Early Meadow-rue
Thalictrum dioicum

Photo by Jen Neal
Summary
Early meadow rue is early to the party indeed, flowering just as trees are beginning to leaf out in spring. It’s a graceful woodland perennial, with delicate foliage similar to columbine. While its unusual flowers seem to lack petals, they more than make up for it with long stamens or pistils that resemble tassels. It’s dioecious, meaning that male and female flowers are borne on separate plants, so it’s best to plan for several of each in close proximity for optimal pollination. The male stamens are yellowish, while the female pistils are of a light purple hue. This woodland beauty prefers light shade or dappled sunlight and moist, rich soil.
More Details
FAMILY
Ranunculaceae (Buttercup)
BLOOM TIME
April-May
FLOWER
Green, purple
MATURE SIZE
1-2 feet
LIGHT REQUIREMENT
Part shade
SOIL CONDITIONS
Moist
NATIVE STATUS
PA Native
Ecosystem Connections
The caterpillars of the Canadian owlet (Calyptra canadensis), meadow-rue borer (Papaipema unimoda) and white striped black (Trichodezia albovitatta) rely upon meadow rue species as a host plant.
White-tailed deer (Odocoileus virginianus) occasionally may browse on the foliage of early meadow rue. Nongame birds and small mammals may consume the seeds.