Photo by Melody

PlantFiles: Coral Bells, Alumroot, Coralbells, Alum Root
Heuchera sanguinea 'Splendens'

Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Heuchera (HEW-ker-a) (Info)
Species: sanguinea (san-GWIN-ee-a) (Info)
Cultivar: Splendens

» View all varieties of Heucheras

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12-18 in. (30-45 cm)

18-24 in. (45-60 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
Sun to Partial Shade
Light Shade

Bloom Color:
Scarlet (Dark Red)

Bloom Time:
Mid Spring
Late Spring/Early Summer

Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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By sylvain
Thumbnail #1 of Heuchera sanguinea by sylvain

By sanannie
Thumbnail #2 of Heuchera sanguinea by sanannie

By wiggiej
Thumbnail #3 of Heuchera sanguinea by wiggiej

By ms_greenjeans
Thumbnail #4 of Heuchera sanguinea by ms_greenjeans

By ms_greenjeans
Thumbnail #5 of Heuchera sanguinea by ms_greenjeans


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive ms_greenjeans On Nov 22, 2010, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

Coral bells are usually grown for their foliage -- but the foliage on this one is rather plain. However, the flowers are bright red and it blooms most of the summer. So I actually plant this one for the all coral bells, it is a great, low-maintenance reliable performer.

Positive sylvain On Jun 24, 2005, sylvain from montreal
Canada wrote:

I bought five of these Heuchera last spring (2004) and they made only a few flowers. But this year, wow, there are long stems full of red flowers and let me tell you that not only they are strikingly beautiful, but the hummingbirds love them too!

So, this year I planted more in the backyard in order to attract more hummers next year. Another thing, the flowers stay quite long, not like the oriental poppies which are gone after a few days.

And the leaves also stay all winter under the snow. In early spring there is a nice patch of green where my coral bells are. This is really a hardy plant in zone 5 (Canada, zone 4 for US).


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

Waterbury, Connecticut
Bensenville, Illinois
Hebron, Kentucky
Ann Arbor, Michigan
Hopkins, Minnesota (2 reports)
Dayton, Ohio
Norristown, Pennsylvania
Augusta, Wisconsin

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