Another name for foothill arnica (Arnica fulgens) is hillside arnica because it thrives on mountains, hillsides, and high elevations. This relative of sunflowers indigenous to western North America and was harvested and identified in the early 1800s by the Lewis and Clark expedition.
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Perennial
Lifespan
1 cm to 3 cm
Flower Size
Yellow
Flower Color
Deciduous
Leaf type
5 - 32 ℃
Ideal Temperature
Spring, Summer
Growth Season
Moderate
Growth Rate
On This Page
Images
Attributes
Care Guide
Images of Foothill arnica
Attributes of Foothill arnica
Growth Rate
Foothill arnica's moderate growth rate witnesses a steady surge during spring, with consistent increase in its leaf production and height. Come summer, its evolution emphasizes on blossoming, with orange-yellow flowers dominating the scene. This two-step seasonal development signifies its well-distributed energy allocation strategy, indicative of survival in its mountainous habitat.
Care Guide for Foothill arnica
Every week
Water
Partial sun
Sunlight
5 - 32 ℃
Ideal Temperature
Water:
Foothill arnica prefers consistent moisture, simulating its native rainfall, while being resilient to brief dry periods. Weekly watering is essential for vitality and pollinator attraction, enhancing its symbiotic role in the ecosystem as a commonly grown herbaceous perennial outdoors.
Fertilize:
For optimal growth, foothill arnica requires balanced nutrition fertilizers every 4-6 weeks during its growing season. Adjust doses in autumn to prepare for dormancy; always water after fertilization to prevent root burn. Granular, slow-release formulas provide consistent care for foothill arnica.
Pruning:
Foothill arnica features bright yellow flowers and thrives with strategic pruning. Best done in early to late spring, prune to remove damage, shape the plant, and encourage new growth. Deadheading spent blooms extends flowering, but avoid excessive pruning to prevent stress and maintain vitality.
Propagation:
Foothill arnica is a perennial favored for its bright yellow flowers and healing properties. For effective propagation, sow seeds in well-draining soil, keep it moist, and ensure exposure to sunlight for germination. Protect young plants from extreme conditions for robust growth.
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