Heartleaf Arnica

Arnica cordifolia Hook. - Aster family

Size

Mature Height: Up to around 18 inches

Planting Distance: 3.0 feet

Plant Type: Forb/herb

Root Depth: 6 inches

Growth Form: Rhizomatous

Growth Rate: Rapid

Features

Flower Color: Yellow

Conspicuous Flowers: Yes

Bloom Time: Late Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Tolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Low

Flood Tolerance: None

Fire Tolerance: High

Salt Tolerance: None

Ecosystem Interactions

Pollinators: Native Bees; Bombus; Beetles, Wasps, Flies; Butterflies; Larval Host (Moth)

Larval Species depending on Heartleaf Arnica: Bucculatrix arnicella

Native Range

  • CAN:  Alberta, British Columbia, Manitoba, Northwest Territorie, Ontario, Saskatchewan, Yukon
  • USA:  Arizona, California, Colorado, Idaho, Michigan, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming
Regional Native Status: L48 (N), AK (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.