perennial

Tall Meadow-rue

Thalictrum polygamum

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

60 inches

Width

36 inches

Light

Full Sun, Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Prefers moist environments

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic

The Story

Plant Bio

Thalictrum polygamum, commonly known as the meadow rue, is a perennial herbaceous plant featuring delicate, fern-like foliage and airy clusters of small, often pale-colored flowers that sway elegantly in the breeze. This species is appreciated for its fine-textured foliage and its ability to attract pollinators, making it a popular choice for naturalistic and cottage garden settings.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides airy, delicate foliage and attractive flowers that add texture to shaded gardens.

Helps suppress weeds and retains soil moisture with mulch.

Supports pollinators and beneficial insects in shaded habitats.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck seeds into moist soil in early spring
Maintain consistent moisture during germination
Transplant seedlings after they develop true leaves
Space plants 18-24 inches apart for airflow
Mulch to retain soil moisture and suppress weeds
Prune back after flowering to promote bushiness

Pro Tip

Prefers partial shade and rich, well-drained soil for best growth

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Apply organic mulch to conserve moisture
Prune after flowering to maintain shape

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize with high nitrogen fertilizers
Never let soil dry out completely

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Mulch
Plant
Spring Cleanup
Stake

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded border with delicate foliageWildflower meadow accent

Companion Plants

Fern Hosta Astilbe Ligularia Anemone

Multiply

Propagation Methods

Good to Know

Common Questions

Tall Meadow-rue questions

What zones can Tall Meadow-rue grow in?

Tall Meadow-rue is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Tall Meadow-rue deer resistant?

Yes — Tall Meadow-rue is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Tall Meadow-rue bloom?

Tall Meadow-rue typically blooms in summer through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Tall Meadow-rue need full sun?

Tall Meadow-rue does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.