Winter Aconite Plant Care

Winter Aconite (Eranthis hyemalis) belongs to the Ranunculaceae family within the Eranthis genus. Winter Aconite is native to calcareous woodland habitats in France, Italy and the Balkans, and widely naturalized else. Winter Aconite is also known as Winter Wolfsbane.

Winter Aconite displays a low rosette, clumping growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Winter Aconite produces bright yellow cup-shaped flowers with a ruff of green leaves.

Leaf size: approximately 2 inches.

Water a young or newly planted Winter Aconite every 3–5 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Winter Aconite thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Winter Aconite in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Eranthis hyemalis tolerates temperatures of 50–70°F. Winter Aconite prefers humidity levels of 40–60%.

Rich, moist, well-draining soil with high organic content. Good drainage is essential for Winter Aconite to prevent waterlogging, which leads to root rot and fungal issues.

Feed Winter Aconite every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with partial shade to full shade and rich, moist, well-draining soil with high organic content. Avoid low spots where water collects after rain.

Winter Aconite is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

Winter Aconite can spread to about 1 ft (0.2 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

Prune Winter Aconite while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

Winter Aconite is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Winter Aconite can be propagated through division of tubers.

See all plants toxic to cats and plants toxic to dogs.

Winter Aconite is susceptible to slugs, snails, aphids. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Winter Aconite grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Winter Aconite is native to calcareous woodland habitats in France, Italy and the Balkans, and widely naturalized else. In cooler regions, grow Winter Aconite as a houseplant or bring it indoors before the first frost.