• Photo of Heuchera americana (Heuchera americanas)

Plant Profile: Heuchera americana

Taxonomy: Heuchera americana

Names

Alumroot, American Alum Root, American Sanicle, Coral Bells, Rock Geranium

  • Photo of Heuchera americana (Heuchera americanas)

Phonetic Spelling:HEW-ker-ah a-mer-ih-KAY-nah

Genus:Heuchera

Species:americana

Family:Saxifragaceae

Heuchera americana is a compact, evergreen plant known for its appealing foliage, which has been incorporated into various modern hybrids to enhance resilience, vitality, and color. This species thrives in moist, rich woodlands, preferring shaded to partially sunny environments. In its natural habitat, it typically grows in rocky forests and on stone outcrops, especially in acidic soil conditions. The alum root features fibrous roots and a rosette of attractive leaves, often adorned with vibrant veins or marbling. The leaves spiral densely from a short central crown and can be solid green or variegated in hues of purple, bronze, or cream. In spring, flower panicles rise on leafless stalks above the foliage, showcasing tiny, bell-shaped flowers with elongated stamens that are greenish or creamy with a hint of pink.

To maintain healthy growth, clumps should be divided every three to four years during spring or fall.

Distinguishing between several similar Heuchera subspecies can be challenging.

The genus name Heuchera pays tribute to Johann von Heucher, an 18th-century German physician, botanist, and expert in medicinal plants. While various cultivars are available, the straight species is often hard to find in the market.

In 1999, this plant was honored as the NC Wildflower of the Year, a recognition facilitated by the North Carolina Botanical Garden with support from the Garden Club of North Carolina.

For more information about Heuchera species, please explore further.

Heuchera americana Feature Summary

Heuchera americana Image Gallery

Tags

#evergreen
#drought tolerant
#perennial
#wildlife plant
#partial sun
#shade tolerant
#nectar plant
#piedmont
#spring flowers
#specialized bees
#moist soil
#food source
#cpp
#well-drained soil
#perennial flowers
#summer flowers
#deer resistant
#cream flowers
#native garden
#mountains
#groundcover
#coastal plants
#fall fruits
#summer interest
#spring interest
#pollinator plant
#naturalized area
#fruits summer
#fruits spring
#forb
#food source nectar
#food source pollen
#perennials
#dry soils tolerant
#Piedmont Mountains FACU
#Coastal FACU
#flowering
#pollinators
#pollinator garden
#bee friendly
#flowers
#audubon
#woodlands
#stormwater demo garden orange co
#NC Wildflower of the Year

Similar Plants

Heuchera americana is often confused with:

Heuchera americana Feature Summary

Attributes
Roots contain the mineral substance alum which is a powerful astringent.
native to eastern and central North America, from Ontario
Members of the genus Heuchera support the following specialized bee: Colletes aestivalis. The foliage is high in tannins, giving it a bitter taste and making it unappetizing to deer. Bees and other pollinating insects enjoy the nectar from the flowers.
Perennial
Wildlife Food Source
Attracts Pollinators
Colorful
Attractive Flowers
Fruit
In North Carolina, the fruits are available from May to September.
Brown/Copper
Flowers
The flowering stalk is 1-2 ft. and almost leafless. Small greenish-purple bell-shaped flowers droop from short branching stems. The stamens are tipped with orange anthers. In North Carolina, the cream-colored flowers are available from April to August.
Purple/Lavender
Green
Orange
Cream/Tan
Spring
Summer
< 1 inch
Leaves
Each leaf has a long stalk and grows from the base of the plant; 7 to 9 shallowly lobed, toothed and heart-shaped leaves; 3-4 in. wide
Purple/Lavender
Gold/Yellow
Red/Burgundy
Cordate
Orbicular
3-6 inches
Whole Plant Traits
Perennial
Herbaceous Perennial
Native Plant
Wildflower
Clumping
Coarse
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Dappled Sunlight (Shade through upper canopy all day)
Acid (<6.0)
Good Drainage
Moist
Occasionally Dry
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
9a
9b
High Organic Matter
Loam (Silt)
Landscape
Rock Garden
Pollinator Garden
Native Garden
Shade Garden
Border
Mass Planting
Drought
Deer
Rabbits
Dry Soil
Black Walnut
Container
Meadow
Naturalized Area
Slope/Bank
Pollinators
Specialized Bees

Heuchera americana Attributes

Heuchera americana: Uses (Ethnobotany)

Roots contain the mineral substance alum which is a powerful astringent.

Heuchera americana: Country Or Region Of Origin

native to eastern and central North America, from Ontario

Heuchera americana: Wildlife Value

Members of the genus Heuchera support the following specialized bee: Colletes aestivalis. The foliage is high in tannins, giving it a bitter taste and making it unappetizing to deer. Bees and other pollinating insects enjoy the nectar from the flowers.

Heuchera americana: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Heuchera americana: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Heuchera americana: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Heuchera americana Fruit

Heuchera americana: Fruit Description

In North Carolina, the fruits are available from May to September.

Heuchera americana: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Heuchera americana: Fruit Color

grass
Brown/Copper

Heuchera americana Flowers

Heuchera americana: Flower Description

The flowering stalk is 1-2 ft. and almost leafless. Small greenish-purple bell-shaped flowers droop from short branching stems. The stamens are tipped with orange anthers. In North Carolina, the cream-colored flowers are available from April to August.

Heuchera americana: Flower Color

filter_vintage
Cream/Tan
filter_vintage
Green
filter_vintage
Orange
filter_vintage
Purple/Lavender

Heuchera americana: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Heuchera americana: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Heuchera americana: Flower Bloom Time

Winter
Spring
Summer
Fall

Heuchera americana: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Heuchera americana: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Heuchera americana Leaves

Heuchera americana: Leaf Description

Each leaf has a long stalk and grows from the base of the plant; 7 to 9 shallowly lobed, toothed and heart-shaped leaves; 3-4 in. wide

Heuchera americana: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Heuchera americana: Leaf Color

spa
Green

Heuchera americana: Deciduous Leaf Fall Color

spa
Gold/Yellow
spa
Purple/Lavender
spa
Red/Burgundy

Heuchera americana: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Heuchera americana: Hairs Present

No
Yes

Heuchera americana: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Heuchera americana: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Heuchera americana Whole Plant Traits

Heuchera americana: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Heuchera americana: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Heuchera americana: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Heuchera americana: Maintenance

Low
Medium
High

Heuchera americana: Texture

Fine
Medium
Coarse

Heuchera americana Cultural Conditions

Heuchera americana: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Heuchera americana: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Heuchera americana: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Heuchera americana: NC Region

Coastal
Mountains
Piedmont

Heuchera americana: USDA Plant Hardiness Zone

thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Heuchera americana: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Heuchera americana Stem

Heuchera americana: Stem Is Aromatic

No
Yes

Heuchera americana Landscape

Heuchera americana: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Heuchera americana: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Heuchera americana: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Heuchera americana: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Heuchera americana: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees