North America Native Plant

Rocky Mountain Blazing Star

Botanical name: Liatris ligulistylis

USDA symbol: LILI

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Lacinaria ligulistylis A. Nelson (LALI3)   

Rocky Mountain Blazing Star: A Prairie Powerhouse for Your Garden If you’re looking for a native plant that delivers big on beauty while asking little in return, meet the Rocky Mountain blazing star (Liatris ligulistylis). This prairie perennial might just be the low-maintenance showstopper your garden has been waiting for. ...

Rocky Mountain Blazing Star: A Prairie Powerhouse for Your Garden

If you’re looking for a native plant that delivers big on beauty while asking little in return, meet the Rocky Mountain blazing star (Liatris ligulistylis). This prairie perennial might just be the low-maintenance showstopper your garden has been waiting for.

What Makes Rocky Mountain Blazing Star Special?

Rocky Mountain blazing star is a native North American perennial that belongs to the sunflower family. Unlike many of its Liatris cousins, this species has a unique charm that sets it apart in the garden. As a forb (essentially a non-woody flowering plant), it brings vertical drama without taking up much horizontal space.

This hardy perennial is also known by the synonym Lacinaria ligulistylis, though you’re most likely to find it sold under its current botanical name, Liatris ligulistylis.

Where Does It Call Home?

Rocky Mountain blazing star is native to both Canada and the United States, with a natural range that spans an impressive territory. You’ll find it growing wild across Alberta, Manitoba, Saskatchewan, and down through Colorado, Connecticut, Illinois, Iowa, Minnesota, Missouri, Montana, New Mexico, North Dakota, South Dakota, Wisconsin, and Wyoming.

Garden Appeal: Why You’ll Love This Plant

What really makes Rocky Mountain blazing star shine is its late-summer flower display. The plant produces stunning purple-pink flower spikes that bloom from the top down – a quirky trait that distinguishes it from many other flowers that bloom bottom to top. These vibrant spikes rise above narrow, grass-like foliage, creating excellent vertical interest in your garden beds.

The timing of its bloom is particularly valuable, as it flowers when many other perennials are starting to fade, providing much-needed color and nectar sources during late summer and early fall.

Perfect Garden Roles

Rocky Mountain blazing star excels in several garden settings:

  • Prairie and wildflower gardens where it feels right at home
  • Pollinator gardens as a crucial late-season nectar source
  • Back-of-border plantings where its height adds drama
  • Naturalistic landscapes that mimic native ecosystems
  • Xeriscape gardens thanks to its drought tolerance

Growing Conditions: Easy Does It

One of the best things about Rocky Mountain blazing star is how adaptable it is. Based on its wetland status across different regions, this plant is quite flexible about moisture levels – it can handle both wet and dry conditions, though it typically prefers well-draining sites.

Here’s what this prairie native loves:

  • Sunlight: Full sun for best flowering
  • Soil: Well-draining soil, adaptable to various types
  • Water: Drought tolerant once established
  • pH: Prefers neutral to slightly alkaline conditions
  • Hardiness: Thrives in USDA zones 3-8

Planting and Care Tips

Getting Rocky Mountain blazing star established in your garden is refreshingly straightforward:

  • When to plant: Spring is ideal, after the last frost
  • Spacing: Give plants 12-18 inches between them
  • Watering: Water regularly the first season, then let nature take over
  • Maintenance: Minimal care needed once established
  • Deadheading: Optional for appearance, but consider leaving seed heads for wildlife

Wildlife and Pollinator Benefits

Rocky Mountain blazing star is a pollinator magnet, especially valuable because it blooms when many other nectar sources are becoming scarce. Butterflies, native bees, and other beneficial insects flock to its flowers. The seed heads that follow also provide food for birds, making this plant a year-round wildlife asset.

Should You Plant It?

If you’re gardening anywhere within its native range and want a low-maintenance perennial that supports local ecosystems, Rocky Mountain blazing star is an excellent choice. Its drought tolerance makes it perfect for water-wise gardens, while its late-season blooms fill a crucial gap in the pollinator calendar.

The only gardeners who might want to skip this one are those looking for plants that provide season-long color – this beauty saves its show for late summer. But for those who appreciate a plant that knows how to make an entrance when it counts, Rocky Mountain blazing star delivers in spades.

With its native credentials, wildlife benefits, and easy-care nature, this prairie perennial proves that sometimes the best garden additions are the ones that have been thriving in your region for centuries.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Eastern Mountains and Piedmont

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Midwest

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Northcentral & Northeast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Rocky Mountain Blazing Star

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Liatris Gaertn. ex Schreb. - blazing star

Species

Liatris ligulistylis (A. Nelson) K. Schum. - Rocky Mountain blazing star

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA