Rattlesnake Master - Eryngium yuccifolium

Above: Rattlesnake Master near UW Arboretum Visitor Center in Madison, Wisconsin (7/22/21).

Rattlesnake Master - Eryngium yuccifolium

Rattlesnake Master is a native plant that likes full sun and grows in meadows, prairies. Rattlesnake Master can grow from 1 1/2'- 4' tall.

The white/green globe-like flowerheads are arrayed in an orbital cluster at the end of a tall, smooth stalk. Each flower head has numerous small flowers with 5 white petals. These flowerheads turn pinkish/purplish in the fall before turning brown.

Blooms July-August.

Above: The waxy, spined leaves of Rattlesnake Master are mostly basal, long and cactus-like.

For more information on the Rattlesnake Master, visit Wikipedia.

Or, visit the UW-Madison Wisconsin Herbarium online virtual flora website page on Rattlesnake Master.

Or, visit the U.S. Forest Service "Plant of the Week" website page on Rattlesnake Master.

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