted to half strength. Avoid over-fertilizing. Do not fertilize in fall and winter when growth naturally slows.
The Prayer Plant Movement
Like Calathea and Maranta, Ctenanthe exhibits nyctinasty — the fascinating daily movement of leaves that open during the day and fold upward at night. This movement is a sign of a healthy, well-cared-for plant!
Shop Our Ctenanthe Collection
- Ctenanthe burle-marxii 'Amagris' — stunning silver and green patterned leaves with purple undersides
Common Problems & Solutions
Brown leaf tips: Fluoride in tap water or low humidity — switch to filtered water and increase humidity. Yellow leaves: Overwatering — reduce watering frequency. Curling leaves: Underwatering or low humidity — water thoroughly and mist. Faded patterns: Too much direct light — move to a shadier spot.