Blood trumpet vine
Amphilophium buccinatorium
Description
Blood trumpet vine (scientific name Amphilophium buccinatorium, formerly known as Distictis buccinatoria) is a vigorous evergreen climbing plant belonging to the Bignoniaceae family. Recognized for its rapid growth rate and stunning, trumpet-shaped flowers, it is a popular choice for vertical gardening in warm-climate landscapes.
Native to Mexico, this species thrives in tropical and subtropical environments. In cultivation, it is widely utilized in regions where freezing temperatures are rare. While it can tolerate brief periods of cool weather, it is primarily suited for USDA zones 9 and above, where it can maintain its lush, evergreen foliage throughout the year without significant winter dieback.
The plant features woody stems and complex leaves equipped with tendrils, enabling it to climb various surfaces, including brick walls, trellises, and fences. The flowers are the highlight of the plant; they are vivid red with a yellow throat, creating a high-contrast display that attracts pollinators, including hummingbirds and various species of bees, during the flowering season.
Success with this vine requires a location that receives full to partial sun. The soil must be fertile, well-draining, and rich in organic matter to support the rapid growth of the stems. Regular watering is necessary during the establishment phase, though mature plants show moderate drought tolerance. Proper pruning is essential to manage the vine's size and encourage denser growth.
- Full sun exposure for optimal blooming.
- Rich, loamy, and well-drained soil.
- Regular irrigation, especially during dry summers.
- Strategic pruning to maintain shape.
- Support structures such as wires or sturdy trellises.
In landscaping, the Blood trumpet vine is used to screen fences, provide shade for outdoor structures, and add a tropical aesthetic to building exteriors. Common pests include aphids, scale insects, and spider mites, which can be managed with consistent monitoring and integrated pest management practices. Keeping the root zone well-mulched also helps preserve soil moisture and health.