North America Native Plant

Pacific Alpine Wormwood

Botanical name: Artemisia glomerata var. glomerata

USDA symbol: ARGLG

Life cycle: perennial

Habit: subshrub

Native status: Native to Alaska âš˜ Native to Canada  

Pacific Alpine Wormwood: A Hardy Northern Native Worth Knowing If you’re gardening in the far north or dreaming of creating an authentic arctic landscape, Pacific alpine wormwood (Artemisia glomerata var. glomerata) might just be the specialized native plant you’re looking for. This tough little perennial represents the resilient spirit of ...

Pacific Alpine Wormwood: A Hardy Northern Native Worth Knowing

If you’re gardening in the far north or dreaming of creating an authentic arctic landscape, Pacific alpine wormwood (Artemisia glomerata var. glomerata) might just be the specialized native plant you’re looking for. This tough little perennial represents the resilient spirit of northern ecosystems, though it’s definitely not your average backyard flower.

What Is Pacific Alpine Wormwood?

Pacific alpine wormwood is a native perennial forb that belongs to the vast Artemisia family. Unlike its woody cousins, this hardy herb lacks significant woody tissue above ground and keeps its growing buds at or below the soil surface – a smart survival strategy for plants that need to endure brutal northern winters.

This plant calls the most challenging climates of North America home. It’s native to Alaska and Canada, specifically thriving in Alaska and the Yukon Territory. These are regions where summer is relative and winter is an endurance test that would humble most garden plants.

Why Would You Want to Grow Pacific Alpine Wormwood?

Let’s be honest – this isn’t a plant for everyone. But if you’re in the right climate zone (likely USDA zones 1-4), here’s what Pacific alpine wormwood brings to the table:

  • Authentic native appeal: Perfect for gardeners wanting to showcase true northern flora
  • Cold hardiness: This plant laughs in the face of temperatures that would kill most garden favorites
  • Low maintenance: Once established in suitable conditions, it’s adapted to survive with minimal intervention
  • Unique garden niche: Ideal for alpine gardens, rock gardens, or specialized northern landscape designs

The Reality Check: Is This Plant Right for Your Garden?

Here’s where we need to have a heart-to-heart. Pacific alpine wormwood is a specialist that evolved for very specific conditions. If you’re gardening anywhere with warm summers or mild winters, this plant will likely struggle or fail entirely. It’s genuinely suited for:

  • Gardens in Alaska and northern Canada
  • Specialized alpine or arctic plant collections
  • Rock gardens in extremely cold climates
  • Native plant restorations in its natural range

Growing Conditions and Care

Pacific alpine wormwood demands respect for its origins. In the wild, it endures short growing seasons, intense cold, and often harsh, well-drained soils. To succeed with this plant:

  • Climate: Essential requirement for very cold winters and cool summers
  • Soil: Well-draining soil is crucial – soggy conditions spell disaster
  • Sun exposure: Full sun exposure, typical of alpine environments
  • Water: Moderate moisture during growing season, excellent drainage year-round

Planting and Propagation Tips

If you’re determined to grow Pacific alpine wormwood and live in an appropriate climate, sourcing may be your biggest challenge. This isn’t a plant you’ll find at your local garden center. Consider:

  • Contacting native plant societies in Alaska or northern Canada
  • Specialized alpine plant nurseries
  • Seed collection from wild populations (where legally permitted)
  • Connecting with botanical gardens that specialize in arctic flora

The Bottom Line

Pacific alpine wormwood is a fascinating example of plant adaptation to extreme environments. While it’s not suitable for most gardens, it represents an important piece of northern ecosystem puzzle. If you’re gardening in its native range and want to celebrate local flora, it could be a meaningful addition to a specialized native plant collection.

For gardeners in warmer climates interested in the artemisia family, consider more adaptable native alternatives like white sage or other regionally appropriate wormwood species that will thrive in your specific conditions.

Remember: the best garden plants are those that naturally want to grow where you live. Pacific alpine wormwood definitely knows where it belongs!

Pacific Alpine Wormwood

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

Artemisia L. - sagebrush

Species

Artemisia glomerata Ledeb. - Pacific alpine wormwood

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