Rudbeckia hirta
Common names
black-eyed Susan
Biostatus
Exotic
Category
Vascular
Structural class
Herbs - Dicotyledonous composites
Flower colours
Black, Yellow
Conservation status
Not applicable
Detailed taxonomy
Family
Asteraceae
Ecology
Year naturalised
1997
Origin
North America
Reason for introduction
Ornamental
Tolerances
Drought and moderately cold tolerant
Control techniques
Disposal Method
Putt up and burn before seeding
Life cycle and dispersal
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.