Host an Event Volunteer Join Tickets

Support the plant database you love!

Share

Plant Database

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.

Enter a Plant Name:
Or you can choose a plant family:
Silphium gracile (Slender rosinweed)
Wasowski, Sally and Andy

Silphium gracile

Silphium gracile A. Gray

Slender Rosinweed

Asteraceae (Aster Family)

Synonym(s): Silphium simpsonii var. wrightii

USDA Symbol: SIGR4

USDA Native Status: L48 (N)

 

From the Image Gallery

25 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Retention: Deciduous
Size Notes: Up to about 3 feet tall.
Flower: Flowers 2 inches long.
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: Jun , Jul , Aug

Distribution

USA: FL , LA , MS , TX
Native Habitat: Roadsides, Prairie, Plains, Meadows, Pastures, Savannas

Growing Conditions

Water Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
Soil Description: Sandy, Sandy Loam, Medium Loam, Acid-based

Benefit

Use Ornamental: Perennial garden, Rocky hillside
Conspicuous Flowers: yes
Attracts: Butterflies
Nectar Source: yes

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Propagation Material: Seeds
Seed Collection: Grows well from seed. Collect seed in fall.
Maintenance: Gets rust no matter what.

Find Seed or Plants

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

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX

Bibliography

Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski

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.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-01-16
Research By: TWC Staff

Go back