North America Native Plant

Macoun’s Fringed Gentian

Botanical name: Gentianopsis macounii

USDA symbol: GEMA7

Life cycle: annual

Habit: forb

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

Synonyms: Anthopogon tonsum (Lunell) Rydb. (ANTO6)  âš˜  Gentianella crinita (Froel.) G. Don ssp. macounii (T. Holm) J.M. Gillett (GECRM)  âš˜  Gentiana crinita Froel. var. tonsa (Lunell) B. Boivin (GECRT)  âš˜  Gentiana gaspensis Vict. (GEGA4)  âš˜  Gentiana macounii T. Holm (GEMA9)  âš˜  Gentianopsis procera (T. Holm) Ma ssp. macounii (T. Holm) Iltis (GEPRM)  âš˜  Gentiana tonsa (Lunell) Vict. (GETO4)   

Macoun’s Fringed Gentian: A Late-Season Native Beauty Worth Growing If you’re looking for a native wildflower that saves its best show for last, Macoun’s fringed gentian (Gentianopsis macounii) might just be your new favorite plant. While most flowers are calling it quits as autumn approaches, this charming annual is just ...

Macoun’s Fringed Gentian: A Late-Season Native Beauty Worth Growing

If you’re looking for a native wildflower that saves its best show for last, Macoun’s fringed gentian (Gentianopsis macounii) might just be your new favorite plant. While most flowers are calling it quits as autumn approaches, this charming annual is just getting started, unfurling its spectacular fringed purple-blue blooms when the garden needs them most.

What Makes This Gentian Special?

Macoun’s fringed gentian is a true North American native, naturally occurring across the northern Great Plains and boreal regions. You’ll find it growing wild from the Canadian prairie provinces of Alberta, British Columbia, Manitoba, Ontario, Quebec, and Saskatchewan, down through the Northwest Territories and into the northern United States, including Minnesota, Montana, North Dakota, and South Dakota.

As an annual forb (that’s botanist-speak for a non-woody flowering plant), this gentian completes its entire life cycle in one growing season. But don’t let that fool you into thinking it’s not worth the effort – this plant packs a serious punch when it comes to late-season garden impact.

Garden Appeal and Landscape Role

What sets Macoun’s fringed gentian apart is its timing and its stunning flowers. The deep purple-blue blooms feature delicately fringed petals that create an almost ethereal appearance in late summer and fall. When most other wildflowers are fading, these beauties are just hitting their stride, providing crucial late-season color and interest.

This gentian works beautifully in:

  • Prairie and meadow gardens
  • Naturalized landscapes
  • Native plant gardens
  • Wildflower meadows
  • Areas where you want late-season color

Pollinator and Wildlife Benefits

One of the best reasons to grow Macoun’s fringed gentian is its value to pollinators. When nectar sources are becoming scarce in late summer and fall, these flowers provide a vital food source for bees and butterflies preparing for winter or migration. It’s like setting up a roadside diner for pollinators when most other restaurants have closed for the season.

Growing Conditions and Care

The good news is that Macoun’s fringed gentian isn’t particularly fussy once you understand its preferences. This hardy native thrives in USDA hardiness zones 2-6, making it suitable for northern gardeners who often struggle to find reliable flowering plants.

Ideal growing conditions include:

  • Moist to wet soils (it doesn’t mind getting its feet wet)
  • Full sun to partial shade
  • Alkaline soils are tolerated well
  • Areas with good air circulation

Planting and Propagation Tips

Since Macoun’s fringed gentian is an annual, you’ll need to think about seeds rather than transplants. The best approach is direct seeding in fall, which allows the seeds to experience the natural cold stratification they need to germinate properly in spring.

Here’s how to get started:

  • Scatter seeds in late fall directly where you want them to grow
  • Barely cover the seeds with soil – they need some light to germinate
  • Choose a spot with consistent moisture
  • Be patient – germination happens in spring after winter’s cold treatment
  • Once established, plants will often self-seed for future years

Is It Right for Your Garden?

Macoun’s fringed gentian is an excellent choice if you’re creating a native plant garden, want to support late-season pollinators, or are looking for something special to extend your garden’s flowering season. It’s particularly valuable in northern climates where it’s naturally adapted to thrive.

Keep in mind that as an annual, you won’t have the same plant returning year after year, but if conditions are right, it may self-seed and surprise you with new plants in unexpected places. Think of it as nature’s way of redecorating your garden each year.

This native beauty proves that sometimes the best things come to those who wait – and in the case of Macoun’s fringed gentian, the wait is definitely worth it.

Macoun’s Fringed Gentian

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

Gentianales

Family

Gentianaceae Juss. - Gentian family

Genus

Gentianopsis Ma - fringed gentian

Species

Gentianopsis macounii (T. Holm) Iltis - Macoun's fringed gentian

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