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Helianthus argophyllus
Helianthus argophyllus Torr. & A. Gray
Silverleaf Sunflower
Asteraceae (Aster Family)
Synonym(s):
USDA Symbol: HEAR3
USDA Native Status: L48 (N)
Plant Characteristics
Duration: AnnualHabit: Herb
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 Information
Bloom Color: YellowBloom Time: Aug , Sep , Oct , Nov
Distribution
USA: FL , NC , TXGrowing Conditions
Water Use: MediumLight 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.
Benefit
Conspicuous Flowers: yesInteresting Foliage: yes
Attracts: Birds , Butterflies
Larval Host: Bordered patch and Silvery checkerspot
Nectar Source: yes
Value to Beneficial Insects
Special Value to Native BeesThis information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Butterflies and Moths of North America (BAMONA)
Bordered Patch (Chlosyne lacinia) ![]() Larval Host |
Silvery Checkerspot (Chlosyne nycteis) ![]() Larval Host |
From the National Organizations Directory
According 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 Bank
LBJWC-1305 Collected 2009-10-24 in Aransas County by Lady Bird Johnson Wildflower CenterBibliography
Bibref 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 Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Helianthus argophyllus in USDA PlantsFNA: Find Helianthus argophyllus in the Flora of North America (if available)
Google: Search Google for Helianthus argophyllus
Metadata
Record Modified: 2022-12-28Research By: TWC Staff