Rudbeckia subtomentosa 'Henry Eilers' (30)ct Flat
Common Name: Black-Eyed Susan, Coneflower.
Zones 4 to 8, Sun, tolerates some light shade.
Plants reach 4 to 5 feet tall and 2 to 3 feet wide; Growth rate: Moderate; easy to grow herbaceous perennial spreads by rhizomes and self-seeding.
Brilliant yellow starburst flowers measuring two inches across have quilled petals and a brown button center. From mid-summer into fall, flowers bloom in clusters atop strong, sometimes-branching, 4 to 5 foot tall upright stems. Dark gray-green leaves have a mild vanilla aroma.
R. subtomentosa is taller, more yellow and a bit more shade tolerant than R. fulgida. R. subtomentosa occurs naturally in prairies, along streams, and in open wooded areas in portions of the midwest, Ozark highlands, and southern Great Plains. In 2003, 'Henry Eilers' was found wild in Montgomery County, Illinois.
Rudbeckias are easily grown in average, dry to medium, well-drained soils. For the most blooms, plants prefer full sun and consistent moisture, though established plants have some drought tolerance. Remove spent flowers to encourage additional bloom. Rudbeckias are very easy to divide in the spring.
Attributes: Border plants, Container, Cut flower, Mass Planting, Easy to grow. Attracts butterflies and songbirds. |