Rudbeckia fulgida, the orange coneflower or perennial coneflower, is a species of flowering plant in the family Asteraceae, native to eastern North America.
It is an herbaceous perennial growing up to tall, with bright yellow daisy-like composite flower heads.
Rudbeckia fulgida spreads by both stoloniferous stems and seed. The seeds are produced in fruits called cypselae, which are long and have short coroniform pappi long.
The ripe seed is a favorite food of finches in winter.
R. fulgida may be found in a variety of habitats such as bogs, woodlands, bottomlands, and calcareous slopes.
This species has been observed to flower from January through September.
The Latin specific epithet fulgida means "shining" or "glistening".
The plant is a source of fulgidic acid named after it.
There are seven varieties;
Rudbeckia fulgida var. deamii and R. fulgida var. sullivantii 'Goldsturm' have both gained the Royal Horticultural Society's Award of Garden Merit.
Vernalization is beneficial to flower initiation. Recommendations are listed below: