Bloom Color

Interesting Notes

'Herbstonne' is an upright, rhizomatous, clump-forming perennial coneflower which typically grows 4-7' tall. This is a substantial plant which features large daisy-like flowers (3-4" across) with drooping yellow rays and elongated bright green center cones. Flowers bloom singly atop slender branching stems. Long summer bloom. Toothed, bright green leaves (3-6" long). 'Herbstonne' is varyingly sold as a cultivar of either Rudbeckia nitida or Rudbeckia laciniata, however some experts maintain that it is actually a hybrid between the two species. 'Herbstonne' is synonymous with 'Autumn Sun'. Kemper Center for Home Gardening

Growing and Maintenance Tips

This perennial is adaptable to a wide variety of conditions, but does best in well-drained soil in full sun. Spreads slowly by rhizomes. Deadhead to prolong blooming season. Propagate by seed, division or terminal cuttings. Outstanding in mass plantings as a border perennial, meadow, prairie and cutting gardens as well as a noninvasive groundcover.