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Death Camas Wikimedia Commons
Melanthiaceae

Death Camas

Zigadenus venenosus

Danger and caution.

Family
Melanthiaceae
Genus
Zigadenus
Native to
Western North America
Bloom season
Spring, Early Summer
Type
Perennial
Height
20-60 cm
Sunlight
Full sun to partial shade
Soil
Moist, well-drained meadow
Water
Moderate
Hardiness
3-8
Lifespan
Perennial

Did you know

  • Death camas is one of the most toxic plants in North America; all parts contain steroidal alkaloids.
  • It closely resembles edible wild onions and camas lilies, leading to accidental poisonings throughout history.
  • The Lewis and Clark Expedition recorded several men falling ill after eating death camas bulbs.
  • Unlike the edible camas, death camas bulbs have no onion-like smell, which is the key identification difference.
  • Livestock losses from death camas poisoning were historically significant in western rangelands.

Color meanings

0

Warning

1

Danger

2

Deception

Uses

  • Conservation
  • Native plant restoration
  • Botanical study