BLACK-EYED SUSAN AT A GLANCE COMMON NAME: Black-eyed
Susan
SPECIES: Rudbeckia hirta (rood-beck'i-a, coneflower) (her-ta, meaning hairy) Member
daisy family.
FORM: Vase shape growth habit with single flowers at end of stems.
SIZE: 1-3 feet tall, 12-15 inches wide.
EXPOSURE: Sun to part shade.
LEAVES: Dark green, hairy.
FLOWERS: Daisy-like flowers, orange-yellow with dark brown cone centers, summer and
fall.
CULTURE: Easy to grow. Start seeds indoors 8-10 weeks before last spring frost, then
transplant outdoors. Set plants 18 inches apart. Prefer warm weather and soil. Tolerates
medium soil and moisture. Divide in spring.
USES: Meadow gardens, informal plantings, spacious perennial beds. Make nice cut
flowers.
PROBLEMS: Aphids, powdery mildew. Classified as slug-proof plant in book ``What
Perennial Where'' by DK Publishing.
RELATED VARIETIES: Rudbeckia Goldsturm, '99 Perennial of the Year. Gloriosa Daisy,
6-inch wide flowers from yellow and gold to mahogany, red or bicolored.
Sources: Virginia Cooperative Extension, Taylor's Guide to Perennials
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