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Early meadow-rue

Thalictrum dioicum

Last reviewed: November 2026

Early meadow-rue is a woodland forb that blooms in April and May, thriving in part shade to shade with medium soil moisture in eastern and midwestern forests.

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Early meadow-rue (Thalictrum dioicum)
Photo: Hardyplants

Toxicity unknown

Early meadow-rue (Thalictrum dioicum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

12"–30" H × 12"–18" W

Bloom

Apr, May

Native to

AL, AR, CT, DC and 31 more states

Pollinators

wind-pollinated

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A delicate woodland plant with airy blue-green foliage resembling columbine and dangling greenish flower tassels on separate male and female plants. It emerges very early and fills shaded ground with fine texture.

Growing Early meadow-rue

Grow Early meadow-rue in part shade and medium water. Mature plants reach 12 to 30 inches tall and spread 12 to 18 inches wide.

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Wildlife value

Wind-pollinated rather than insect-pollinated, but the fine early foliage provides cover for ground-foraging invertebrates.

Common questions

When does Early meadow-rue bloom?
Early meadow-rue typically flowers from April into May, opening small greenish blossoms before many surrounding woodland plants have fully leafed out.
What light conditions does Early meadow-rue need?
It grows best in part shade to full shade, often found beneath deciduous trees where dappled light reaches the forest floor for part of the day.
How is Early meadow-rue pollinated?
Early meadow-rue is wind pollinated, with small petal-less flowers that release pollen into the air rather than relying on insect visitors.
How much moisture does Early meadow-rue need?
It prefers medium soil moisture but can tolerate somewhat drier conditions once established in shaded woodland settings.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Early meadow-rue? Add it to your garden in the Pollinator Patch App to track it and get season-by-season care guidance.