North America Native Plant

Frogbit Buttercup

Botanical name: Ranunculus hydrocharoides

USDA symbol: RAHY

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Frogbit Buttercup: A Rare Native Gem for Water Gardens If you’re looking to add some native flair to your water garden or wetland restoration project, let me introduce you to a delightful little plant that most gardeners have never heard of: the frogbit buttercup (Ranunculus hydrocharoides). This charming native perennial ...

Frogbit Buttercup: A Rare Native Gem for Water Gardens

If you’re looking to add some native flair to your water garden or wetland restoration project, let me introduce you to a delightful little plant that most gardeners have never heard of: the frogbit buttercup (Ranunculus hydrocharoides). This charming native perennial might just be the perfect addition to your aquatic landscape – if you can find it!

What Makes Frogbit Buttercup Special?

The frogbit buttercup is a true American native, naturally occurring in the southwestern United States. As a member of the buttercup family, this herbaceous perennial brings the classic charm of yellow buttercup flowers to wetland environments. Unlike its meadow-dwelling cousins, this species has adapted to life in and around water, making it a unique addition to specialized garden settings.

As a forb (a fancy botanical term for a non-woody flowering plant), frogbit buttercup grows as a low, herbaceous perennial that comes back year after year. Its growth habit makes it perfect for naturalizing in wet areas where many other plants would struggle.

Where Does It Grow Naturally?

This southwestern native calls Arizona, California, and New Mexico home. Within these states, you’ll find it thriving in wetland environments where water is abundant throughout most of the year.

The Ultimate Water Lover

Here’s where frogbit buttercup gets really interesting – it’s what botanists call an obligate wetland plant. This means it almost always occurs in wetlands and has adapted specifically to wet conditions. Whether you’re in the arid West, Great Plains, or Western Mountains regions, this plant’s relationship with water remains constant.

If you’re thinking about adding this to a regular flower bed, think again! This isn’t a plant that tolerates drought or typical garden conditions. It needs consistent moisture and wetland-like conditions to thrive.

Perfect for Specialized Gardens

So where might you want to grow frogbit buttercup? Here are some ideal scenarios:

  • Water gardens and pond margins
  • Bog gardens
  • Rain gardens in appropriate climates
  • Wetland restoration projects
  • Native plant gardens with water features

This plant is definitely not for every garden, but if you have the right wet conditions, it could be a wonderful native addition that supports local ecosystems.

Growing Conditions and Care

Based on its natural range, frogbit buttercup likely thrives in USDA hardiness zones 8-10, though this can vary depending on local microclimates and water availability. The key to success with this plant is understanding its water needs:

  • Consistent moisture to wet conditions
  • Full to partial sun (like most buttercups)
  • Soil that stays consistently moist or even waterlogged
  • Protection from drying winds

The Challenge of Finding Frogbit Buttercup

Here’s the honest truth: frogbit buttercup isn’t exactly easy to find in the nursery trade. This specialized wetland plant isn’t commonly cultivated, which means you might need to do some detective work to source it. If you’re interested in growing this native beauty, try contacting:

  • Native plant societies in Arizona, California, or New Mexico
  • Specialty wetland plant nurseries
  • Native plant sales and swaps
  • Botanical gardens in the Southwest

Supporting Native Ecosystems

While we don’t have specific information about which pollinators and wildlife benefit from frogbit buttercup, as a native flowering plant, it likely provides nectar for local pollinators and possibly seeds for wildlife. By choosing native plants like this one, you’re supporting the web of life that has evolved in your region over thousands of years.

Is Frogbit Buttercup Right for You?

This native beauty isn’t for everyone, and that’s okay! If you have wet conditions and want to support native biodiversity, frogbit buttercup could be a wonderful choice. However, if you’re looking for a low-maintenance perennial for typical garden beds, you’d be better served by other native options that don’t require wetland conditions.

The frogbit buttercup is a testament to nature’s ability to adapt and specialize. While it may not be the easiest plant to grow or find, for the right gardener with the right conditions, it offers a chance to nurture a truly special piece of American botanical heritage.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Great Plains

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Western Mountains, Valleys, and Coast

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Frogbit 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 hydrocharoides A. Gray - frogbit buttercup

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