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Bransford, W.D. and Dolphia

Oligoneuron rigidum

Oligoneuron rigidum (L.) Small

Stiff Goldenrod, Hard-leaf Goldenrod

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: OLRI

USDA Native Status: L48 (N), CAN (N)

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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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 5 feet tall.
Autumn Foliage: yes
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Aug , Sep , Oct , Nov

Distribution

USA: 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 Conditions

Light 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.

Benefit

Conspicuous Flowers: yes

Value to Beneficial Insects

Special 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.

Propagation

Propagation 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

Order seed of this species from Native American Seed and help support the Wildflower Center.

View propagation protocol from Native Plants Network.

Bibliography

Bibref 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

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

From the Archive

Wildflower Newsletter 1995 VOL. 12, NO.1 - Night of the Wildflowers a Tremendous Success, Congressmen Pickle and Andrews Ho...

Additional resources

USDA: Find Oligoneuron rigidum in USDA Plants
FNA: Find Oligoneuron rigidum in the Flora of North America (if available)
Google: Search Google for Oligoneuron rigidum

Metadata

Record Modified: 2022-12-30
Research By: TWC Staff

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