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Rudbeckia triloba (Brown-eyed Susan)

Rudbeckia triloba (Brown-eyed Susan)
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Rudbeckia triloba’s many common names include Brown-Eyed Susan, Branched Coneflower, Thin-Leaved Coneflower and Three-Lobed Coneflower. Its native range extends from New York to Minnesota and south to Utah and Texas. The plant’s dark green basal leaves are slightly hairy and are divided into three oval parts, hence the species name.

While it prefers moderate moisture, Brown-eyed Susan tolerates most conditions, including drought, once it is established. A short-lived perennial, it self-seeds readily, flowering in its second year. Its abundant bright yellow flowers are flat, one to two inches across, with jet black centers that fade to brown. Blooming from late summer until hard frost, Rudbeckia triloba reaches two to five feet tall and becomes bushy if not crowded by other plants. It makes an excellent cut flower and complements any of the tall native grasses and common prairie wildflowers (see suggested 'companions' above).

Dormant bare root plants ship each year during optimal transplanting season: Fall (October) or Spring (April/May).

Potted plants come in a tray of 38 plants and ship mid-May through late-June. Click here if you prefer to mix/match up to 6 species in a tray.


Details
Catalog Number RUD08F
Seeds / Packet 750
Seeds / Ounce 34,000
Germination Code C(30)
Wetland Code FACU
USDA Zones 3-9
Plant Spacing 1-3'
Sun Exposure Full Sun  Part Shade 
Soil Moisture Wet-Mesic  Mesic (Medium)  Dry-Mesic 
Height 5 feet 
Bloom Color Yellow 
Bloom Time Aug  Sept  Oct 
Plant Type Wildflowers (Forbs) 
Availability Seeds  Roots  Potted Trays 
AVAILABLE PRODUCTS
Seeds

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Packet $2.50
1/4 oz. $3.00
1/2 oz. $3.90
1 oz. $6.00
Bare Root Plants

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# of Plants:

1 - 2 $5.00
3 - 11 $4.00
Potted Plants

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Rudbeckia triloba (Brown-eyed Susan)
*This map shows the native and adventive range of this species. **Given appropriate habitat and climate, native plants can be grown outside their range.
BONAP Map Key
Present in state Present in county; native to state Not present in state  
Present in county, adventive in state    
Monarda fistulosa (Wild Bergamot) Agastache foeniculum (Anise Hyssop) Andropogon gerardii (Big Bluestem)
 
Sorghastrum nutans (Indian Grass) Artemisia ludoviciana (Prairie Sage) Echinacea pallida (Pale Purple Coneflower)
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North American Native Plants for Restoration and Gardening