Heuchera, Alum Root, Alumroot, Coral Bells, Coralbells 'Marmalade'

Heuchera

Family
Saxifragaceae (saks-ih-frag-AY-see-ee)
Genus
Heuchera (HEW-ker-a)
Synonym
Spacing
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Hardiness
15-18 in. (38-45 cm)
Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Sun to Partial Shade
Bloom Time
Foliage
Maroon/Burgundy
Other Details
Other details
Late Spring/Early Summer
Mid Summer
Propagation Methods
Grown for foliage
Herbaceous
Seed Collecting
Category
By dividing the rootball
Soil pH requirements
Patent Information
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Perennials
Regional

This plant is said to grow outdoors in the following regions:

Kenai, Alaska

Berkeley, California

Richmond, California

Salinas, California

Yorba Linda, California

Stamford, Connecticut

Waterbury, Connecticut

Plainfield, Illinois

Sioux City, Iowa

Hebron, Kentucky

East Longmeadow, Massachusetts

Bay City, Michigan

Royal Oak, Michigan

Saginaw, Michigan

Silver Lake, Minnesota

Lincoln, Nebraska

Angola, New York

Belmont, North Carolina

Clyde, Ohio

Coshocton, Ohio

Portland, Oregon

Norristown, Pennsylvania

Lexington, Virginia

Bellevue, Washington(2 reports)

Kalama, Washington

Appleton, Wisconsin

Ellsworth, Wisconsin

Minocqua, Wisconsin

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Gardener's Notes:

3
positives
2
neutrals
3
negatives
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T
Bay City, MI | October 2013 | negative

My plant has very poor form. The leaves are large and just lay there.

D
Saskatoon, SK (Zone 3a) | June 2012 | negative

Nice colour, but weakest of the Coral Bells I planted. Emergence was slow in the spring and lags behind two others I planted ("Dolce Lic...Read More

E
E
Deer Lodge, MT (Zone 4a) | January 2011 | neutral

Product Profile: http:/...Read More

A
Fargo, ND (Zone 4a) | May 2010 | negative

Looked great for a hear and a half. Failed to emerge this spring. ND

S
Norristown, PA (Zone 6b) | November 2009 | positive

I find this to be a very hardy Heuchera, although a slow grower. Mine is planted in a bed that receives a fair amount of late afternoon sun.

W
Battle Ground, WA (Zone 8b) | May 2006 | positive

I planted two of these in a very shady spot beneath my big Japanese Maple back in March and they have thrived. One is now beginning to b...Read More

T
T
Kenai, AK | November 2005 | neutral

This is the weakest of my coral bells. It seems to struggle for survival each year and doesn't grow as large as the others. I think I w...Read More

C
| September 2005 | positive

Planted one this spring and have already divided it into 3 quite large plants.Very vigorous grower.Also planted Amber Waves in the same s...Read More

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