Oligoneuron rigidum (L.) Small
Stiff Goldenrod, Hard-leaf Goldenrod
Asteraceae (Aster Family)
USDA Symbol: OLRI
A tall, coarse, hairy stem bearing a dense, rounded or flat-topped, terminal cluster of dark yellow, bell-shaped flower heads.
This is a deep-rooted and handsome species. There are similar species with relatively broad leaves and flat-topped clusters in eastern North America, but this is the only one with hairy stems.
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Bloom InformationBloom Color: Yellow
Bloom Time: Aug , Sep , Oct
DistributionUSA: AL , AR , CO , CT , DC , GA , IA , IL , IN , KS , KY , LA , MA , MD , MI , MN , MO , MS , MT , NC , ND , NE , NJ , NM , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , WI , WV , WY
Canada: AB , MB , ON , SK
Native Distribution: Alberta east to Ontario, south through New York to Georgia, west to Texas, and north to North Dakota.
Native Habitat: Prairies, thickets, and open woods.
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry , Moist , Wet
Soil Description: Easy care plant will do fine in all soil types, nutrient poor soil and acidic or neutral soil.
BenefitConspicuous Flowers: yes
Value to Beneficial InsectsSpecial Value to Native Bees
Special Value to Honey Bees
Supports Conservation Biological Control
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationPropagation Material: Clump Division , Seeds
Description: Divide plants in spring or fall or start from seed.
Seed Treatment: Easy to start from seed, which requires moist stratification.
Find Seed or Plants
View propagation protocol from Native Plants Network.
BibliographyBibref 928 - 100 easy-to-grow native plants for Canadian gardens (2005) Johnson, L.; A. Leyerle
Bibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
Bibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
Search More Titles in Bibliography
From the ArchiveWildflower Newsletter 1995 VOL. 12, NO.1 - Night of the Wildflowers a Tremendous Success, Congressmen Pickle and Andrews Ho...
Additional resourcesUSDA: Find Oligoneuron rigidum in USDA Plants
FNA: Find Oligoneuron rigidum in the Flora of North America (if available)
Google: Search Google for Oligoneuron rigidum
MetadataRecord Modified: 2013-09-12
Research By: TWC Staff