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Native Plants of the Great Lakes

North Branch Restoration Project: Native Plant and Seed Collection

Eryngium Yuccifolium / Family: Apiaceae
Rattlesnake Master, Swink/Wilhelm # 9

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FLOWERING: July to early September

SEED TIMING: October

HABITAT: Dry to mesic prairie

DIAGNOSTIC FEATURES: 2.5 to 4 feet high. Bristly, round, green flower heads with prickly, spiky, yucca-like leaves.

TO PICK: Look for brown stem and brown, round seed heads. Very prickly. Wear gloves. Break or clip off entire head. Later process dried heads through a screen to release seeds. The top doesn’t look different even when seeds are gone. Test to be sure there are seeds left in the heads by shaking or stroking.

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