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Helianthus argophyllus Torr. & Gray
USDA Symbol: hear3
USDA Native Status: Native to U.S.
Plant CharacteristicsDuration: Annual Habit: Herb Size Notes:
4-7 feet tall. Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Aug , Sep , Oct , Nov
FL , NC , TX USDA Native Status: L48(N)
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
Butterflies and Moths of North America (BAMONA)
is a larval host and/or nectar source for:
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Texas Parks and Wildlife Department
- Austin, TX
Wildflower Center Seed BankLBJWC-1305
Collected 2013-10-25 in Aransas County by Lady Bird Johnson Wildflower Center
Recommended Species Lists
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Record Modified: 2011-01-25
Research By: TWC Staff