North America Native Plant

Arizona Buttercup

Botanical name: Ranunculus arizonicus

USDA symbol: RAAR2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Ranunculus arizonicus Lemmon ex A. Gray var. typicus L.D. Benson (RAART)   

Arizona Buttercup: A Hidden Gem for High-Elevation Native Gardens Meet the Arizona buttercup (Ranunculus arizonicus), a charming native wildflower that’s probably not on most gardeners’ radar—but maybe it should be! This delightful perennial brings the classic appeal of bright yellow buttercup blooms to gardens in the American Southwest, all while ...

Arizona Buttercup: A Hidden Gem for High-Elevation Native Gardens

Meet the Arizona buttercup (Ranunculus arizonicus), a charming native wildflower that’s probably not on most gardeners’ radar—but maybe it should be! This delightful perennial brings the classic appeal of bright yellow buttercup blooms to gardens in the American Southwest, all while supporting local ecosystems.

What Is Arizona Buttercup?

Arizona buttercup is a native herbaceous perennial that belongs to the buttercup family. As a forb, it’s a non-woody flowering plant that dies back to ground level each winter and returns from its roots come spring. This hardy little plant produces the quintessential buttercup flower—bright golden-yellow petals that seem to capture sunshine in each bloom.

Where Does It Call Home?

This southwestern native has a relatively limited range, naturally occurring in Arizona and New Mexico. You’ll find Arizona buttercup thriving in mountainous regions, typically growing on rocky slopes, in mountain meadows, and along streambanks at elevations between 5,000 and 9,000 feet or higher.

Why Consider Arizona Buttercup for Your Garden?

Here are several compelling reasons to give this native wildflower a spot in your landscape:

  • True native credentials: Supporting local ecosystems by growing plants that evolved in your region
  • Pollinator magnet: The bright blooms attract native bees, flies, and other beneficial insects
  • Low-maintenance appeal: Once established, native plants typically require less water and care than non-natives
  • Seasonal interest: Cheerful spring and early summer blooms brighten up the garden
  • Compact size: At 6-18 inches tall, it fits well in rock gardens and naturalized areas

The Perfect Garden Fit

Arizona buttercup is ideally suited for:

  • Rock gardens and alpine-style plantings
  • Native plant gardens
  • Naturalized meadow areas
  • High-elevation landscapes
  • Pollinator gardens

This plant works beautifully as part of a mixed native planting, where its bright blooms can pop against silvery-leafed companions or blend into a tapestry of wildflower colors.

Growing Conditions and Care

Since Arizona buttercup is adapted to high-elevation environments, it has some specific preferences:

  • Elevation: Best suited for gardens at higher elevations (ideally above 5,000 feet)
  • Hardiness: Likely hardy in USDA zones 4-8, given its mountain habitat
  • Soil: Well-draining, rocky or sandy soils that mimic its natural habitat
  • Moisture: Moderate moisture, especially during growing season
  • Sun exposure: Likely prefers full sun to partial shade

The Reality Check

Here’s where we need to be honest: Arizona buttercup isn’t exactly flooding the nursery trade. This species is relatively uncommon in cultivation, which means finding plants or seeds might take some detective work. You’ll likely have better luck with specialty native plant nurseries or seed companies that focus on southwestern flora.

Additionally, if you’re gardening at lower elevations or in hot desert areas, this mountain native might struggle in your conditions. It’s evolved for cooler, higher-elevation environments and may not adapt well to intense desert heat.

Getting Started

If you’re determined to try growing Arizona buttercup:

  • Contact native plant societies in Arizona or New Mexico for sourcing advice
  • Look for specialty seed companies that carry southwestern native wildflowers
  • Consider starting from seed, as this is often more available than nursery plants
  • Be patient—native wildflowers often take time to establish
  • Plant in fall or early spring when temperatures are moderate

The Bottom Line

Arizona buttercup represents the kind of hidden treasure that makes native plant gardening so rewarding. While it may not be the easiest plant to find or grow, its authentic native status and pollinator benefits make it worth considering for the right garden situation. If you’re gardening in its natural range and can provide suitable high-elevation conditions, this little buttercup could be a delightful addition to your native plant collection.

Just remember: sometimes the most rewarding garden plants are the ones that make us work a little harder to find and grow them successfully!

Arizona 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 arizonicus Lemmon ex A. Gray - Arizona buttercup

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