Gloriosa Daisy

Rudbeckia hirta

Also called Black-eyed Susan

  • AKA Rudbeckia gloriosa
  • Biennial or short-lived perennial
  • Pale daisy-like flowers with golden petals surround a central dark cone
  • Rough hairy mid-green lance-shaped leaves, 10 cm long
  • Stem leaves are usually narrower and shorter than the species
  • Bloom Time: Early July to September
  • Flower Height: 100 cm
  • Foliage Height: 70 cm
  • Flower Size: 8 cm



60-70 cm

40-60 cm

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Growing and Maintenance Tips:

A biennial, it is a very prolific seeder and flowers from the first-year's germination. Grows best in an average to dry, well-drained soil, in full sun to partial shade. Deadheading will help with overall appearance but is not necessary for extending bloom times. Tolerates hot and humid summers and has a good tolerance to drought. Leaving finished flowers will provide both winter interest and food for birds. 

Additional Notes about Gloriosa Daisy:

Native to Ontario