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Heuchera micrantha

Heuchera micrantha Douglas ex Lindl.

Crevice Alumroot, Common Alumroot

Saxifragaceae (Saxifrage Family)


USDA Symbol: HEMI7

USDA Native Status: L48 (N), CAN (N)

Crevice alumroots decorative rosette of round, scalloped, reddish leaves subtends a 1 1/2-2 ft., reddish flowering stalk bearing dainty, white, bell-shaped flowers in a diffuse, open display. The clumps of foliage are often 1-2 ft. across.


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.

Bloom Information

Bloom Color: White , Red
Bloom Time: Apr , May , Jun , Jul
Bloom Notes: Greenish white, often tinged with red.


USA: CA , ID , OR , WA
Canada: BC
Native Distribution: Inner coastal areas from c. CA to B.C. & w.c. ID
Native Habitat: Moist, wooded banks & rocks

Growing Conditions

Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist
Soil Description: Moist, rocky, humus-rich soils.
Conditions Comments: An easy to please plant and can spread rapidly.


Use Wildlife: Hummingbirds
Use Food: Newly emerged leaves eaten by indigenous peoples.
Conspicuous Flowers: yes
Attracts: Hummingbirds


Description: Propagate from seed or cuttings (lateral rosettes).
Seed Treatment: No pretreatment is necessary. Scatter on soil surface in autumn.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA
Native Seed Network - Corvallis, OR

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Heuchera micrantha in USDA Plants
FNA: Find Heuchera micrantha in the Flora of North America (if available)
Google: Search Google for Heuchera micrantha


Record Modified: 2023-02-13
Research By: TWC Staff

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