How much sun does Rayless arnica need?

Rayless arnica grows best in part shade conditions.

When does Rayless arnica bloom?

Rayless arnica blooms in April, May, June, and July.

Where is Rayless arnica native?

Rayless arnica (Arnica discoidea) is native to CA, NV, OR, WA, per the World Checklist of Vascular Plants (Kew).

What pollinators does Rayless arnica attract?

Rayless arnica draws bees and flies.

Rayless arnica

Name: Pollinator Patch
Author: Pollinator Patch

Arnica discoidea

Last reviewed: August 2026

Light

part shade

Water

low

Size

8"–20" H × 8"–12" W

Bloom

Apr, May, Jun, Jul

Native to

CA, NV, OR, WA

Pollinators

bees, flies

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A woodland perennial with paired hairy leaves and slender stems topped by yellow, button-like flower heads that lack the typical ray petals of most daisies.

Wildlife value

Provides nectar and pollen for small native bees and flies in forest openings.

Common questions

How much sun does Rayless arnica need?: Rayless arnica grows best in part shade conditions.
When does Rayless arnica bloom?: Rayless arnica blooms in April, May, June, and July.
Where is Rayless arnica native?: Rayless arnica (Arnica discoidea) is native to CA, NV, OR, WA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Rayless arnica attract?: Rayless arnica draws bees and flies.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

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