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Rudbeckia triloba L.
Browneyed Susan, Brown-eyed-Susan, Thin-leaved coneflower, Three-lobed Rudbeckia
USDA Symbol: rutr2
USDA Native Status: Native to U.S.
A much-branched, hairy-stemmed, short-lived perennial, 2-5 ft. tall. More numerous flowers than R. hirta, with shorter and fewer petals.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct
AL , AR , CO , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , MI , MN , MO , MS , NC , NE , NJ , NY , OH , OK , PA , SC , TN , TX , UT , VA , VT , WI , WV Canada: ON
, QC Native Distribution:
NY to GA, s. to s. MN, w. IA, e. NE & OK; escaping northeastward Native Habitat:
Open, moist woods USDA Native Status: L48(N), CAN(I)
Growing ConditionsLight Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
Soil Description: Moist soils.
Conditions Comments: Drought-tolerant and adapts to several hours of shade.
BenefitConspicuous Flowers: yes
PropagationPropagation Material: Seeds
Description: Propagates very easily from seed sown in fall or spring. Large plants with numerous overlapping basal leaves, all from a single woody crown, may be divided in late winter or early spring
Seed Collection: The nutlets turn charcoal-gray at maturity, usually 3-4 weeks after the bloom period. Seeds are mature at this time, but they are easier to collect after cones lose their tight compact stucture. Store dry in sealed, refrigerated containers.
Seed Treatment: Not Available
Mr. Smarty Plants says
Native flowers for Door County, Wisconsin
September 02, 2009
We recently were required to put in a new septic system on our vacation property in Door County, WI. This left us with a clearing on our wooded lot where the septic field is now located. The installer...
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Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
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Record Modified: 2012-12-09
Research By: TWC Staff