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PlantSnap
Plant Care
Yellow trumpetbush
(Tecoma castanifolia)
Also Known As
Yellow trumpetbush, Rio grande trumpet vine, Brazilian trumpet vine, Yellow elder
About This Plant
Tecoma castanifolia is a species of flowering plant in the family Bignoniaceae. It is a small tree or shrub that can grow up to 10 feet (3 meters) tall. The leaves are dark green and glossy, and the flowers are bright orange and trumpet-shaped.
Plant Care Instructions
Outdoor Size Range
5-10 feet (1.5-3 meters)
Light Requirements
Tecoma castanifolia requires full sun to thrive. It can tolerate some shade, but will not flower as profusely in shady locations.
Humidity Needs
Tecoma castanifolia can tolerate low humidity, but will benefit from occasional misting in dry environments.
Fertilizing Schedule
Feed with a balanced fertilizer every two weeks during the growing season (spring and summer).
Pruning Guidelines
Regular pruning is not necessary, but can help to maintain a desired shape. Prune after flowering to encourage bushier growth and more flowers.
Common Pests and Diseases
Tecoma castanifolia is generally not susceptible to pests or diseases, but may attract aphids or spider mites in dry environments.
Indoor Size Range
Not suitable for indoor growth
Watering Schedule
This plant requires moderate watering. Allow the soil to dry out slightly between waterings, but do not let it completely dry out.
Temperature Range
This plant prefers warm temperatures between 60-85°F (15-29°C). It can tolerate brief periods of cold, but is not frost-tolerant.
Growing Season
Tecoma castanifolia grows best during the spring and summer months.
Growing Difficulty Level
Tecoma castanifolia is considered moderately difficult to grow. It requires specific conditions and care to thrive, but is generally not too finicky.
USDA Hardiness Zones
Tecoma castanifolia is hardy in USDA zones 9-11.
Did You Know?
Tecoma castanifolia is known to attract hummingbirds and butterflies with its bright orange flowers.
