Photo by Melody

PlantFiles: Coral Bells, Alumroot, Coralbells, Alum Root
Heuchera 'Shamrock'

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Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Heuchera (HEW-ker-a) (Info)
Cultivar: Shamrock

» View all varieties of Heucheras

Category:
Perennials

Height:
6-12 in. (15-30 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:
Full Sun
Sun to Partial Shade

Bloom Color:
Green

Bloom Time:
Late Spring/Early Summer
Mid Summer

Foliage:
Grown for foliage
Silver/Gray

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
5.6 to 6.0 (acidic)
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:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Erynne
Thumbnail #1 of Heuchera  by Erynne

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Erynne On Sep 21, 2006, Erynne from Hillsburgh, ON (Zone 5a) wrote:

The flowers, which are wand-like, are a real bonus on this Heuchera in addition to the silver-overlaid green foliage. The foliage reaches 8" in height, while the flower stalks can grow up to 36" in height. The leaves seem to get greener as the season progress. H.cylindrica is in it's heritage.



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