North America Native Plant

Oregon Buttercup

Botanical name: Ranunculus oreogenes

USDA symbol: RAOR

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Oregon Buttercup: A Mountain Gem for Your Native Garden If you’re looking to add a splash of sunshine to your high-altitude or mountain-style garden, the Oregon buttercup (Ranunculus oreogenes) might just be the cheerful native wildflower you’ve been searching for. This delightful perennial brings the classic charm of buttercups to ...

Rare plant alert!

Region: Conservation status by state

Status: S3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Oregon Buttercup: A Mountain Gem for Your Native Garden

If you’re looking to add a splash of sunshine to your high-altitude or mountain-style garden, the Oregon buttercup (Ranunculus oreogenes) might just be the cheerful native wildflower you’ve been searching for. This delightful perennial brings the classic charm of buttercups to landscapes across the American Southwest, though it comes with some important considerations for responsible gardeners.

What Makes Oregon Buttercup Special?

Oregon buttercup is a native forb—basically a fancy term for a soft-stemmed, non-woody perennial plant. Don’t let the simple description fool you though! This little beauty produces bright golden-yellow flowers that seem to glow in the mountain sunlight. Each bloom typically features five glossy petals that have that characteristic buttercup shine we all remember from childhood.

As a true native to the lower 48 states, this plant has been quietly beautifying the landscapes of Arizona, Colorado, New Mexico, and Utah long before any of us started thinking about native gardening. It’s perfectly adapted to life in montane and subalpine regions, making it an excellent choice for gardeners in similar conditions.

A Word of Caution: Rarity Matters

Before you rush out to find Oregon buttercup for your garden, there’s something important to know. This species has a Global Conservation Status of S3?, which means its conservation status is somewhat uncertain—and that’s reason enough to be extra thoughtful about how we approach growing it.

If you’re interested in adding Oregon buttercup to your landscape, please make sure to source it responsibly. Look for reputable native plant nurseries that propagate their own stock rather than collecting from wild populations. This way, you can enjoy this beautiful native while helping protect wild populations for future generations.

Where Oregon Buttercup Shines in Your Garden

This mountain native isn’t trying to be the star of a formal border—it’s much happier playing a supporting role in more naturalistic settings. Here’s where it really excels:

  • Rock gardens and alpine collections
  • Native plant gardens focused on southwestern species
  • Xeriscapes and drought-tolerant landscapes
  • Naturalized mountain meadow areas
  • Cool-season pollinator gardens

Growing Conditions and Care

Oregon buttercup is classified as Facultative Upland in both the Arid West and Western Mountains regions, which means it usually prefers non-wetland conditions but can tolerate some moisture. This flexibility makes it relatively easy to accommodate in the right climate.

For the best results, provide:

  • Well-draining soil (it definitely doesn’t like wet feet)
  • Partial shade to full sun exposure
  • Cool temperatures typical of USDA hardiness zones 4-7
  • Minimal supplemental watering once established

One of the best things about this native is that it’s quite low-maintenance once it settles in. Like many mountain plants, it’s naturally drought-tolerant and doesn’t need much fussing over.

Pollinator and Wildlife Benefits

While specific wildlife benefits for Oregon buttercup aren’t well-documented, buttercups in general are known to attract small native bees and other pollinators. The bright yellow flowers and early blooming period can provide important nectar sources when other flowers might still be scarce in mountain environments.

Is Oregon Buttercup Right for Your Garden?

Oregon buttercup could be a wonderful addition to your garden if you’re gardening in the right climate zone and are committed to responsible sourcing. It’s particularly appealing if you’re creating a native plant collection focused on southwestern mountain species or developing a naturalistic landscape that mimics local ecosystems.

However, this isn’t the right choice for gardeners in hot, humid climates or those looking for a flashy focal point plant. It’s also not suitable if you can’t find responsibly propagated sources—protecting wild populations should always come first.

If you do decide to grow Oregon buttercup, you’ll be rewarded with a charming native that connects your garden to the beautiful mountain landscapes of the American Southwest, while supporting local pollinators and preserving an important piece of our native plant heritage.

Oregon Buttercup

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Ranunculus L. - buttercup

Species

Ranunculus oreogenes Greene - Oregon buttercup

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