Rayless arnica (Arnica discoidea)

Rayless arnica

Arnica discoidea is a rhizomatous perennial herb producing a hairy, glandular stem 20 to 60 centimeters tall. There are several pairs of toothed oval to spade-shaped leaves on long petioles around the lower half of the stem. The inflorescence contains a few to many flower heads which are coated with glandular hairs.

Scientific classification

Species

Rayless arnica (Arnica discoidea)

Asters bellflowers fanflowers and allies

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Herb

Plant Type

Images of Rayless arnica

Care Guide for Rayless arnica

Every week

Water

Pruning: Prune rayless arnica in early spring to remove dead stems and promote healthy growth. Thinning improves air circulation and light penetration. Use sharp tools for clean cuts to prevent disease. Proper pruning enhances flowering and ensures rayless arnica remains vibrant and resilient in gardens.

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