Why did my plant disappear in summer?

It is a spring ephemeral and naturally goes dormant once the weather warms up.

Can I grow this in full sun?

It prefers dappled shade and will likely struggle or scorch in full, intense sun.

Plant guide

Rue anemone.

Anemonella thalictroides

Pronounced uh-nem-oh-NEL-uh thal-ik-TROY-deez

Also known as Anemonella thalictroides

rue anemone — Photo by Michael J. Papay (CC BY) via iNaturalist

This charming woodland perennial is a true herald of spring. It produces delicate, fern like foliage and dainty white or pink flowers that dance above the leaves. It is a wonderful choice for shaded garden beds.

Another photo of Rue anemone — Photo by Christine Young (CC BY) via iNaturalist

At a glance

Care level: Easy
Plant type: Perennial
Light: Partial shade to full shade
Indoor light: Medium light
Water: Every 3 to 7 days
Mature size: 6 to 12 inches
Growth rate: Slow
Hardiness: USDA 4 to 8
Bloom time: Early to mid spring

Care

Plant this beauty in rich, moist soil that mimics its native forest floor habitat. Keep an eye out for wilting if the soil dries out too much during the summer. It prefers to be left undisturbed once established.

Watering: Keep the soil consistently moist but never waterlogged.
Feeding: A light application of compost in early spring is plenty.
Pruning: Simply clear away dead foliage once the plant goes dormant in late summer.
Repotting: Only repot or divide if the plant becomes overcrowded.
Soil: Humus rich, well draining soil
Soil pH: Slightly acidic to neutral
Temperature: -30 to 30°C
Humidity: 40 to 70%

Safety

People: The plant contains protoanemonin, which can cause skin irritation or internal distress if ingested.
Children: Keep this plant away from small children as ingestion of any part may cause stomach upset.
Contact allergens: Handling the foliage may cause mild skin irritation in sensitive individuals.
Airborne allergens: There are no significant reports of respiratory allergies associated with this plant.
Edibility: This plant is not considered edible and should be avoided for consumption.

How to identify it

Fern like compound foliage
Small white or pink flowers
Delicate branching stems
Tuberous root system

Height: 0.1 to 0.25m
Spread: 0.15 to 0.3m
Leaves: green, deciduous
Flowers: white, pink, 1 to 2cm

Problems to watch for

By symptom

Plant problems by symptom

Check your rue anemone from a photo

Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

Growing it

Propagation: division, seed
When to plant: spring, autumn

Plant alongside other spring ephemerals to ensure your garden bed remains interesting throughout the season.

Grows well with

Trillium · They share the same woodland habitat and bloom timing.
Virginia Bluebells · These plants create a beautiful spring display together in shade gardens.

Similar species

Wood Anemone · It shares a similar delicate appearance and woodland growth habit.

Science

Family: Ranunculaceae
Genus: Thalictrum
Order: Ranunculales
Class: Magnoliopsida
Native range: Eastern North America
Conservation: It is not currently listed as endangered, but wild populations should be respected and left undisturbed.

It thrives in the rich, moist soil of deciduous forests where it can capture sunlight before the tree canopy fully leafs out.

Value to wildlife: early season nectar source
Pollinators: bees, butterflies
Uses: woodland gardens, shade borders, naturalizing

Through the year

JFMAMJJASOND

Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 5/9
Light: 3/9
Temperature: 4/9
Moisture: 6/9
Nutrients: 5/9

Taxonomy resolved against GBIF.

Questions people ask

Why did my plant disappear in summer?: It is a spring ephemeral and naturally goes dormant once the weather warms up.
Can I grow this in full sun?: It prefers dappled shade and will likely struggle or scorch in full, intense sun.

Where the name comes from

The genus name Thalictrum comes from the Greek word for a meadow rue, while the species name thalictroides means resembling Thalictrum.

Good to know

It is a true spring ephemeral that goes dormant after flowering.
The flowers lack true petals, using showy sepals instead.
It is native to the eastern forests of North America.

Also in

Plants for shade

Keep your rue anemone growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

Get the app

This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.