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Oligoneuron rigidum var. rigidum (L.) Small
Synonyms: Solidago rigida
USDA Symbol: OLRIR
USDA Native Status: Native to U.S.
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.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep , Oct
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
, SK Native Distribution:
CT & NY to GA, w. to Alt. & NM; more common westward Native Habitat:
Dry prairies; open places USDA Native Status: L48(N), CAN(N)
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
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
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Ohio Prairie Nursery
- Hiram, OH
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Record Modified: 2012-08-29
Research By: TWC Staff