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Rattlesnake Master

Original price was: $5.00.Current price is: $3.00.

Scattered along the stiff, upright stem of this unusual perennial are tough, blue-green, yucca-like, parallel-veined leaves. Perfect for withstanding wildlife, the Rattlesnake Master can survive just about anywhere. Perfect for beginner prairies!

Approximately 250 wildflower seeds per packet.


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Rattlesnake Master (Eryngium yuccifolium) are hardy Midwest native wildflowers with white, globe-like flower heads that resemble thistles.  Also known as Beargrass, it wards off hungry deer, rabbits, and other grazing animals with rigid, spiny leaves resembling those of the yucca plant. This perennial can become invasive, being a prolific self-sower largely avoided by wildlife except for pollinators.

Rattlesnake Master grows 4 to 6 feet tall, and blooms from late spring to early autumn(June-Sept).  It does well in moist, well drained soils, and prefers full sun conditions. It is located primarily in the Midwest of the United States and can be found growing alongside Prairie Blazing Star.

About PLS (Pure Live Seed)
Pure Air Natives tests all harvested seed for purity, germination, noxious weeds (state restricted), the dormancy. We only sell purest quality live seed that is going to germinate. (3rd Party Lab Tested)

Blooms July–September
Hardy to zone 3

Seed Details

Weight 0.025 lbs
Dimensions 3.5 × 0.1 × 2.25 in

Seed Packet

Bloom Color


Approx Seed Count



Seed germinates after cold-moist stratification.

Sun Exposure

Full, Partial

Moisture Exposure

Medium-Wet, Medium, Medium-Dry


2-4 Feet

Plant Spacing

18-24 Inches


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