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PlantSnap
Plant Care
Red flag bush
(Mussaenda erythrophylla)
Also Known As
Red flag bush, Mussaenda, Asian mussaenda
About This Plant
Mussaenda erythrophylla is a tropical evergreen shrub that is native to Asia and Africa. It is known for its large, showy, and colorful bracts that surround its small, inconspicuous flowers. The plant can grow up to 10 feet (3 meters) tall and 6 feet (1.8 meters) wide.
Plant Care Instructions
Outdoor Size Range
6-10 feet (1.8-3 meters)
Light Requirements
Mussaenda erythrophylla requires bright, indirect light. It can tolerate some direct sunlight, but too much can scorch its leaves.
Humidity Needs
Mussaenda erythrophylla likes high humidity levels. It can benefit from regular misting or placing a humidifier nearby.
Fertilizing Schedule
Feed the plant with a balanced fertilizer every 2-3 weeks during the growing season (spring and summer).
Pruning Guidelines
Prune Mussaenda erythrophylla in the late winter or early spring before new growth appears. Remove any dead or damaged branches, and shape the plant as desired.
Common Pests and Diseases
Common pests that can affect Mussaenda erythrophylla include mealybugs, spider mites, and scale insects. Diseases are not usually a problem.
Indoor Size Range
3-6 feet (0.9-1.8 meters)
Watering Schedule
The plant prefers consistently moist soil. Water it when the top inch of soil feels dry to the touch.
Temperature Range
The plant prefers warm temperatures between 60-80°F (15-27°C). It cannot tolerate frost or temperatures below 50°F (10°C).
Growing Season
Mussaenda erythrophylla grows best during the spring and summer months, when temperatures are warm and humidity is high.
Growing Difficulty Level
Mussaenda erythrophylla is considered moderately difficult to grow. It requires specific conditions to thrive, such as high humidity and consistent moisture.
USDA Hardiness Zones
Mussaenda erythrophylla is hardy in USDA zones 9-11.
Did You Know?
In some cultures, Mussaenda erythrophylla is believed to have medicinal properties and is used to treat a variety of ailments, such as fever and headaches.
