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Typical inventory plug USDA, NRCS. 2012. The PLANTS Database (, 11 October 2012). National Plant Data Team, Greensboro, NC 27401-4901 USA.

Rudbeckia maxima

Giant coneflower

This species is huge, reaching 5 feet. Features bold, blue/green leaves and yellow flowers. The seeds are a favorite of the goldfinch. This South-central U.S. native tolerates light shade and heat, and some drought. Grows well in moist to dry soils in full sun. 


5 ft


3-4 ft

USDA Hardiness Zone:


Bloom Color:


Rudbeckia maxima Characteristics


  • Full Sun

Critter Resistance

  • Deer Resistant

Attracts Wildlife

  • Songbirds
  • Butterflies

Soil Moisture Preference

  • Moist to Dry


  • Naturalizing
  • Drought Tolerant
  • Dried Flower
  • Cut Flower

Flowering Months

  • July

Foliage Color

  • Green

Interesting Notes:

For more information on this plant, visit the USDA PLANTS Database: