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Rudbeckia subtomentosa (Sweet coneflower)

Rudbeckia subtomentosa Rudbeckia subtomentosa 'Henry Eilers' Photo/Illustration: Courtesy of White Flower Farm



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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Rudbeckia subtomentosa rud-BEK-ee-ah sub-toe-men-TOE-sah Common Name: Sweet coneflower Genus: Rudbeckia
This dignified U.S. native species has downy leaves and bears clusters of luminous clear-yellow flowers with reddish-brown center cones. It blooms for over a month starting in mid- to late-summer.
 Noteworthy characteristics: Rudbeckias hail from the moist meadows and dappled woods of North America. They are suitable for mixed borders, meadows, native gardens, open woods, and large annual displays.
 Care: Grow in average, slightly heavy but well-drained soil in full sun to partial shade.
 Propagation: Sow seeds in a cold frame in early spring, or divide plants in spring or fall.
 Problems: Aphids, powdery mildew, smut, rust, Ramularia and Septoria leaf spots, snails, slugs.
Height 3 ft. to 6 ft.
Spread 1 ft. to 3 ft.
Growth Habit Clumps
Growth Pace Moderate Grower
Light Full Sun to Part Shade
Moisture Medium Moisture
Maintenance Low
Characteristics Attracts Butterflies; Fragrant Flowers; Native; Showy Flowers
Bloom Time Summer
Flower Color Brown Flower; Yellow Flower
Uses Beds and Borders, Cut Flower, Naturalizing, Roadside
Style Cottage Garden, Meadow Garden
Seasonal Interest Summer Interest, Fall Interest
Type Perennials

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