Plant guide
Black-eyed Susan vine
Thunbergia alata
Black-eyed Susan vine is considered non-toxic to cats. Let its colorful flowers climb a support or trail from a secure basket away from playful paws.
Non-toxic does not mean edible. Eating plant material can still upset your cat’s stomach.
What this guide covers: Thunbergia alata only. Check the botanical name; a photo cannot establish the identity of your plant.
Photo:
Photo details
Thunbergia alata — Flower from an unknown yellow cultivar 5 petals dark brown throat.
By Kathleen Moore
License: CC BY 4.0
Resized and converted to WebP for display; botanical details unchanged.
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Photo:
Photo details
Thunbergia alata — Flower from an unknown yellow cultivar 5 petals dark brown throat.
By Kathleen Moore
License: CC BY 4.0
Resized and converted to WebP for display; botanical details unchanged.
Black-eyed Susan vine seeds
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Non-toxic does not mean edible. Chewing plants can still upset your cat’s stomach.
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Look for Thunbergia alata and check the selected variety. Listings and availability can change.
Plant identity
- Scientific name
- Thunbergia alata
- Scope
- Species
- Family
- Not recorded
- Also known as
- No reviewed aliases available
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How to grow this plant
Thunbergia alata only. Check the botanical name; a photo cannot establish the identity of your plant.
- Light
- Sunny position or Some direct sun
Full sun with some afternoon shade.
- Watering
Maintain moderate moisture without waterlogging.
- Temperature
- Temperature range not yet established
Tender vine; protect from frost. No indoor range proposed.
- Humidity
No specific humidity target established.
- Potting
- Rich, well-drained soil.
- Through the year
- Provide a trellis or hanging basket. It can self-seed and become weedy in frost-free areas.
Growing-guide sources
- Thunbergia alata ↗NC State Extension · Accessed 2026-10-16
Thunbergia alata only. Check the botanical name; a photo cannot establish the identity of your plant.
Growing advice reviewed 2026-10-17. Plant safety is assessed separately.
Reviewed safety information
- Toxic principle
- Not recorded in the reviewed evidence
- Reported signs
- Not recorded in the reviewed evidence
Missing information is unknown. It should not be interpreted as an absence of risk.
Safe alternatives
No verified alternative recommendations are available for this guide.
Sources & review
- Black-eyed Susan vine: source assessment ↗Veterinary Poisons Information Service · Accessed
Safety last reviewed .