Skip to main content

California Veratrum

Veratrum californicum

Last reviewed: August 2026

California Veratrum (Veratrum californicum)
Photo: Dcrjsr / Wikimedia Commons (CC BY 3.0)

Toxicity unknown

California Veratrum (Veratrum californicum) 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.

California Veratrum is listed as toxic to grazing livestock (cattle, sheep, and goats) at a severe level by the USDA PLANTS Database (opens in new tab). This is a livestock indicator and is separate from pet toxicity.

Light

part sun

Water

high

Size

24"–72" H × 12"–36" W

Bloom

Jun, Jul, Aug

Native to

AZ, CA, CO, ID and 6 more states

Pollinators

bees, flies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Veratrum californicum is a tall, dramatic perennial with large pleated leaves and towering spikes of small white flowers in summer. This moisture-loving plant creates bold architectural presence but requires consistent water and can be toxic to humans and animals.

In an HOA neighborhood

California Veratrum takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Extremely toxic to humans and pets
  • Requires high water needs

Wildlife value

The tall flower spikes attract bees and flies during the summer blooming period. However, all parts of the plant are highly toxic, limiting its wildlife browsing value.

Common questions

How much sun does California Veratrum need?
California Veratrum grows best in part sun conditions.
When does California Veratrum bloom?
California Veratrum blooms in June, July, and August.
Where is California Veratrum native?
California Veratrum (Veratrum californicum) is native to AZ, CA, CO, ID and 6 more states, per the World Checklist of Vascular Plants (Kew).
Is California Veratrum toxic to livestock?
California Veratrum is listed as toxic to grazing livestock such as cattle, sheep, and goats (severe severity) by the USDA PLANTS Database. This is separate from pet (dog and cat) toxicity.
What pollinators does California Veratrum attract?
California Veratrum draws bees and flies.
Is California Veratrum HOA-friendly?
California Veratrum takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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

Ready to grow California Veratrum? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz