North America Native Plant

Labrador Buttercup

Botanical name: Ranunculus rhomboideus

USDA symbol: RARH

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Ranunculus ovalis Raf. (RAOV2)   

Labrador Buttercup: A Charming Native Wildflower for Prairie Gardens If you’re looking for a delightful native wildflower that’s as tough as it is beautiful, meet the Labrador buttercup (Ranunculus rhomboideus). This cheerful little perennial might just become your new favorite ground cover, especially if you’re dreaming of creating a prairie-inspired ...

Labrador Buttercup: A Charming Native Wildflower for Prairie Gardens

If you’re looking for a delightful native wildflower that’s as tough as it is beautiful, meet the Labrador buttercup (Ranunculus rhomboideus). This cheerful little perennial might just become your new favorite ground cover, especially if you’re dreaming of creating a prairie-inspired garden or adding some authentic North American charm to your landscape.

What Makes Labrador Buttercup Special?

The Labrador buttercup is a true native gem, naturally occurring across a vast swath of North America. This hardy perennial calls both Canada and the lower 48 states home, thriving in regions from Alberta and British Columbia down through the Great Plains states like North Dakota, South Dakota, and Minnesota, and even reaching as far east as Massachusetts and Rhode Island.

As a forb (that’s botanist-speak for a non-woody flowering plant), this buttercup stays relatively low to the ground, making it perfect for filling in spaces where you want color without height. The plant gets its species name rhomboideus from its distinctively shaped leaves, which are often diamond-shaped or oval – a nice botanical clue that helps with identification!

Garden Appeal and Aesthetic Charm

Don’t let its modest stature fool you – Labrador buttercup packs a visual punch when it blooms. The flowers are classic buttercup beauties: bright, glossy yellow petals that seem to glow in the garden. These cheerful blooms typically appear in early to mid-spring, providing much-needed color when many other plants are still waking up from winter.

The low-growing habit makes this plant an excellent choice for:

  • Prairie and wildflower gardens
  • Rock gardens and alpine settings
  • Naturalized landscape areas
  • Ground cover in sunny spots
  • Native plant restoration projects

A Friend to Pollinators

One of the best reasons to welcome Labrador buttercup into your garden is its value to local wildlife. The early spring blooms provide crucial nectar for bees, flies, and other small pollinators when food sources can be scarce. By planting this native species, you’re essentially setting up a pollinator café right in your backyard!

Growing Labrador Buttercup Successfully

Here’s the best news: Labrador buttercup is refreshingly easy to grow. This prairie native is naturally adapted to challenging conditions, which means less work for you once it’s established.

Ideal Growing Conditions

This adaptable wildflower thrives in USDA hardiness zones 3-7, making it suitable for a wide range of climates. It prefers:

  • Full sun to partial shade (though it blooms best with plenty of sunshine)
  • Well-drained soils – it’s not picky about soil type
  • Average to dry conditions once established
  • Good air circulation

Planting and Care Tips

Getting started with Labrador buttercup is straightforward. The easiest method is direct seeding in fall, which allows the seeds to experience the natural cold stratification they need over winter. Simply scatter seeds in prepared soil and let nature do the rest.

Once established, this is truly a low-maintenance plant. It’s drought tolerant and doesn’t require fertilization – in fact, too much rich soil can make it less likely to bloom well. The plant may self-seed in favorable conditions, gradually expanding your colony of sunny yellow flowers.

Should You Plant Labrador Buttercup?

If you’re interested in native gardening, supporting local ecosystems, or simply want a reliable, beautiful ground cover that won’t demand constant attention, Labrador buttercup is an excellent choice. It’s particularly perfect for gardeners in prairie regions who want to celebrate their local flora.

This charming buttercup proves that native doesn’t mean boring – sometimes it means finding the perfect plant that’s been thriving in your region for centuries, just waiting for you to invite it into your garden!

Labrador 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 rhomboideus Goldie - Labrador buttercup

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