How much sun does Giant purple wakerobin need?

Giant purple wakerobin grows best in shade conditions.

When does Giant purple wakerobin bloom?

Giant purple wakerobin blooms in March, April, and May.

Where is Giant purple wakerobin native?

Giant purple wakerobin (Trillium kurabayashii) is native to CA, OR, per the World Checklist of Vascular Plants (Kew).

What pollinators does Giant purple wakerobin attract?

Giant purple wakerobin draws beetles and flies.

Giant purple wakerobin

Name: Pollinator Patch
Author: Pollinator Patch

Trillium kurabayashii

Last reviewed: October 2026

Giant purple wakerobin (Trillium kurabayashii) is a perennial forb native to CA, OR. It blooms in March, April, and May. The flowers draw beetles and flies.

Toxicity unknown

Giant purple wakerobin (Trillium kurabayashii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

shade

Water

medium

Size

8"–16" H × 10"–16" W

Bloom

Mar, Apr, May

Native to

CA, OR

Pollinators

beetles, flies

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Browse plants for this ecoregion

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A large, prized woodland trillium with mottled leaves and a bold, deep maroon-purple flower held upright above the foliage in early spring. It is slow to spread but always reads as a neat, deliberate accent under shaded trees.

Growing Giant purple wakerobin

Grow Giant purple wakerobin in shade and medium water. Mature plants reach 8 to 16 inches tall and spread 10 to 16 inches wide.

Wildlife value

The flower's dark color and faint scent attract beetles and flies as pollinators, mimicking the appeal of decaying matter.

Common questions

How much sun does Giant purple wakerobin need?: Giant purple wakerobin grows best in shade conditions.
When does Giant purple wakerobin bloom?: Giant purple wakerobin blooms in March, April, and May.
Where is Giant purple wakerobin native?: Giant purple wakerobin (Trillium kurabayashii) is native to CA, OR, per the World Checklist of Vascular Plants (Kew).
What pollinators does Giant purple wakerobin attract?: Giant purple wakerobin draws beetles 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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