North America Native Plant

Alpine Collomia

Botanical name: Collomia debilis

USDA symbol: CODE

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Alpine Collomia: A Hidden Gem for Your Mountain Garden If you’ve been searching for a charming native perennial that thrives in challenging conditions, let me introduce you to alpine collomia (Collomia debilis). This delightful little wildflower might not be the showiest plant in your garden, but it’s definitely one of ...

Alpine Collomia: A Hidden Gem for Your Mountain Garden

If you’ve been searching for a charming native perennial that thrives in challenging conditions, let me introduce you to alpine collomia (Collomia debilis). This delightful little wildflower might not be the showiest plant in your garden, but it’s definitely one of the most resilient and ecologically valuable.

What Makes Alpine Collomia Special?

Alpine collomia is a native perennial forb that calls the mountainous regions of western North America home. Unlike woody shrubs or trees, this herbaceous beauty stays low to the ground and produces its energy through soft, green stems rather than thick, woody ones. Think of it as nature’s way of creating a perfectly compact package that can handle whatever the mountains throw at it.

You’ll find this native treasure naturally growing across seven western states: Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. It’s perfectly adapted to the challenging conditions of higher elevations, making it an excellent choice for gardeners dealing with similar tough growing conditions.

The Visual Appeal

Don’t expect alpine collomia to dominate your garden with flashy blooms, but do expect it to charm you with its understated elegance. This compact perennial produces clusters of small, tubular flowers in lovely shades of pink to lavender. The delicate blooms sit atop fine, narrow foliage that forms neat, low-growing mounds perfect for tucking into rock gardens or cascading over stone walls.

Where Alpine Collomia Shines

This versatile native is particularly well-suited for:

  • Rock gardens and alpine gardens
  • Xeriscape and drought-tolerant landscapes
  • Native plant gardens
  • Naturalized mountain or slope plantings
  • Ground cover in challenging, well-drained areas

Alpine collomia works beautifully as a ground cover, weaving between larger plants and filling in gaps with its spreading habit. It’s the kind of plant that makes other garden stars look even better by providing a subtle, textured backdrop.

Growing Conditions and Care

One of the best things about alpine collomia is how easy-going it is once you understand its preferences. This mountain native is hardy in USDA zones 4-8, making it suitable for a wide range of climates.

Soil requirements: The key to success with alpine collomia is excellent drainage. Think gravelly, sandy, or rocky soils that don’t hold water. It actually prefers poor soils over rich, amended garden beds – just like it would find in its natural mountain habitat.

Water needs: Once established, alpine collomia is quite drought tolerant and prefers dry to moderately moist conditions. Overwatering is more likely to cause problems than underwatering.

Light requirements: This adaptable plant does well in full sun to partial shade, though it typically performs best with at least 6 hours of sunlight daily.

Planting and Care Tips

Getting alpine collomia established is straightforward if you keep these tips in mind:

  • Plant in spring or fall when temperatures are moderate
  • Amend heavy clay soils with coarse sand or gravel to improve drainage
  • Mulch with gravel or sand rather than organic mulch to prevent moisture retention around the crown
  • Water regularly the first year to help establish roots, then reduce watering significantly
  • Avoid fertilizing – this plant thrives in lean conditions

Supporting Local Wildlife

While alpine collomia might look delicate, it’s a pollinator powerhouse. The small, tubular flowers are perfectly designed to attract native bees, small butterflies, and other beneficial insects. By choosing this native plant over non-native alternatives, you’re providing food sources that local wildlife has evolved alongside for thousands of years.

Is Alpine Collomia Right for Your Garden?

Alpine collomia is an excellent choice if you:

  • Want to support native wildlife and pollinators
  • Have challenging growing conditions with poor, well-drained soil
  • Prefer low-maintenance plants that don’t need regular watering
  • Are creating a rock garden or alpine-themed landscape
  • Value subtle beauty over bold, attention-grabbing displays

However, you might want to pass if you’re looking for a dramatic focal point plant or if you have heavy, poorly-draining clay soil that you can’t amend.

The Bottom Line

Alpine collomia proves that sometimes the best garden plants are the ones that work quietly behind the scenes. This native perennial offers reliable performance, supports local ecosystems, and brings a touch of mountain meadow magic to your landscape. Plus, once you get it established, it’s the kind of plant that just keeps on giving year after year with minimal fuss from you.

If you’re ready to embrace a more sustainable, wildlife-friendly approach to gardening, alpine collomia deserves a spot on your must-try list. Your local pollinators will thank you, and you’ll love having such a dependable, drought-tolerant beauty in your garden toolkit.

Alpine Collomia

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

Solanales

Family

Polemoniaceae Juss. - Phlox family

Genus

Collomia Nutt. - trumpet

Species

Collomia debilis (S. Watson) Greene - alpine collomia

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