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Rudbeckia subtomentosa

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Plant types and subtypes: Perennials

Light Requirements: sun, part-sun, part-shade

Water Use: medium

Soil Moisture: moist

Soil Description: average

Height: 3'-5'

Bloom Time: July, August, September, October

Bloom Color: yellow

Leaf Color: green, gray-green

Hardiness Zone: 5, 6, 7, 8

Additional Tags: attracts birds, attracts butterflies, clumping, colonizing, cottage garden plant, cut flowers, fall interest, fragrant flowers, naturalizing, stream margin plant

Rudbeckia subtomentosa (sweet coneflower)
  • Rudbeckia subtomentosa (sweet coneflower)
  • Rudbeckia subtomentosa (sweet coneflower)
  • Rudbeckia subtomentosa (sweet coneflower)

Pricing & Availability

Description

Rudbeckia subtomentosa

Also known as:

sweet coneflower

,

sweet black-eyed Susan

Scientific Synonyms:

Description

Rudbeckia subtomentosa is a yellow coneflower. It grows to a height of 5 feet. The leaves are downy, green to gray-green. The yellow flowers are daisy-like, with a brown center, and exude a sweet fragrance reminiscent of anise, hence its common name.

Cultivation

Sweet coneflower is native to moist open prairies and streambanks. Moist, well-drained soils are best. This species is more shade tolerant than most of the genus, but is resentful of drought. Very easy to grow and low maintenance. Self seeds with ease without becoming aggressive. It will bloom for months, beginning in July and going until frost; October or later. Zones 5-8

Propagation

Propagate from seed, or by division in spring.

Additional Notes

Ideal for cottage gardens, where it will be a source for cut flowers until late in the season. Good for flower borders and naturalized areas.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AR, CT, IA, IL, IN, KS, KY, LA, MA, MI, MO, MS, NC, NY, OK, TN, TX, WI

USDA Endangered Status:

  • Endangered: KY
  • Threatened: TN

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Rudbeckia coneflower
Species Rudbeckia subtomentosa sweet coneflower