Arnica lanceolata subsp. prima
Arnica lanceolata subsp. prima
Lanceleaf arnica is a native North American wildflower prized for its bright yellow daisy-like blooms and well-known medicinal properties in herbal traditions. It prefers cool, moist, partially shaded conditions similar to mountain meadows and open woodlands in the Pacific Northwest and Alaska. Plant in humus-rich, well-drained soil and avoid hot, dry summers for the best performance.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
18″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
18″
Watering Schedule
Every 7-10 Days • Water Consistently To Keep Soil Evenly Moist; Avoid Prolonged Drying Out
Soil pH
6 – 7.3
Temperature
-10° – 85°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Medium
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.