Photo by Melody

PlantFiles: Coral Bells, Alumroot, Coralbells, Alum Root
Heuchera 'Mt. St. Helens'

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Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Heuchera (HEW-ker-a) (Info)
Cultivar: Mt. St. Helens
Additional cultivar information: (aka Mount Saint Helens)

» View all varieties of Heucheras

3 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
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:
Sun to Partial Shade

Bloom Color:
Red

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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to view:

By ownedbycats
Thumbnail #1 of Heuchera  by ownedbycats

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral berrygirl On Mar 21, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

(NOTE: AKA 'Mount Saint Helens'.)

HEUCHERA Mount St. Helens Deep fiery-red flowers and red stems. Outstanding.

General Information:
Vigorous and large flowered, these varieties make excellent border plants with their nearly evergreen foliage in neat clumps. Bright flowers are held aloft on airy stems in May through July. Can be used in a shady courtyard pot or as a ground cover under deciduous trees. Avoid dry soil with full sun, good cut flower, evergreen, good groundcover.

Plant Care:
Benefits from deadheading. Watch for frost heaving - mulch can help. It keeps the mature crown in contact with the soil and keeps the soil moist in the summer as well. Must have good drainage over the winter, though, so don't over-do the overwintering mulching.

Positive ownedbycats On May 29, 2005, ownedbycats from Southern, NH (Zone 5b) wrote:

I've grown this for 3 years, it has survived some harsh winters without a problem. Foliage is green with small red flowers in spring.

Regional...

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

Hebron, Kentucky
Sandown, New Hampshire
Portland, Oregon
Wilsonville, Oregon
Albion, Pennsylvania



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