Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Osmorhiza claytonii (Michx.) C.B. Clarke
Clayton's Sweetroot, Hairy Sweet-cicely, Sweet Jarvil
Apiaceae (Carrot Family)
Synonym(s): Osmorhiza aristata var. brevistylis, Washingtonia claytonii
USDA Symbol: OSCL
USDA Native Status: L48 (N), CAN (N)
A hairy plant with small sparse compound umbels of white flowers. The 1-3 ft. stems are usually solitary and covered with long, soft hairs. Leaves are divided into threes, two or three times. Open clusters (compound umbel) of small, white flowers rise above the foliage on stalks from upper leaf axils.
The roots of this plant have an anise-like odor when bruised. Several species of this genus occur in the East, among them Anise Root (O. longistylis), which has styles to 1/4 inch (4 mm) long.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Schizocarp
Size Notes: Up to about 3 feet tall.
Bloom InformationBloom Color: White
Bloom Time: May , Jun
DistributionUSA: AL , AR , CT , DC , DE , GA , IA , IL , IN , KS , KY , MA , MD , ME , MI , MN , MO , NC , ND , NE , NH , NJ , NY , OH , PA , RI , SC , SD , TN , VA , VT , WI , WV
Canada: MB , NB , NS , ON , PE , QC
Native Distribution: Que., s. to GA mts., n.w. AR & e. KS (more abundant northward)
Native Habitat: Rich woods; wooded slopes.
Growing ConditionsLight Requirement: Shade
Soil Moisture: Moist
Soil Description: Moist, rich soils.
PropagationDescription: Sweet cicely is not easy, but not impossible, to start from seeds.
Commercially Avail: yes
Find Seed or Plants
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
BibliographyBibref 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 ReferenceWebref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Osmorhiza claytonii in USDA Plants
FNA: Find Osmorhiza claytonii in the Flora of North America (if available)
Google: Search Google for Osmorhiza claytonii
MetadataRecord Modified: 2023-02-21
Research By: TWC Staff