Skip to main content

Crevice alumroot

Heuchera micrantha

Last reviewed: July 2026

Crevice alumroot (Heuchera micrantha)
Photo: Walter Siegmund (talk) / Wikimedia Commons (CC BY-SA 3.0)

Light

part shade

Water

medium

Size

6"–24" H × 12"–18" W

Bloom

Apr, May, Jun, Jul

Native to

CA, OR, WA, ID and 2 more states

Pollinators

bees, hummingbirds

A low, mounding evergreen perennial forb with rounded, lobed, maple-like leaves often marked with silver or bronze tones. Slender, wiry flower stalks rise above the foliage in late spring bearing airy sprays of tiny white flowers. Prefers partial shade and consistently moist, well-drained soil, especially in rocky or crevice settings.

In an HOA neighborhood

Crevice alumroot is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: foundation, mid zone, backyard only, front yard.

Wildlife value

Delicate spring flower sprays attract bees and occasionally hummingbirds seeking early-season nectar.

Common questions

How much sun does Crevice alumroot need?
Crevice alumroot grows best in part shade conditions.
When does Crevice alumroot bloom?
Crevice alumroot blooms in April, May, June, and July.
Where is Crevice alumroot native?
Crevice alumroot (Heuchera micrantha) is native to CA, OR, WA, ID and 2 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Crevice alumroot attract?
Crevice alumroot draws bees and hummingbirds.
Is Crevice alumroot HOA-friendly?
Crevice alumroot is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Crevice alumroot fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.