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Perennial · Saxifragaceae Draft — unreviewed

American alumroot

Heuchera americana L.

Also called coral bells.

Native foliage perennial with mottled, often silvery leaves and airy cream flower stalks. Tolerates dry shade under trees.

Size over time

Typical landscape size 0.3–0.5 m (1 ft) tall and 0.3–0.5 m (1 ft) wide; medium growth, about 3 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.25) from the #1 install size.

00.511.52mPlanting0.3 × 0.3 mYear 30.3 × 0.3 mYear 100.4 × 0.4 mMature0.4 × 0.4 m

Bloom

Cream flowers, May–Jun (northern-hemisphere months; timing shifts with region and season).

Bloom calendar: months each plant is in bloom
PlantJFMAMJJASOND
American alumroot : May–Jun

Design notes

  • Parent of many coloured-leaf hybrids; the species is longer-lived in heat and humidity.
  • Replant crowns that heave out of the ground after frost.

Regions

Native range: Eastern and central U.S..

Native to these OpenLandscape3D pilot regions:

Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.

Related plants

Plan with American alumroot

Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.