Native Plants

Chamisso Arnica

Arnica chamissonis foliosa var. maguirei

USDA symbol: ARCHM2

perennial forb

Lower 48 states: native

If you’re a gardener who loves discovering rare native gems, let me introduce you to Chamisso arnica (Arnica chamissonis foliosa var. maguirei). This charming perennial might not be the showiest plant in your garden center, but it’s got something special going for it – it’s a true Montana native with ...

Chamisso Arnica: A Montana Native Worth Knowing

If you’re a gardener who loves discovering rare native gems, let me introduce you to Chamisso arnica (Arnica chamissonis foliosa var. maguirei). This charming perennial might not be the showiest plant in your garden center, but it’s got something special going for it – it’s a true Montana native with a story worth telling.

What Makes This Plant Special?

Chamisso arnica belongs to that wonderful group of plants we call forbs – essentially, it’s an herbaceous perennial that stays close to the ground without developing woody stems. Think of it as nature’s way of creating a plant that’s built to last through Montana’s challenging seasons while keeping a low profile.

As a perennial, this little beauty will come back year after year, making it a solid investment for gardeners who appreciate plants that stick around for the long haul.

Where You’ll Find It Growing Wild

Here’s where things get interesting – this particular variety of Chamisso arnica is native specifically to Montana. That makes it pretty special in the world of native plants, as it’s truly a local treasure.

  • Species observed
  • No observations

Should You Grow It in Your Garden?

Here’s the honest truth: this is one of those plants that’s more of a botanical curiosity than a mainstream garden star. Because it’s such a specialized variety, there’s limited information available about its specific growing requirements and garden performance.

However, if you’re someone who:

  • Lives in Montana and wants to support truly local native plants
  • Enjoys collecting rare or unusual varieties
  • Is interested in supporting native plant conservation
  • Has experience growing other native arnica species

Then this might be a plant worth seeking out – though you’ll likely need to work with specialized native plant nurseries or conservation groups to find it.

Growing Tips and Considerations

Since specific growing information for this variety is limited, here are some general guidelines based on what we know about native Montana plants and the arnica family:

  • As a Montana native, it’s likely adapted to cooler climates and mountain conditions
  • Most arnica species prefer well-draining soils
  • Native Montana plants often appreciate some protection from intense afternoon sun
  • Being a forb, it won’t compete well with aggressive weeds, so give it a clean growing space

The Bottom Line

Chamisso arnica (var. maguirei) is one of those plants that’s more valuable for its conservation significance than its garden pizzazz. If you can find it and you’re committed to growing Montana natives, it could be a meaningful addition to a specialized native plant collection.

For most gardeners, though, you might want to start with more readily available native Montana plants while keeping an eye out for this special variety. Sometimes the rarest plants make the best conversation starters – and who knows? You might just become part of helping preserve a unique piece of Montana’s natural heritage.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Arnica L. - arnica

Species: Arnica chamissonis Less. - Chamisso arnica

Subspecies: Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire - Chamisso arnica
Variety: Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire var. maguirei (A. Nelson) Maguire - Chamisso arnica

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