North America Native Plant

Boulder Mountain Cinquefoil

Botanical name: Potentilla angelliae

USDA symbol: POAN14

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Boulder Mountain Cinquefoil: A Rare Utah Endemic That’s Better Left Wild If you’ve stumbled across the name Boulder Mountain cinquefoil (Potentilla angelliae) in your native plant research, you’ve discovered one of Utah’s best-kept botanical secrets. But before you start planning where to plant it in your garden, there’s something important ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Boulder Mountain Cinquefoil: A Rare Utah Endemic That’s Better Left Wild

If you’ve stumbled across the name Boulder Mountain cinquefoil (Potentilla angelliae) in your native plant research, you’ve discovered one of Utah’s best-kept botanical secrets. But before you start planning where to plant it in your garden, there’s something important you need to know about this elusive little wildflower.

What Makes This Plant So Special (and So Rare)

Boulder Mountain cinquefoil is what botanists call an endemic species – meaning it exists naturally in only one place on Earth. In this case, that place is Utah, specifically in the Boulder Mountain region. This perennial forb belongs to the rose family and grows as a non-woody flowering plant, but beyond that, much about this species remains shrouded in mystery.

The plant carries a conservation status of S1S2, which translates to critically imperiled to imperiled. In plain English? This little guy is hanging on by a thread in the wild, with very few known populations remaining.

Where You’ll Find It (If You’re Lucky)

Boulder Mountain cinquefoil calls only Utah home, making it one of the state’s unique botanical treasures. Its limited range makes every individual plant precious for maintaining the species’ genetic diversity and long-term survival.

Should You Grow It in Your Garden?

Here’s where we need to have a serious conversation. While the idea of growing a rare native plant might seem appealing, Boulder Mountain cinquefoil presents some significant challenges:

  • Its extreme rarity means disturbing wild populations could harm the species
  • No cultivation information exists – we simply don’t know how to grow it successfully
  • Seeds or plants would need to come from responsible conservation sources with proper permits
  • The specific growing conditions it needs remain unknown

The Responsible Approach

If you’re passionate about supporting this rare species, consider these alternatives:

  • Support habitat conservation organizations working in Utah
  • Choose other native Potentilla species that are more common and garden-friendly
  • Participate in citizen science projects that help monitor rare plant populations
  • Create habitat for pollinators that might benefit this species in the wild

Better Native Alternatives for Your Garden

If you’re drawn to the cinquefoil family, consider these more garden-appropriate native options:

  • Shrubby cinquefoil (Potentilla fruticosa) – widely available and pollinator-friendly
  • Other regional native wildflowers that provide similar ecological benefits
  • Local native plants recommended by your area’s native plant society

The Bottom Line

Boulder Mountain cinquefoil represents something truly special – a piece of Utah’s unique natural heritage that deserves our protection rather than our cultivation attempts. Sometimes the best way to appreciate a rare plant is to ensure it continues thriving in its natural habitat for future generations to discover and marvel at.

Instead of trying to bring this rare beauty into your garden, why not take a trip to Utah’s beautiful landscapes and appreciate it (and countless other native treasures) in their natural setting? Your garden will do just fine with the many other wonderful native plants that are better suited for cultivation – and Boulder Mountain cinquefoil will be better off staying wild.

Boulder Mountain Cinquefoil

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Potentilla L. - cinquefoil

Species

Potentilla angelliae N.H. Holmgren - Boulder Mountain cinquefoil

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