Oneflower Helianthella

Helianthella uniflora (Nutt.) Torr. & A. Gray - Aster family

Size

Mature Height: Up to around 24 inches

Plant Type: Forb/herb

Root Depth: 6 inches

Growth Form: Multiple Stem

Growth Rate: Rapid

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intermediate

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: High

Flood Tolerance: None

Fire Tolerance: High

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Honey Bees; Larval Host (Moth)

Larval Species depending on Oneflower Helianthella: Suleima baracana, Suleima daracana

Native Range

  • USA:  Arizona, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming
  • CAN:  British Columbia
Regional Native Status: L48 (N), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.