Black-Eyed Susan Vine
Thunbergia alata
A fast-growing tropical vine with vibrant trumpet-shaped flowers featuring distinctive dark centers. Despite its name, it's unrelated to the North American Rudbeckia.
Acanthaceae (Acanthus family)
Late spring through early fall (May-October), blooms with each flush of growth
Symbolism & Meanings
Key Meanings
Perfect For
Color Meanings
Cultural Significance
Native to tropical Africa, this vine has become a beloved annual in temperate gardens worldwide. It attracts pollinators including bees, butterflies, and hummingbirds, making it valuable for wildlife gardens.Shop Our Floral Collection
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Physical Characteristics
Natural Habitat
Growing Guide
Sunlight
Full sun (6-8 hours) for best flowering; tolerates partial shade but may bloom less
Water
Regular watering to keep soil consistently moist but not waterlogged; wilts quickly when dry
Soil
Rich, Moist, Well-drained, Fertile
Expert Growing Tips
Plant after last frost when soil reaches 60°F (15°C)
Provide support structure for climbing or allow to trail
Space plants 14-16 inches apart
Fertilize every 2-3 weeks during bloom period
Self-cleaning flowers require no deadheading
Can overwinter indoors in containers or take cuttings
Uses & Benefits
Ornamental Uses
- Climbing on trellises, fences, and arbors
- Cascading from hanging baskets and containers
- Ground cover when allowed to sprawl
- Privacy screens and living walls
- Mixed container plantings as thriller or spiller
Traditional Uses
- Not known for medicinal uses; primarily ornamental
- Plant parts may contain mild toxins and should not be consumed
Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.
Further Reading
Frequently Asked Questions about the Black-Eyed Susan Vine
Is black-eyed susan vine a perennial?
Black-eyed Susan vine is a tender perennial native to tropical Africa, but it's grown as an annual in most climates. It's only hardy in USDA zones 10-12.
How fast does black-eyed susan vine grow?
Black-eyed Susan vine is a fast grower, reaching 3-8 feet in a single season under ideal conditions. In warmer climates, it can grow even longer.
Does black-eyed susan vine need full sun?
Black-eyed Susan vine grows best in full sun with 6-8 hours of direct light daily. It tolerates partial shade but may produce fewer flowers.
Do black-eyed susan vines attract hummingbirds?
Yes, black-eyed Susan vines are excellent for attracting hummingbirds, butterflies, and bees with their tubular, nectar-rich flowers.
Available Colors
Quick Facts
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