Rudbeckia subtomentosa, the sweet coneflower,[1] is a flowering plant in the family Asteraceae and is found in the central United States.

Growing to 1.5 m (4.9 ft) tall, it is an erect herbaceous perennial that produces brown centered, yellow daisy-like flowers from late summer to fall. It flowers best in a sheltered position with full sun.[2]

In cultivation in the UK, the cultivar 'Loofahsa Wheaten Gold' has received the Royal Horticultural Society's Award of Garden Merit.[3]

References

  1. ^ USDA, NRCS (n.d.). "Rudbeckia subtomentosa". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 July 2019.
  2. ^ "Rudbeckia subtomentosa". RHS. Retrieved 8 October 2023.
  3. ^ "Rudbeckia subtomentosa 'Loofahsa Wheaten Gold'". www.rhs.org. Royal Horticultural Society. Retrieved 8 October 2023.