Native Plants

Avens

Geum ×macranthum

USDA symbol: GEMA5

perennial forb

Alaska: native
Canada: native

If you’re looking to add a touch of the wild northern landscape to your garden, avens (Geum ×macranthum) might just be the perfect choice. This charming perennial brings a slice of Alaska and British Columbia’s natural beauty right to your backyard, though it comes with some important considerations for the ...

Avens may be listed as rare in your area.
Global Conservation Status

Status: S2Q | Imperiled: Extremely rare. Typically 6 to 20 occurrences or 1,000 to 3,000 remaining individuals.

Growing Avens: A Rare Gem from the Northern Wilderness

If you’re looking to add a touch of the wild northern landscape to your garden, avens (Geum ×macranthum) might just be the perfect choice. This charming perennial brings a slice of Alaska and British Columbia’s natural beauty right to your backyard, though it comes with some important considerations for the responsible gardener.

What Makes Avens Special?

Avens is a delightful forb – essentially a non-woody flowering plant – that stays relatively low to the ground and produces cheerful yellow blooms. Unlike its towering tree neighbors in the northern forests, this little beauty keeps things modest in stature while delivering big on charm. As a perennial, it’ll come back year after year once established, making it a worthwhile investment for patient gardeners.

Where Does Avens Call Home?

This northern native has a rather exclusive address – you’ll find wild populations only in Alaska and British Columbia. It’s perfectly adapted to the cool, sometimes harsh conditions of these northern regions, which gives you a hint about what it might prefer in your garden.

  • Species observed
  • No observations

A Word About Rarity

Here’s where things get important: avens carries a Global Conservation Status of S2Q, which indicates it has limited distribution and potentially vulnerable populations. This means if you’re considering growing this plant, you should only source it from reputable nurseries that propagate it responsibly rather than collecting from wild populations. Think of it as adopting a rescue dog – you want to make sure you’re helping, not contributing to the problem.

Garden Appeal and Design Role

Avens produces lovely yellow flowers that typically bloom in late spring to early summer, creating bright spots of color when many other plants are just getting started for the season. Its low-growing habit makes it excellent for:

  • Rock gardens where it can nestle between stones
  • Alpine-style plantings that mimic mountain meadows
  • Native plant gardens focused on northern species
  • Ground cover in naturalized areas

Growing Conditions: Keeping It Cool

Given its northern heritage, avens appreciates cooler conditions and won’t be happy in hot, humid climates. It thrives in USDA hardiness zones 2-6, so gardeners in northern regions are in luck. Here’s what this northern beauty prefers:

  • Well-drained soil (it doesn’t like wet feet)
  • Partial shade to full sun
  • Cool temperatures
  • Protection from intense afternoon heat in warmer zones

Planting and Care Tips

The good news is that once established, avens is relatively low-maintenance – just the way busy gardeners like it! Here are some tips for success:

  • Plant in spring or early fall when temperatures are cooler
  • Ensure good drainage to prevent root rot
  • Mulch around plants to keep roots cool and retain moisture
  • Water regularly during the first growing season, then reduce as the plant establishes
  • Deadhead spent flowers to potentially encourage more blooms

Wildlife and Pollinator Benefits

Those cheerful yellow flowers aren’t just pretty to look at – they also provide nectar for bees and other small pollinators. In its native range, avens likely supports various insects that have evolved alongside it, making it a valuable addition to pollinator-friendly gardens.

Should You Grow Avens?

If you live in a cooler climate (zones 2-6) and are passionate about native plants, avens could be a wonderful addition to your garden. However, due to its rarity status, approach this plant with respect and responsibility. Only purchase from reputable sources, never collect from the wild, and consider it a special privilege to grow this northern treasure.

For gardeners in warmer climates or those looking for easier alternatives, consider exploring other Geum species that might be better suited to your conditions and more readily available. There’s a whole world of native plants waiting to be discovered, and finding the right match for your specific location and garden goals is part of the fun!

Geum ×macranthum is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Geum ×macranthum is also known as:

Acomastylis macrantha | USDA symbol: ACMA7
Geum schofieldii Calder & Roy | USDA symbol: GESC2
Sieversia ×macrantha | USDA symbol: SIMA12

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Rosales
Family: Rosaceae Juss. - Rose family
Genus: Geum L. - avens

Species: Geum ×macranthum (Kearney) B. Boivin [calthifolium × rossii] - avens

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