Crevice Alumroot

(Heuchera micrantha)

Crevice Alumroot (Heuchera micrantha)

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Estimated Native Range
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Summary

Heuchera micrantha, commonly known as Crevice Alumroot, is an evergreen perennial herb native to rocky outcrops and forested areas of the West Coast, including California, Oregon, Washington, and British Columbia. It typically grows to a height and width of 1-2 feet (0.3-0.6 meters). The plant forms a mounding clump of lobed leaves that can range in color from green to reddish-green or purple-green, often with a glandular hairy texture. The foliage may be evergreen or semi-evergreen depending on the climate. Flowering occurs in spring and summer, with an erect inflorescence bearing clusters of small, bell-shaped flowers that can be cream, pink, white, or greenish, and are moderately showy.

Crevice Alumroot is valued for its attractive foliage and delicate flowers, which add texture and color to shaded garden areas. It is commonly used in border plantings, rock gardens, and woodland settings. This plant prefers partial shade but can tolerate full sun in cooler climates. It requires well-drained soil and moderate watering, with more frequent watering needed if grown in full sun. Heuchera micrantha is relatively low maintenance but benefits from deadheading to promote continued flowering. While generally disease-resistant, it can be susceptible to root rot if overwatered or planted in poorly drained soils. Some cultivars, such as ’Palace Purple’, are popular for their vibrant leaf colors.CC BY-SA 4.0

Plant Description

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

Growth Requirements

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

Common Uses

Bank Stabilization, Bee Garden, Bird Garden, Border Plant, Butterfly Garden, Deer Resistant, Drought Tolerant, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Erosion Control, Fire Resistant, Groundcover, Hummingbird Garden, Potted Plant, Rabbit Resistant, Rock Garden, Street Planting

Natural Habitat

Rocky outcrops and forested areas of the West Coast, including California, Oregon, Washington, and British Columbia

Other Names

Common Names: Small-Flowered Alumroot

Scientific Names: Heuchera micrantha , Heuchera barbarossa , Heuchera nuttallii , Heuchera glaberrima , Heuchera micrantha f. acuta , Heuchera micrantha var. typica , Heuchera micrantha f. glaberrima , Heuchera micrantha var. glaberrima , Heuchera micrantha var. nuttallii

GBIF Accepted Name: Heuchera micrantha Douglas