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Eryngium yuccifolium (Rattlesnake master)
Other names: Rattlesnake's master, Button snakeroot, Button eryngo
E. yuccifolium is a clump-forming, herbaceous perennial with grey-green, strap-shaped leaves with serrated margins and grey-blue, prickly flowers in summer.
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0.8m max. spread |
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1.5m max. height |
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2-5 years to maturity |
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