Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Simsia calva

Awnless bush sunflower, Bush sunflower

Asteraceae (Aster Family)

Simsia calva (Awnless bush sunflower)
Marcus, Joseph A.

Image Gallery:

37 photo(s) available

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Retention: Deciduous
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: May , Jun , Jul , Aug , Sep , Oct , Nov


Native Distribution: Central Texas west to southeastern New Mexico, south to Nuevo Leon in northeastern Mexico
Native Habitat: Frequent in all but the northeastern region of Texas on dry uplands. Well-drained limestone and caliche.

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Conditions Comments: Bush sunflower is an extremely drought tolerant plant for a chalk prairie. It provides nectar for butterflies and seeds for songbirds.


Conspicuous Flowers: yes
Attracts: Birds , Butterflies
Nectar Source: yes
Deer Resistant: Minimal

Last Update: 2009-05-14