Spearwort

(Ranunculus laxicaulis)

Spearwort (Ranunculus laxicaulis)

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Estimated Native Range
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Climate Requirements

Precipitation 52" - 62"
High Temp. 82°F - 95°F
Low Temp. 17°F - 43°F
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Summary

Ranunculus laxicaulis, commonly known as Spearwort, is a perennial herb native to the wet meadows, streambanks, and marshy areas of the southeastern United States. It typically grows 1-2 feet tall and features bright yellow flowers that bloom in the spring, which are moderately showy and attract pollinators. The plant has a clumping form with elongated, lance-shaped leaves and slender stems that may sprawl if unsupported.

Spearwort is valued for its vibrant yellow flowers and its ability to thrive in wet conditions, making it an excellent choice for rain gardens, water features, and naturalized wetland plantings. It is also used to stabilize soil in riparian zones. In cultivation, it requires consistently moist to wet soils and can tolerate a range of light conditions from full sun to partial shade. While it is not drought-tolerant, it is relatively low maintenance when its moisture requirements are met. Spearwort is not known for significant pest or disease problems, but it can be sensitive to dry conditions.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.7-2 feet
  • Width: 0.7-1.6 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: High
  • Drainage: Medium

Common Uses

Bird Garden, Butterfly Garden, Deer Resistant, Erosion Control, Low Maintenance, Water Garden

Natural Habitat

Wet meadows, streambanks, and marshy areas of the southeastern United States

Other Names

Common Names: Sandhill Buttercup, Loose-Flower Crowfoot, Meadow Buttercup

Scientific Names: Ranunculus laxicaulis, Ranunculus flammula var. laxicaulis, Ranunculus laxicaulis var. laxicaulis, Ranunculus laxicaulis var. mississipiensis, Ranunculus mississippiensis, Ranunculus subcordatus, Ranunculus texensis

GBIF Accepted Name: Ranunculus laxicaulis