Photo by Melody

PlantFiles: Foamflower
Tiarella 'Iron Butterfly'

Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Tiarella (tee-uh-RELL-a) (Info)
Cultivar: Iron Butterfly
Additional cultivar information: (PP12396)
Hybridized by Heims; Year of Registration or Introduction: 1999

17 members have or want this plant for trade.

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12-15 in. (30-38 cm)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)

Sun Exposure:
Light Shade
Partial to Full Shade

Bloom Color:
Pale Pink

Bloom Time:
Mid Spring
Late Spring/Early Summer

Grown for foliage

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

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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to view:

By Happenstance
Thumbnail #1 of Tiarella  by Happenstance

By violabird
Thumbnail #2 of Tiarella  by violabird

By Happenstance
Thumbnail #3 of Tiarella  by Happenstance

By Toxicodendron
Thumbnail #4 of Tiarella  by Toxicodendron

By Happenstance
Thumbnail #5 of Tiarella  by Happenstance

By Toxicodendron
Thumbnail #6 of Tiarella  by Toxicodendron

By Kell
Thumbnail #7 of Tiarella  by Kell

There are a total of 15 photos.
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5 positives
No neutrals
No negatives

Gardeners' Notes:

Positive ms_greenjeans On Apr 19, 2012, ms_greenjeans from Hopkins, MN (Zone 4a) wrote:

Got one, loved it, got another, and so on. I now have a dozen or more after about 3 years - great shade plant, beautiful foliage, and lots of fragrant flowers all summer long if you faithfully deadhead it.

Positive bonehead On Nov 22, 2009, bonehead from Cedarhome, WA (Zone 8b) wrote:

What child of the 60s can resist the name...?? And, fragrant flowers to boot. Very nice mounding plant, easily divided in spring to increase the effect. I get heavy blooms May-June, then sporadically all summer.

Positive entwive On Jun 20, 2007, entwive from Barrington, IL (Zone 5a) wrote:

A good rebloomer with large fragrant flowers (if you crouch way down).

Positive Terry On Jun 20, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

New plant for me this year, but off to a very promising start. Potted up when it arrived a few weeks ago from Park Seed; it had nicely filled out the 4" pot and was blooming when I set it out.

Positive violabird On Apr 5, 2003, violabird from Barnesville, GA (Zone 8a) wrote:

Planted last fall, in deep humusy soil, it sure didn't disappoint me with the featherly light pink flowers, and finely cut, veined, maple-leaf like leaves. Bloom for in my 7b garden started April 1.


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

Clayton, California
San Leandro, California
Barnesville, Georgia
Barrington, Illinois
Mount Prospect, Illinois
Delphi, Indiana
Springville, Iowa
Mashpee, Massachusetts
Hopkins, Minnesota
Freehold, New Jersey
Cary, North Carolina
Wilkes Barre, Pennsylvania
Murfreesboro, Tennessee
Mc Kinney, Texas
Lexington, Virginia
Kalama, Washington
Stanwood, Washington

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