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Silphium integrifolium (Wholeleaf rosinweed) | NPIN
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Silphium integrifolium (Wholeleaf rosinweed)
Bruso, George H.

Silphium integrifolium

Wholeleaf rosinweed, Entire-leaf rosinweed

Asteraceae (Aster Family)

USDA Symbol: SIIN2

USDA Native Status:

A coarse perennial, 2-6 ft. tall with large, yellow composite flowers and rough, paired, oval to lance-shaped leaves.

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Flower:
Fruit:
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jul , Aug , Sep

Distribution

USA: AL , AR , CO , IA , IL , IN , KS , KY , LA , MI , MN , MO , MS , NE , NM , OK , SD , TN , TX , WI , WY
Canada: ON
Native Distribution: IN to MS, w. to e. Great Plains
Native Habitat: Prairies

Growing Conditions

Light Requirement: Sun
Soil Description: Well-drained soils.
Conditions Comments: Not Available

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

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

Propagation

Description: Sow unstratified seed in fall or stratified seed in spring.
Seed Collection: Collect in Sep. and Oct.
Seed Treatment: Cold-moist stratification for 2 months.
Commercially Avail: yes

Find Seed or Plants

View propagation protocol from Native Plants Network.

From the National Organizations Directory

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

Nueces River Authority - Uvalde, TX
Mt. Cuba Center - Hockessin, DE
* Available Online from Wildflower Center Store

Bibliography

Bibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
* 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

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

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

Metadata

Record Modified: 2012-12-09
Research By: TWC Staff

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