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Coral Bells, Alumroot, Coralbells, Alum Root 'Midnight Rose'


Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Heuchera (HEW-ker-a) (Info)
Cultivar: Midnight Rose
» View all varieties of Heucheras
View this plant in a garden




6-12 in. (15-30 cm)


12-15 in. (30-38 cm)

15-18 in. (38-45 cm)


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)

Sun Exposure:

Full Sun

Bloom Color:


Bloom Time:

Late Spring/Early Summer


Grown for foliage

Other details:

Unknown - Tell us

Soil pH requirements:

6.6 to 7.5 (neutral)

Patent Information:


Propagation Methods:

By dividing the rootball

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Foliage Color:



Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


This plant has been said to grow in the following regions:

Sorrento, British Columbia

Hydesville, California

San Jose, California

Boise, Idaho

Des Plaines, Illinois

Washington, Illinois

Oskaloosa, Iowa

Nottingham, Maryland

Dearborn Heights, Michigan

East Tawas, Michigan

Saint Louis, Missouri

Litchfield, New Hampshire

Averill Park, New York

Clifton Park, New York

Honeoye Falls, New York

Saugerties, New York

Wellsville, New York

Clyde, Ohio

Coshocton, Ohio

Oklahoma City, Oklahoma

Norristown, Pennsylvania

Leesburg, Virginia

Arlington, Washington

Kalama, Washington

Olympia, Washington

Appleton, Wisconsin

Minocqua, Wisconsin

show all

Gardeners' Notes:


On May 12, 2013, Eldine from Wellsville, NY (Zone 4b) wrote:

A nice, slow growing heuchera. Very pretty foliage. I grow it in zone 4 in a semi-shady spot. Cut the flowers off as they are nothing to look at.


On Jul 10, 2012, esteve59 from Annapolis, MD wrote:

When it is healthy it is one of my favorites.It is beautiful.However,I have not had good luck with this one....seems finicky to me...


On Apr 23, 2012, JenDion from Litchfield, NH (Zone 5b) wrote:

Gorgeous coloration on leaves. Did not divide well in late summer, but overwintered w/o snow cover 2011-2012 and didn't bat an eye. Worth having, but I'm dividing in spring from now on!


On Jul 13, 2011, Gabrielle from (Zone 5a) wrote:

A really pretty Heuchera that looks striking with so many color combinations. Blooms in May-October in my garden, but the blooms are pretty insignificant. PP #18551


On Nov 22, 2009, stormyla from Norristown, PA (Zone 6b) wrote:

This is a very beautiful Heuchera that seems to do well in full shade as well as in part sun. A lovely addition to any shady garden. Not an incredibly fast growing Heuchera.


On May 1, 2009, amnesiadream from Oklahoma City, OK (Zone 7b) wrote:

I actually grew this plant in full Oklahoma sun and it didn't flinch. I'm very impressed with how well it grew.