North America Native Plant

Waterplantain Buttercup

Botanical name: Ranunculus alismifolius var. montanus

USDA symbol: RAALM

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Waterplantain Buttercup: A Mountain Native Worth Knowing If you’re looking to add authentic mountain charm to your native garden, the waterplantain buttercup (Ranunculus alismifolius var. montanus) might just be the hidden gem you’ve been searching for. This delicate perennial brings a touch of wild mountain meadow magic to the right ...

Waterplantain Buttercup: A Mountain Native Worth Knowing

If you’re looking to add authentic mountain charm to your native garden, the waterplantain buttercup (Ranunculus alismifolius var. montanus) might just be the hidden gem you’ve been searching for. This delicate perennial brings a touch of wild mountain meadow magic to the right garden setting, though it’s definitely not your typical suburban landscape plant.

What Makes This Buttercup Special?

The waterplantain buttercup is a true native of the American West, naturally occurring across six states: Colorado, Idaho, Nevada, New Mexico, Utah, and Wyoming. As its name suggests, this mountain variety thrives in the higher elevations where many garden plants simply can’t survive.

This plant is classified as a forb – essentially a non-woody perennial that dies back to the ground each winter but returns faithfully each spring. Unlike its more common buttercup cousins, this mountain native has adapted to some pretty harsh conditions, making it a tough little survivor.

Garden Appeal and Landscape Role

Let’s be honest – the waterplantain buttercup isn’t going to win any showiest flower contests. But what it lacks in drama, it makes up for in authentic mountain character. The small, bright yellow flowers typical of buttercups add cheerful spots of color to naturalized areas and wildflower meadows.

This plant works best in:

  • Native plant gardens focused on mountain flora
  • Naturalized meadow areas
  • Alpine or rock gardens
  • Restoration projects in appropriate habitats

Growing Conditions: Not Your Average Garden Plant

Here’s where things get interesting (and potentially challenging). Based on its natural mountain habitat, the waterplantain buttercup likely prefers conditions that most suburban gardens simply don’t offer. We’re talking about cool temperatures, consistent moisture, and probably some pretty specific soil conditions.

If you’re determined to try growing this mountain native, consider:

  • Locations with cool, moist conditions
  • Areas that mimic mountain meadow environments
  • USDA hardiness zones 3-7 (estimated based on its natural range)
  • Consistent moisture – this isn’t a drought-tolerant plant

Wildlife and Pollinator Benefits

While specific data on this variety’s wildlife benefits is limited, buttercups generally provide nectar for small pollinators like native bees and flies. In its mountain habitat, it likely plays a role in supporting local pollinator networks, especially during the brief mountain growing season.

The Reality Check

Let’s be completely upfront here – the waterplantain buttercup is probably not the right choice for most gardeners. This is a specialized mountain plant that evolved for very specific conditions. Unless you live in or near its native range and can provide mountain-like growing conditions, you might want to consider other native alternatives that are better suited to your local environment.

However, if you’re in the right location and passionate about growing authentic mountain natives, this little buttercup could be a rewarding addition to a specialized native garden. Just be prepared for some trial and error as you figure out exactly what it needs to thrive.

The Bottom Line

The waterplantain buttercup represents the kind of specialized native plant that’s absolutely perfect in its natural habitat but challenging to grow elsewhere. If you’re in its native range and want to support local ecosystems, it’s worth exploring. For everyone else, there are likely better native buttercup options adapted to your specific region.

Remember, the best native plant for your garden is one that’s actually native to your area and suited to your growing conditions. Sometimes the most responsible choice is admiring a plant in its natural habitat rather than trying to force it to grow where it doesn’t belong.

Waterplantain 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 alismifolius Geyer ex Benth. - plantainleaf buttercup

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