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Native Plant Society of Texas

Bush Sunflower

Simsia calva

Asteraceae (Aster Family)

Awnless Bush Sunflower

Courtesy: Marcus, Joseph A., https://www.wildflower.org/gallery/result.php?id_image=14574
Courtesy: Marcus, Joseph A., https://www.wildflower.org/gallery/result.php?id_image=14574
Courtesy: Anderson, Wynn, https://www.wildflower.org/gallery/result.php?id_image=68429
Courtesy: Anderson, Wynn, https://www.wildflower.org/gallery/result.php?id_image=68429
Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC). United States, Texas, Knox Co., Knox City.
Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC). United States, Texas, Knox Co., Knox City.

Plant Ecoregion Distribution Map

Native Habitat: Grassland
Chihuahuan Deserts, Edwards Plateau, Southern Texas Plains, Texas Blackland Prairies

Maintenance

Extremely drought tolerant plant for a chalk prairie.

Comments

Orange and yellow blooms. It provides nectar for butterflies and seeds for songbirds. Larval Host: Bordered Patch Butterfly. Nectar: insects and butterflies.

Growth Form

Herbaceous

Height

1 to
3 ft

Spread

1 to
3 ft

Soil Type(s)

Limestone, Caliche, Well Drained

Light Requirement

Sun

Water Requirement

Low

Leaf Retention

Deciduous

Lifespan

Perennial

Bloom Color

Orange, Yellow

Bloom Season

Spring, Fall

Seasonal Interest

Seeds, Larval Host

Wildlife Benefit

Butterflies, Birds

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References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=SICA7. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Simsia+calva&formsubmit=Search+Terms. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=4329&locationType=County&mapType=Normal, 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=38415#null

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State Office Phone: 830.997.9272

State Office Address:
Native Plant Society of Texas
PO Box 3017
Fredericksburg, TX 78624

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