Scaly Blazing Star, Colic Root, Rattlesnake Master, Button Snakeroot

Liatrissquarrosa

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Liatris (ly-AT-riss)
Species
squarrosa (skwa-RO-suh)
Synonym
Liatris squarrosa var. squarrosa
Lacinaria squarrosa
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Lavender
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Lexington, Kentucky

Florence, Mississippi

Lincoln, Nebraska

Norman, Oklahoma

Collierville, Tennessee

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
Sort By:
Sort By:
J
Collierville, TN | July 2021 | positive

It is now blooming in my zone 7b garden.

T
T
Murfreesboro, TN (Zone 7a) | February 2003 | neutral

Unlike Eryngium yuccifolium, with whom this plant shares the common name "Rattlesnake Master", Liatris squarrosa does not provide any med...Read More

Featured
Cabbage White
(Pieris rapae)
Secretary Bird
(Sagittarius serpentarius)
Featured
Cabbage White
(Pieris rapae)
Secretary Bird
(Sagittarius serpentarius)