North America Native Plant

Turner’s Buttercup

Botanical name: Ranunculus turneri

USDA symbol: RATU

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada  

Synonyms: Ranunculus occidentalis Nutt. var. turneri (Greene) L.D. Benson (RAOCT2)   

Turner’s Buttercup: A Rare Arctic Gem for the Most Adventurous Gardeners If you’re looking for a plant that screams I’m not like other buttercups, then Turner’s buttercup (Ranunculus turneri) might just be your cup of tea. This little arctic warrior is about as far from your typical garden flower as ...

Rare plant alert!

Region: Conservation status by state

Status: S3: 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 ⚘

Turner’s Buttercup: A Rare Arctic Gem for the Most Adventurous Gardeners

If you’re looking for a plant that screams I’m not like other buttercups, then Turner’s buttercup (Ranunculus turneri) might just be your cup of tea. This little arctic warrior is about as far from your typical garden flower as you can get, and honestly, that’s exactly what makes it so intriguing.

What Makes Turner’s Buttercup Special?

Turner’s buttercup is a perennial forb—basically a fancy way of saying it’s a non-woody plant that comes back year after year. Like other members of the buttercup family, it produces those characteristic glossy yellow flowers that look like they’ve been polished with butter (hence the name). But don’t let its delicate appearance fool you; this little guy is tough as nails.

Where Does It Call Home?

This native beauty hails from some of the most challenging growing conditions on the planet. You’ll find Turner’s buttercup naturally growing in Alaska, Yukon, and the Northwest Territories of Canada. We’re talking about places where warm means it’s only slightly below freezing!

The Rarity Factor: Handle with Care

Here’s the important part: Turner’s buttercup has a Global Conservation Status of S3, which means it’s considered vulnerable. With only an estimated 21 to 100 occurrences and between 3,000 to 10,000 individuals in the wild, this isn’t a plant you’ll stumble upon at your local garden center.

If you’re determined to grow this rare beauty, please—and we cannot stress this enough—only source it from reputable native plant nurseries that ethically propagate their stock. Never collect from wild populations.

Growing Conditions: Not for the Faint of Heart

Let’s be real here: Turner’s buttercup isn’t going to thrive in your typical suburban flower bed. This plant has very specific needs:

  • USDA Hardiness Zones: 1-3 (yes, that’s as cold as it gets)
  • Light: Full sun to partial shade
  • Soil: Well-draining, cool, and consistently moist
  • Climate: Cool summers and frigid winters

If you don’t live in Alaska or northern Canada, growing Turner’s buttercup is going to be quite the challenge. It’s adapted to arctic conditions and simply won’t tolerate warm temperatures.

Garden Design: Where Does It Fit?

Turner’s buttercup is perfect for:

  • Specialized alpine or arctic plant collections
  • Rock gardens in extremely cold climates
  • Native plant gardens in its natural range
  • Conservation gardens focused on rare species

This isn’t a plant that’s going to anchor your perennial border or provide mass color. Instead, think of it as a conversation starter—a special addition for serious native plant enthusiasts or collectors of rare species.

Pollinator and Wildlife Benefits

In its native range, Turner’s buttercup provides nectar for the hardy pollinators that brave the arctic conditions. While we don’t have extensive data on its specific wildlife benefits, buttercups in general support various small insects and contribute to the complex web of arctic ecosystems.

The Bottom Line: Should You Plant It?

Turner’s buttercup is not for everyone—and that’s okay! Unless you live in zones 1-3 and have experience with challenging native plants, you might want to appreciate this one from afar. For most gardeners, there are plenty of other native buttercup species that would be more appropriate and easier to grow in temperate climates.

However, if you’re in its native range, have experience with rare plants, and can source it responsibly, Turner’s buttercup could be a meaningful addition to a specialized native garden. Just remember: with rarity comes responsibility. This little arctic gem needs our protection more than our gardens need another flower.

Sometimes the most beautiful gesture is simply knowing that somewhere in the far north, Turner’s buttercup is quietly doing its thing, brightening the brief arctic summer with its golden blooms.

Turner’s 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 turneri Greene - Turner's buttercup

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