Oligoneuron rigidum var. rigidum
Oligoneuron rigidum (L.) Small var. rigidum
Asteraceae (Aster Family)
Synonym(s): Oligoneuron grandiflorum, Solidago grandiflora, Solidago rigida
USDA Symbol: olrir
The stout, unbranched stems of stiff goldenrod are 1-5 ft. tall and often occur in clumps. The rosettes of long, oval, over-wintering, basal leaves are less noticeable than the thick, leathery stem leaves. Each stem ends in a flat-topped inflorescence of yellow flower heads.
Stiff Goldenrod attracts butterflies.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep , Oct
DistributionUSA: AR , CT , DC , IA , IL , IN , KS , KY , LA , MA , MD , MI , MN , MO , NC , NE , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , WI , WV
Canada: MB , ON , SK
Native Distribution: CT & NY to GA, w. to Alt. & NM; more common westward
Native Habitat: Dry prairies; open places
Growing ConditionsWater Use: Medium
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist
CaCO3 Tolerance: Medium
Soil Description: Sandy soils.
Conditions Comments: Rigid goldenrod may be too aggressive for small areas and will need competition. It is a heavy self-seeder.
BenefitUse Wildlife: Rigid goldenrod attracts butterflies.
Conspicuous 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.
PropagationDescription: Seed germination may be increased with stratification, but this pre-treatment is not absolutely necessary. If planting untreated seed, be sure it is fresh. Propagate also by division of mature plants in spring or fall.
Seed Collection: Collect in October.
Seed Treatment: Cold-moist or dry stratification.
Commercially Avail: yes
Find Seed or Plants
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Plant Center at Westchester Community College, The - Valhalla, NY
Additional resourcesUSDA: Find Oligoneuron rigidum var. rigidum in USDA Plants
FNA: Find Oligoneuron rigidum var. rigidum in the Flora of North America (if available)
Google: Search Google for Oligoneuron rigidum var. rigidum
MetadataRecord Modified: 2012-08-29
Research By: TWC Staff