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American alum root | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

American alum root

Heuchera americana

Genus: Heuchera
Family: Saxifragaceae
Common Names: American sanicle, rock geranium

About this plant

H. americana is a mound-forming, evergreen perennial with rosettes of lobed, oval to heart-shaped, glossy leaves. Young foliage is marbled and veined brown, maturing to deep green with copper-green shading. Sprays of tiny, browny-green flowers on tall, upright stems appear in early spring

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Evergreen

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoamSandy

Neutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

South FacingWest FacingNorth FacingEast Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in a fertile, moist but well-drained, neutral soil in sun or partial shade. The woody rootstock tends to lift out of the ground so mulch annually or lift and replant

Pruning

Remove faded flower spikes

Propagation

Propagate by seed sown in containers in autumn, or by division in autumn

Pests

Prone to vine weevils and leaf and bud eelworm

Diseases

May be affected by heuchera rust

Garden Uses

Uses

Cottage InformalFlower BordersGround CoverPatio ContainerWall Side Borders

Planting Places

OutdoorConservatorySubmerged Aquatic

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years