Host an Event Volunteer Join Tickets

Support the plant database you love!


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:
Aphanostephus riddellii (Riddell's dozedaisy)
Bransford, W.D. and Dolphia

Aphanostephus riddellii

Aphanostephus riddellii Torr. & A. Gray

Riddell's Dozedaisy, Lazy Daisy

Asteraceae (Aster Family)



USDA Native Status: L48 (N)


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Tap
Leaf Margin: Dentate
Size Notes: Up to about 20 inches tall, dependent on growing conditions.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Purple
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct


Native Distribution: Well-drained sand and loam.
Native Habitat: Found from the Texas panhandle, east to Corpus Christi.

Growing Conditions

Water Use: Low
Light Requirement: Sun
Soil Moisture: Moist
Heat Tolerant: yes
Soil Description: Sandy, Sandy Loam
Conditions Comments: The flowers open in the early afternoon, hence the common name. This plant grows well in sand and sandy-loam. It will become thicker and taller when planted in rich garden soil, average moisture and full sun. Lazy daisy is a good nectar source for butterflies.


Use Ornamental: Pocket prairie, Garden
Conspicuous Flowers: yes
Deer Resistant: Moderate


Propagation Material: Seeds
Commercially Avail: yes

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


Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.

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


Record Modified: 2022-11-21
Research By: TWC Staff, MWJ

Go back