Rudbeckia hirta
Common name
black-eyed Susan
Family
Asteraceae
Flora category
Vascular – Exotic
Structural class
Herbs - Dicotyledonous composites
Conservation status
Not applicable
Flower colours
Black, Yellow
Life cycle
Annual to short-lived perennial. Reproduces exclusively by seed which is dispersed by wind, gravity and probably water. Seed is probably long-lived - certainly forms a good seed bank where its been established for a season or so.
Year naturalised
1997
Origin
North America
Reason for introduction
Ornamental
Control techniques
Disposal Method
Putt up and burn before seeding
Tolerances
Drought and moderately cold tolerant