When should I plant winter aconite?

Plant the tubers in early autumn while they are still fresh.

Why didn't my tubers grow?

Tubers often dry out too much before planting; try soaking them in water for a few hours before putting them in the ground.

Plant guide

Winter Aconite.

Eranthis hyemalis

Pronounced eh-RAN-this hy-em-AH-liss

Also known as Choirboys, Winter Aconite

Winter aconite is a cheerful little bulb that pops up in late winter or early spring. It features bright yellow, cup shaped flowers surrounded by a ruff of green leaves. These plants are perfect for naturalizing under deciduous trees.

Another photo of Winter Aconite — Photo by Karen Fry (CC BY) via gbif

At a glance

Care level: Easy
Plant type: Perennial bulb
Light: Partial shade to full sun
Indoor light: Bright indirect
Water: Every 7 to 14 days
Mature size: 3 to 6 inches
Growth rate: Medium
Hardiness: USDA 3 to 7
Bloom time: Late winter to early spring

Care

Plant these bulbs in autumn in a spot that gets plenty of spring sun before trees leaf out. Keep the soil consistently moist while they are actively growing. Watch for yellowing leaves as the plant goes dormant in late spring.

Watering: Keep the soil moist but not waterlogged during the active growing season.
Feeding: Apply a balanced bulb fertilizer once in early spring as growth begins.
Pruning: Remove dead foliage only after it has turned yellow and withered naturally.
Repotting: Bulbs rarely need repotting unless they become too crowded in their container.
Soil: Humus rich, well draining soil
Soil pH: Neutral to slightly alkaline
Temperature: -40 to 25°C
Humidity: 40 to 70%
Drought tolerance: Moderate
Lifespan: Perennial, typically 5 to 10 years
Deer and rabbits: High

Signs it needs repotting

Roots growing out of the drainage holes
Stunted growth compared to previous years

Safety

People: The plant contains cardiac glycosides that are poisonous to humans and pets if eaten.
Pets: This plant is toxic to cats and dogs if ingested.
Children: Keep this plant away from children as the tubers look like small bulbs and are highly toxic when swallowed.
Contact allergens: The sap can cause skin irritation or dermatitis in sensitive individuals.
Airborne allergens: There is no significant evidence of airborne pollen allergies for this species.
Edibility: All parts of this plant are toxic if ingested and can cause severe digestive distress.

How to identify it

Bright yellow cup shaped flowers
Deeply lobed green foliage ruff
Low growing habit
Blooms in late winter

Height: 0.05 to 0.15m
Spread: 0.05 to 0.1m
Leaves: green, deciduous
Flowers: yellow, 2 to 3cm
Fruit: green, brown, Late spring

Problems to watch for

By symptom

Plant problems by symptom

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Growing it

Propagation: division, seed
When to plant: autumn
Overwintering: No special care is needed as the tubers are hardy and dormant during the coldest months.
In containers: They are best suited for the ground but can be grown in shallow pots if kept cool.

Division

Wait until the foliage begins to yellow in late spring.
Carefully lift the clumps with a garden fork.
Separate the tubers and replant them immediately in a new location.

Plant these in drifts under deciduous trees to mimic their natural woodland habitat.

Grows well with

Snowdrop · They bloom at the same time and create a beautiful contrast in color.
Hellebore · These provide a sturdy backdrop for the small yellow flowers.

Similar species

Buttercup · They share the same family and similar yellow flower structures.

Science

Family: Ranunculaceae
Genus: Eranthis
Order: Ranunculales
Class: Magnoliopsida
Native range: Europe and western Asia
Conservation: This species is not currently threatened and is widely naturalized in many regions.

It grows in deciduous woodlands where it completes its life cycle before the tree canopy fully leafs out.

Value to wildlife: early nectar source
Pollinators: bees
Uses: woodland gardens, rock gardens, early spring color

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

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

Taxonomy resolved against GBIF.

Questions people ask

When should I plant winter aconite?: Plant the tubers in early autumn while they are still fresh.
Why didn't my tubers grow?: Tubers often dry out too much before planting; try soaking them in water for a few hours before putting them in the ground.

Where the name comes from

The genus name Eranthis comes from the Greek words for spring and flower, while hyemalis refers to its winter blooming habit.

Good to know

Winter aconite is a member of the buttercup family.
The plant goes dormant by late spring after setting seed.
It thrives in the dappled shade provided by deciduous trees.

Also in

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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.