Rudbeckia triloba
Browneyed Susan
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Browneyed Susan (Rudbeckia triloba) - Description
Rudbeckia triloba (Browneyed Susan, Brown-eyed Susan, Thin-leaved Coneflower, Three-leaved Coneflower) is a plant native to the United States. It is sometimes grown in gardens, but it is usually seen in old fields or along roadsides. Herbaceous biennial to weak perennial. Native to central-eastern United States. Height is 2–3 feet with a spread of 1 to 1.
Browneyed Susan (Rudbeckia triloba) - Blooming
Blooms daisy-like flowerheads with conical centers between summer and fall. The florets are often reflexed, and mainly exhibit shades of yellow and orange-red.
Browneyed Susan (Rudbeckia triloba) - Growth
Annuals, biennials, and perennials. Rudbeckias do well in full sun or partial shade. The flowers of most species of Rudbeckia are suitable for cutting. Rudbeckia also works well in a border, or naturalized into a meadow or woodland garden. R. hirta is particularly nice as an annual for bedding or borders.
Browneyed Susan (Rudbeckia triloba) - Planting
Sow perennial seeds in containers in a cold frame in fall or spring. Divide perennials in fall or spring. Sow annual and biennial seeds at 61-64°F (16-18°C) in spring.
Browneyed Susan (Rudbeckia triloba) - Pest
Slugs and snails are a threat to young growth. Rudbeckia is also prone to aphids, powdery mildew, leaf spots, rust, and smut.
Browneyed Susan (Rudbeckia triloba) - Interesting facts
Rudbeckia is native to North America. There are 20 known species. They are called coneflowers, because of their conical centers that can be black, brown, or green.
Browneyed Susan (Rudbeckia triloba) - Soil and irrigation
Rudbeckias prefer moderately rich, heavy, well-drained soils that do not dry out. R. fulgida var. deamii tolerates dry conditions the best compared to other species.
