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False Rue Anemone

Isopyrum biternatum

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Isopyrum (eye-so-PYE-rum) (Info)
Species: biternatum (by-TER-nat-um) (Info)
Synonym:Enemion biternatum



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Unknown - Tell us


6-12 in. (15-30 cm)


6-9 in. (15-22 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)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Light Shade


Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Unknown - Tell us



Other details:

Unknown - Tell us

Soil pH requirements:

4.6 to 5.0 (highly acidic)

5.1 to 5.5 (strongly acidic)

5.6 to 6.0 (acidic)

Patent Information:


Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us


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

Louisville, Kentucky

North Billerica, Massachusetts

Grand Rapids, Michigan

Minneapolis, Minnesota

Saint Paul, Minnesota

Saint Louis, Missouri

Devon, Pennsylvania

Leesburg, Virginia

show all

Gardeners' Notes:


On Feb 18, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

A intresting little plant that will spreads well into a clump and prefer woodland shade but is very difficult to find in the plant trade. That's unfortune since it is a very lovely delicate - looking plant that blooms in the spring. To me it is easy to tell from rue anemone since for some reason rue anemone in my yard bloom pink not white. It is more of a clump former than rue anemone since rue anemone tend to spread itself all over the place.


On Nov 22, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

False Rue Anemone Isopyrum biternatum is native to Texas and other States.


On May 27, 2004, MN_Darren from Saint Paul, MN wrote:

Easy to grow. It spreads slowly underground, and reseeds a bit. It likes acidic conditions, but my thriving clump is in neutral soil. The white flowers are quite early--about the time of Bloodroot, and continue coming for the entire month of May. The seeds are difficult to catch before the plant catapults them from its tri-lobed seed pod. The fine, reddish shoots emerge very early, so be careful when cleaning up Winter's mess in their vicinity.