Eryngium yuccifolium (Rattlesnake Master) - Plugs

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Ranging from Minnesota to Michigan south to the Gulf Coast and west to Kansas, Oklahoma and Texas, Rattlesnake Master is a curious carrot-family species of the tallgrass prairies of the Midwest.

Rattlesnake master grows 4-5 feet tall in dry, sandy soils in full sun; the flowers and plants have a slight resemblance to some thistle species, but they aren't related in any way and definitely aren't prickly.  The flowers, according to John Hilty of, have a "sickly honey scent".  They do attract many different species of pollinators, though, and bloom over a long period from June to September.


Rattlesnake Master is difficult to integrate in a traditional perennial border because of its size and habit, but it is an excellent plant for prairie restoration and pollinator gardens.  Rattlesnake master attracts bees, wasps, butterflies, moths and flies, and the long bloom period makes it a good staple species to include in a naturalistic planting.

How to Grow Rattlesnake Master

Rattlesnake Master is very easy to grow; however, like most prairie plants it forms a deep root system that makes it just about impossible to transplant, so site carefully.  Space plants 24 inches apart in average soil in full sun, and it should grow happily.

We provide Rattlesnake Master both in our Quart SuperPlugs and our RootMaker 32 trays; the Quart SuperPlugs are excellent for gardens as they fill out quickly, and the RootMaker 32 Trays are an economical choice for conservation plantings and areas where a large amount of plants is required.  Find out more at Plant Sizes.

Common Name: Rattlesnake Master
Botanical Name: Eryngium yuccifolium
Availability: Available May 2020
USDA Hardiness Zones: 3-8
Height: 48-60 Inches
Spread: 24-36 Inches
Spacing: 30 Inches
Flower Color: Greenish-White
Bloom Time: June to September
Texture: medium
Habit: Upright Clump; Thistle-Like
Light Exposure: Full Sun; Dry Prairies and Sandy Savannahs
Soil Moisture: Average to Dry
Soil Texture: Clay Loam to Sandy Loam; Gravelly
Soil PH: Neutral
Landscape Uses: Conservation Plantings, Pollinator Gardens
Benefits: Attracts Pollinators, Deer Resistant, Rabbit Resistant
Ecological Function: Nectar and Pollen, Larval Food Source