Crevice alumroot (Heuchera micrantha)

Crevice alumroot

Crevice alumroot (Heuchera micrantha) is a flowering plant native to North America. The appearance of crevice alumroot can be variable because there are many cultivated varieties and also wild strains. Crevice alumroot grows on rocky slopes and cliff sides, especially in California.

Scientific classification

Species

Crevice alumroot (Heuchera micrantha)

Saxifrages, stonecrops and allies

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Perennial

Lifespan

Herb

Plant Type

Mid spring, Late spring, Early summer

Bloom Time

Late summer

Harvest Time

15 cm to 61 cm

Plant Height

30 cm

Spread

Green, Red, Silver, Purple

Leaf Color

3 mm to 6 mm

Flower Size

Brown, Yellow, Pink

Fruit Color

White, Pink

Flower Color

Red, Green, Purple, White, Pink

Stem Color

Images of Crevice alumroot

Distribution of Crevice alumroot

Distribution Map

Crevice alumroot is a plant species originally native to the western parts of North America. It has been introduced to various regions in Europe and thrives in temperate zones. The cultivation of crevice alumroot extends its presence beyond its natural habitat due to its ornamental appeal. It is now established in parts of the continent traditionally known for temperate gardens.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Moist banks of humus and rocks in woodland, gravelly banks, rock crevices

Hemisphere Trend Curve

Northern

Sorthern

Culture

Garden Use

Crevice alumroot is an evergreen perennial that is commonly found in gardens. It is prized for its deep green to purple leaves and contrasting delicate, bell-shaped flowers. Its clump-forming habit makes it suitable for groundcover, borders, and path-edging. Crevice alumroot is appropriate for rock and pollinator gardens. Suggested companion plants include wallflower and hybrid musk rose for color contrast.

Symbolism

Toughness and perseverance

Interesting Facts

Its common name is probably named after the shape of its leaves. Its two leaves are the shape of human kidneys. Crevice alumroot has sprung up in the past twenty or thirty years and has become a new colorful ground cover plant.

Name Story

Crevice alumroot: The plant is native to western North America locating from British Columbia to California, where it grows on rocky slopes and cliffs. The name alumroot is given to this plant for its flowers growing on trim crevices above small leaves. Therefore, it is called crevice alumroot.

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Cultivars

There are several recognized cultivars of Crevice alumroot, including the following common varieties :

Crevice alumroot 'Palace Purple'Crevice alumroot 'Obsidian'

Care Guide for Crevice alumroot

Every week

Water

Partial sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Crevice alumroot prefers consistently moist soil and tolerates moderate drought. Water weekly to maintain hydration without over-saturation. Thriving outdoors in temperate climates, crevice alumroot benefits from natural rainfall, supporting its seasonal growth cycles.

Fertilize: To promote optimal growth of crevice alumroot, apply a balanced nutrition fertilizer every 4-6 weeks in spring and summer, using a diluted solution to prevent root burn. Reduce fertilization in winter. Always apply on moist soil to enhance nutrient absorption and prevent over-fertilization.

Pruning: Crevice alumroot thrives with early to late spring pruning. Remove dead or damaged leaves and cut back flower stalks post-bloom to enhance vigor. Regular pruning shapes the plant, prevents overcrowding, and improves air circulation. Use clean, sharp tools for precise cuts.

Propagation: Crevice alumroot, native to woodlands, is valued for its ruffled leaves and delicate flower clusters. Propagation via division is effective; split mature clumps during growth, ensuring each part contains roots and shoots. Replant in organic-rich soil with ample space, maintaining consistent moisture and protecting from direct sunlight.

Repotting: Repot crevice alumroot every 2-3 years during spring for growth, using a slightly larger container. After repotting, maintain a well-draining soil mix, keep it moist, and provide dappled light to promote recovery and vibrant foliage.

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Images of Crevice alumroot

Distribution of Crevice alumroot

Culture

Cultivars

Care Guide for Crevice alumroot

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Common Pests & Diseases