Roundleaf Brookfoam

(Boykinia rotundifolia)

Roundleaf Brookfoam (Boykinia rotundifolia)

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Estimated Native Range
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Summary

Boykinia rotundifolia, commonly known as Roundleaf Brookfoam, is a rhizomatous perennial herb native to riparian zones and moist, shady forested areas in the mountains of Southern California. It typically grows to a height of 1-2 feet (30-60 cm) with a similar spread, and features large, rounded leaves that can reach up to 12 inches in length. The plant produces delicate white flowers on tall, slender inflorescences during the summer months, which add a subtle charm to woodland gardens.

Roundleaf Brookfoam is valued for its ability to thrive in moist, shady conditions, making it an excellent choice for naturalizing in damp areas of the garden or for use in rain gardens. It is also appreciated for its lush green foliage, which provides a verdant backdrop for other shade-loving plants. In cultivation, it prefers consistently moist soil, partial to full shade, and cool temperatures. While it is not commonly afflicted by diseases, it can be sensitive to drought and may require additional watering during dry periods. This plant is not known for being invasive and is generally low maintenance, requiring minimal care once established.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-2 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: White
  • Flowering Season: Spring, Summer
  • Leaf Retention: Semi-deciduous

Growth Requirements

  • Sun: Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Bird Garden, Butterfly Garden, Low Maintenance, Water Garden

Natural Habitat

Native to riparian zones and moist, shady forested areas in the mountains of Southern California

Other Names

Common Names: Roundleaf Brook Saxifrage, Round-Leaved Boykinia

Scientific Names: , Boykinia rotundifolia, Boykinia rotundifolia, Therofon rotundifolium,

GBIF Accepted Name: