North America Native Plant

Greater Creeping Spearwort

Botanical name: Ranunculus flammula var. flammula

USDA symbol: RAFLF2

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states âš˜ Non-native, reproduces and persists in the wild in St. Pierre and Miquelon  

Synonyms: Ranunculus filiformis Michx. var. ovalis Bigelow (RAFIO)  âš˜  Ranunculus flammula L. var. angustifolius Wallr. (RAFLA2)  âš˜  Ranunculus flammula L. var. genuinus Buchenau (RAFLG)  âš˜  Ranunculus flammula L. var. ovalis (Bigelow) L.D. Benson (RAFLO)  âš˜  Ranunculus flammula L. var. samolifolius (Greene) L.D. Benson (RAFLS)  âš˜  Ranunculus reptans L. var. ovalis (Bigelow) Torr. & A. Gray (RAREO)   

Greater Creeping Spearwort: A Charming Native Groundcover for Wet Spots If you’ve been scratching your head over that perpetually soggy corner of your yard, meet your new best friend: greater creeping spearwort (Ranunculus flammula var. flammula). This delightful native perennial might have a mouthful of a scientific name, but don’t ...

Greater Creeping Spearwort: A Charming Native Groundcover for Wet Spots

If you’ve been scratching your head over that perpetually soggy corner of your yard, meet your new best friend: greater creeping spearwort (Ranunculus flammula var. flammula). This delightful native perennial might have a mouthful of a scientific name, but don’t let that intimidate you – it’s actually one of the most accommodating plants you can invite into your garden.

What Makes Greater Creeping Spearwort Special?

Greater creeping spearwort belongs to the buttercup family, and like its cheerful cousins, it produces bright yellow flowers that seem to capture sunshine in their glossy petals. But unlike some buttercups that can be garden bullies, this variety knows how to behave itself while still putting on a show.

As a perennial forb (that’s gardener-speak for a non-woody flowering plant), it comes back year after year, spreading slowly by creeping stems to form attractive colonies. The plant stays relatively low to the ground, making it perfect for areas where you want coverage without overwhelming height.

Where Does It Call Home?

This adaptable native has quite the impressive resume when it comes to geography. You’ll find greater creeping spearwort thriving across a vast range including Alaska, most Canadian provinces, and numerous U.S. states from coast to coast – from Arizona and California in the west to Maine and Massachusetts in the east, and many places in between including Colorado, Montana, Minnesota, and Wisconsin.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where greater creeping spearwort really shines: it’s a problem-solver plant. Got a wet, boggy area where other plants turn up their toes? This little champion thrives in moist to wet conditions and can even handle standing water – making it perfect for rain gardens, pond edges, or that low spot in your yard that never seems to dry out.

The bright yellow flowers aren’t just pretty to look at; they’re also magnets for pollinators. Small bees, flies, and other beneficial insects visit regularly for nectar and pollen, making your garden a more biodiverse and ecologically valuable space.

Garden Design Ideas

Greater creeping spearwort works beautifully in several garden styles:

  • Naturalistic landscapes: Perfect for creating that wild meadow look alongside native sedges and rushes
  • Rain gardens: An excellent choice for areas designed to capture and filter stormwater
  • Pond margins: Creates a natural transition between water features and dry land
  • Wetland restoration: Ideal for rehabilitating degraded wet areas

Growing Conditions and Care

The beauty of greater creeping spearwort lies in its easy-going nature. This plant is hardy in USDA zones 3-8, meaning it can handle everything from frigid northern winters to moderately warm summers.

Here’s what it needs to thrive:

  • Moisture: Consistently moist to wet soil – this is non-negotiable
  • Sunlight: Full sun to partial shade (it’s pretty flexible here)
  • Soil: Not picky about soil type as long as it stays moist
  • pH: Tolerates a wide range of soil pH levels

Planting and Maintenance Tips

Getting greater creeping spearwort established is refreshingly straightforward. Plant it in spring after the last frost, giving each plant enough space to spread – about 12-18 inches apart should do the trick. Water regularly until established, though in most wet locations, nature will handle the irrigation for you.

Once established, this plant is remarkably low-maintenance. It will spread naturally through creeping stems, gradually filling in the area. If it gets too enthusiastic about spreading, simply dig up excess portions in spring or fall – these divisions make great gifts for fellow gardeners with their own wet spots to fill.

A Few Things to Keep in Mind

While greater creeping spearwort is generally well-behaved, remember that like other members of the buttercup family, it contains compounds that can be irritating to skin and are toxic if eaten. Keep this in mind if you have curious pets or small children who might be tempted to taste-test your garden plants.

The Bottom Line

Greater creeping spearwort proves that native plants don’t have to be high-maintenance divas to earn their place in your garden. This cheerful, adaptable groundcover solves problems, supports local wildlife, and adds bright splashes of yellow to areas where few other plants would be happy. If you’ve got a wet spot that needs some love, greater creeping spearwort might just be the perfect match.

Greater Creeping Spearwort

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 flammula L. - greater creeping spearwort

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