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Toxicity flag: high

Keep this plant away from pets and children who chew on landscape plants.

Corn lily (Veratrum californicum), swirl of large young leaves. At about 9000ft along High Trail (part of Pacific Crest Trail) above Agnew Meadows, Ansel Adams Wilderness, California.

Photo: Dcrjsr (CC BY 3.0), via Wikimedia Commons

high water

California False Hellebore

Veratrum californicum

California False Hellebore (Veratrum californicum) is a landscape plant valued for its form and structure as much as its bloom. It reaches roughly 6 ft at maturity and blooms in mid spring. Match it to full sun to part shade and keep the root zone consistently moist. One caveat worth knowing before you plant: parts of this species carry a toxicity flag (high), so keep it away from pets and kids who chew on landscape plants. Given a spot that matches its light and water needs, it is a dependable, low-drama addition to the yard.

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Hardiness range

A hardiness zone is not on file for this plant yet, and a ZIP-level fit check is not available for it.

How it does in your yard

HabitNot recorded
Hardiness zoneNot recorded
Mature heightAbout 6 ft
Waterhigh
Bloom periodMid Spring
Native to the USNot recorded
Toxicityhigh

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Questions

Is California False Hellebore native to the United States?

USDA PLANTS data does not record California False Hellebore as native to the United States.

What USDA hardiness zone does California False Hellebore need?

A minimum hardiness zone is not on file for California False Hellebore yet.