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Rattlesnake Master
Rattlesnake Master botanical plate
Field guide plate · click to zoom

Rattlesnake Master

Eryngium yuccifolium
In the United States: Native · also called button eryngo, button snakeroot, beargrass

Honeybees visit rattlesnake master primarily for its moderate supplies of nectar and pollen, drawn to the honey-scented, spherical flower heads that bloom in mid-summer. Peak foraging occurs from July through August, with individual plants providing blooms for 4-6 weeks in suitable conditions. The species is notably drought-tolerant once established and resistant to deer damage due to its spiny, yucca-like foliage, thriving in full sun without need for staking or intensive care.

Nectarmedium
Pollenmedium
Bloom (US) June–August
Duration~2 months
TypePerennial
Sunfull

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