Coreopsis major Walter
Greater Tickseed, Major Coreopsis
Asteraceae (Aster Family)
Synonym(s): Coreopsis major var. oemleri, Coreopsis major var. rigida, Coreopsis major var. stellata
USDA Symbol: COMA6
A coreopsis up to 3 feet tall with vivid yellow blooms in midsummer as much as 3 inches across.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep
DistributionUSA: AL , FL , GA , IN , KY , LA , MA , MS , NC , OH , PA , SC , TN , VA , WV
Native Habitat: Sandy or rocky slopes and hills.
Growing ConditionsWater Use: Low , Medium
Light Requirement: Sun
Soil Moisture: Dry , Moist
Deer Resistant: Moderate
Find Seed or Plants
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Mt. Cuba Center - Hockessin, DE
BibliographyBibref 1620 - Gardening with Native Plants of the South (Reprint Edition) (2009) Wasowski, S. with A. Wasowski
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Web ReferenceWebref 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
Research LiteratureReslit 2564 - A cladistic study of North American Coreopsis (Asteraceae: Heliantheae) (1987) R. K. Jansen, E. B. Smith, D. J. Crawford
Reslit 2565 - ITS sequences and phylogenetic relationships in Bidens and Coreopsis (Asteraceae) (1999) S. C. Kim, D. J. Crawford, M. Tadesse, M. Berbee, ...
Reslit 2568 - Leaf flavonoid chemistry of Coreopsis (Compositae) section Palmatae (1980) D. J. Crawford, E. B. Smith, A. M. Mueller
Reslit 2569 - Leaf flavonoid chemistry of North American Coreopsis (Compositae): intra-and intersectional variation (1983) D. J. Crawford, E. B. Smith
Reslit 2571 - The chromosome numbers of North American Coreopsis with phyletic interpretations (1975) E. B. Smith
Reslit 2572 - A biosystematic survey of Coreopsis in eastern United States and Canada (1976) E. B. Smith
Reslit 2573 - Phylogeny of eastern North American Coreopsis (Asteraceae-Coreopsideae): Insights from nuclear and plastid sequences and comments on character evolution (2005) D. J. Crawford, M. E. Mort
This information was provided by the Florida WIldflower Foundation.
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Additional resourcesUSDA: Find Coreopsis major in USDA Plants
FNA: Find Coreopsis major in the Flora of North America (if available)
Google: Search Google for Coreopsis major
MetadataRecord Modified: 2022-12-09
Research By: TWC Staff