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Cosmos parviflorus (Southwest cosmos) | NPIN

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Cosmos parviflorus (Southwest cosmos)
Duncan, Robert C.

Cosmos parviflorus

Cosmos parviflorus (Jacq.) Pers.

Southwest cosmos, Southwestern cosmos

Asteraceae (Aster Family)

Synonym(s): Coreopsis parviflora

USDA Symbol: COPA12

USDA Native Status: L48 (N)

Southwest cosmos grows 2-3 feet tall and is branched several times in the upper half, with a single flower head, about 1 1/4 inches across, at the end of each slender, bare stem. It has 8 pale-orchid ray flowers, with a yellow center. It is an attractive flower, suitable for cultivation, and seeds are commercially available. Leaves are threadlike, divided 2 or 3 times. It is not abundant, as it is grazed by livestock.


Plant Characteristics

Duration: Annual
Habit: Herb
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Pink , Violet
Bloom Time: Jun , Jul , Aug , Sep , Oct


USA: AZ , CO , MA , MD , ME , MO , NM , RI , TX

Value to Beneficial Insects

Special Value to Native Bees

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

Wildflower Center Seed Bank

LBJWC-PM-10 Collected 2010-09-26 in Jeff Davis County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank


Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller

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Recommended Species Lists

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Additional resources

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


Record Modified: 2007-01-01
Research By: TWC Staff

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