North America Native Plant

Sacramento Valley Buttercup

Botanical name: Ranunculus canus

USDA symbol: RACA3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Ranunculus canus Benth. var. laetus (Greene) L.D. Benson (RACAL)  âš˜  Ranunculus canus Benth. var. ludovicianus (Greene) L.D. Benson (RACAL2)  âš˜  Ranunculus californicus Benth. var. laetus Greene (RACAL3)  âš˜  Ranunculus canus Benth. var. typicus L.D. Benson (RACAT2)  âš˜  Ranunculus ludovicianus Greene (RALU)   

Sacramento Valley Buttercup: A Hidden Gem of California’s Native Flora If you’re passionate about California native plants and love the cheerful charm of buttercups, you might want to get acquainted with the Sacramento Valley buttercup (Ranunculus canus). This lesser-known native perennial deserves a spot in the conversation about beautiful, regionally ...

Sacramento Valley Buttercup: A Hidden Gem of California’s Native Flora

If you’re passionate about California native plants and love the cheerful charm of buttercups, you might want to get acquainted with the Sacramento Valley buttercup (Ranunculus canus). This lesser-known native perennial deserves a spot in the conversation about beautiful, regionally appropriate plants for California gardens.

What is Sacramento Valley Buttercup?

Sacramento Valley buttercup is a native California perennial that belongs to the buttercup family. As a forb—basically a fancy botanical term for a non-woody plant—it produces soft, herbaceous growth rather than woody stems. This charming wildflower represents the kind of specialized native flora that makes California’s plant communities so unique and diverse.

Where Does It Naturally Grow?

True to its name, this buttercup species is native to California, where it has evolved alongside the state’s other native plants and wildlife. As a plant that’s native to the lower 48 states and specifically adapted to California conditions, it represents an excellent choice for gardeners interested in supporting local ecosystems.

Why Consider Growing Sacramento Valley Buttercup?

Here are some compelling reasons to include this native plant in your garden:

  • Native heritage: As a true California native, it’s perfectly adapted to local conditions and supports regional biodiversity
  • Perennial reliability: Unlike annual buttercups, this species returns year after year once established
  • Low-maintenance potential: Native plants typically require less water and care once established compared to non-native alternatives
  • Ecological value: Native plants provide food and habitat for local wildlife and pollinators

The Challenge: Limited Availability

Here’s where things get a bit tricky—Sacramento Valley buttercup isn’t commonly found in nurseries or widely cultivated. This species appears to be one of those botanist’s plants that’s well-documented scientifically but hasn’t made the jump into mainstream horticulture yet.

Growing Conditions and Care

While specific cultivation information for Ranunculus canus is limited, we can make educated guesses based on its native habitat and the general needs of California buttercups:

  • Climate: Likely adapted to Mediterranean-type climates typical of California
  • Soil: Probably tolerates a range of soil types, as many native buttercups do
  • Water: As a native perennial, likely drought-tolerant once established
  • Sun exposure: Most buttercups prefer full sun to partial shade

Alternative Native Buttercups

If you can’t locate Sacramento Valley buttercup but love the idea of growing native California buttercups, consider these more readily available alternatives:

  • California buttercup (Ranunculus californicus): A showier cousin that’s more commonly cultivated
  • Western buttercup (Ranunculus occidentalis): Another beautiful native option

The Bottom Line

Sacramento Valley buttercup represents the fascinating diversity of California’s native flora, even if it’s not easy to find at your local garden center. If you’re a dedicated native plant enthusiast or botanical collector, tracking down this species could be a rewarding challenge. For most gardeners, exploring the more available native buttercup species will provide similar ecological benefits and visual appeal.

The world of native plants is full of hidden treasures like Sacramento Valley buttercup—species that remind us just how much botanical diversity exists right in our own backyards, waiting to be discovered and appreciated.

Sacramento Valley 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 canus Benth. - Sacramento Valley buttercup

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