North America Native Plant

Scarlet Cinquefoil

Botanical name: Potentilla thurberi

USDA symbol: POTH2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Scarlet Cinquefoil: A Hidden Gem for Southwestern Native Gardens If you’re looking to add a splash of vibrant color to your native plant garden while supporting local ecosystems, scarlet cinquefoil (Potentilla thurberi) might just be the perfect addition. This charming perennial forb brings both beauty and ecological value to gardens ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Scarlet Cinquefoil: A Hidden Gem for Southwestern Native Gardens

If you’re looking to add a splash of vibrant color to your native plant garden while supporting local ecosystems, scarlet cinquefoil (Potentilla thurberi) might just be the perfect addition. This charming perennial forb brings both beauty and ecological value to gardens across the American Southwest, though it’s definitely more of a specialist’s choice than a mainstream garden staple.

What Makes Scarlet Cinquefoil Special?

Scarlet cinquefoil is a true native of the southwestern United States, calling Arizona and New Mexico home. As a member of the rose family, this herbaceous perennial produces lovely scarlet-red flowers that give the plant its common name. Unlike woody shrubs, this forb maintains soft, non-woody stems that die back seasonally while the root system persists year after year.

What’s particularly interesting about this plant is its wetland connection. Despite growing in generally arid regions, scarlet cinquefoil has a facultative wetland status, meaning it usually prefers areas with consistent moisture but can adapt to drier conditions when needed.

A Word of Caution: Rarity Matters

Before you rush out to find this plant, there’s something important to know: scarlet cinquefoil has a Global Conservation Status of S3S4, which indicates it may be somewhat rare or uncommon in parts of its range. This doesn’t mean you shouldn’t grow it—quite the opposite! Growing native plants like this one can actually help support conservation efforts. However, it does mean you should be extra careful about sourcing.

Always purchase from reputable native plant nurseries that ethically propagate their stock. Never collect plants from the wild, as this can harm already vulnerable populations.

Why Choose Scarlet Cinquefoil for Your Garden?

Here are some compelling reasons to consider this southwestern native:

  • True native status: Supports local ecosystems and wildlife
  • Pollinator friendly: Attracts bees and other beneficial insects
  • Low maintenance: Once established, requires minimal care
  • Unique character: Adds authentic regional flavor to native gardens
  • Seasonal interest: Bright scarlet blooms provide eye-catching color

Perfect Garden Settings

Scarlet cinquefoil works beautifully in several garden styles:

  • Native plant gardens: Essential for authentic southwestern landscapes
  • Wildlife gardens: Provides nectar for pollinators
  • Rock gardens: Complements the natural aesthetic
  • Naturalized areas: Perfect for less formal garden spaces
  • Rain gardens: Its wetland tolerance makes it suitable for areas with periodic standing water

Growing Scarlet Cinquefoil Successfully

While specific growing information for this species is limited, you can follow these general guidelines based on its native habitat and plant characteristics:

Climate Zones: Best suited for USDA Hardiness Zones 4-8, particularly in areas that mirror its natural southwestern range.

Soil Preferences: Well-draining soil is essential, though the plant can tolerate periods of moisture. A sandy or rocky soil mix often works well.

Water Needs: Moderate water requirements. While it can handle some drought once established, consistent moisture during the growing season will encourage better flowering.

Sun Exposure: Likely prefers full sun to partial shade, typical of most Potentilla species.

Planting and Care Tips

  • Start small: Purchase from specialty native plant nurseries
  • Plant timing: Spring or fall planting works best in most climates
  • Soil preparation: Ensure good drainage to prevent root rot
  • Watering: Water regularly the first year, then reduce as the plant establishes
  • Maintenance: Minimal pruning needed; allow natural die-back in winter

The Bottom Line

Scarlet cinquefoil is definitely a plant for the dedicated native gardener rather than the casual weekend warrior. Its somewhat rare status and specific regional nature mean it requires a bit more thought and care in sourcing and placement. However, for gardeners in Arizona and New Mexico looking to create authentic native landscapes that support local wildlife, this charming forb offers both beauty and ecological value.

Just remember: always source responsibly, be patient with establishment, and enjoy being part of this special plant’s conservation story. Your garden—and local pollinators—will thank you for the effort!

Scarlet 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 thurberi A. Gray - scarlet cinquefoil

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