Helianthus argophyllus Torr. & A. Gray
Asteraceae (Aster Family)
USDA Symbol: HEAR3
From the Image Gallery
Plant CharacteristicsDuration: Annual
Size Notes: 3 to 10 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: Aug , Sep , Oct , Nov
DistributionUSA: FL , NC , TX
Growing ConditionsWater Use: Medium
Light Requirement: Sun
Soil Moisture: Moist
Conditions Comments: Silky silver foliage and bright yellow flowers make this a rewarding garden plant. Reseeds easily and grows quickly during warm weather. Seeds relished by finches and other seed eating birds. Bottom leaves drop as the plant grows, so looks best with other lower plants such as Pavonia or Lantana in front to hide the bareness.
BenefitConspicuous Flowers: yes
Interesting Foliage: yes
Attracts: Birds , Butterflies
Larval Host: Bordered patch and Silvery checkerspot
Nectar Source: yes
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Butterflies and Moths of North America (BAMONA)
Learn more at BAMONA
Silvery Checkerspot |
Learn more at BAMONA
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Texas Parks and Wildlife Department - Austin, TX
Wildflower Center Seed BankLBJWC-1305 Collected 2009-10-24 in Aransas County by Lady Bird Johnson Wildflower Center
BibliographyBibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Helianthus argophyllus in USDA Plants
FNA: Find Helianthus argophyllus in the Flora of North America (if available)
Google: Search Google for Helianthus argophyllus
MetadataRecord Modified: 2022-12-28
Research By: TWC Staff