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Plant care

Cilician Winter Aconite (Winter aconite) care

Eranthis cilicica

Also called Cilician winter aconite, Winter aconite.

RHS H6USDA 4-9Toxic to petsIndoor 5–8 cm tall in flower

Watering rhythm

Medium indirect light (a couple of metres from a window)

Moist during late winter and spring growth; dry to moderate when dormant

Light

Medium indirect light (a couple of metres from a window)

Soil

Humus-rich, moist, well-drained; tolerates alkaline soils

Humidity

Moderate

Temp

-15 to 18°C

Pet safety

Toxic to pets

Mature size

5–8 cm tall in flower

Care at a glance

Light

Cilician Winter Aconite wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. Best in dappled shade beneath deciduous trees where early spring light penetrates before leaf break; will tolerate an open, sunny site as long as soil moisture is maintained through winter and spring. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water cilician winter aconite moist during late winter and spring growth; dry to moderate when dormant. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Keep soil consistently moist during the short active-growth period from midwinter to late spring; once foliage dies back, the plant requires little to no supplemental water but the soil should not become completely parched.

Soil and pot

Cilician Winter Aconite grows best in humus-rich, moist, well-drained; tolerates alkaline soils. Performs best in neutral to alkaline soil enriched with leaf mould or garden compost; slightly more drought-tolerant than E. hyemalis once established, but still prefers moisture-retentive conditions during its brief growing season. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Cilician Winter Aconite sits happiest at around Moderate humidity and -15 to 18°C (5 to 64°F). Grows satisfactorily in the ambient outdoor humidity of UK and northern US gardens; no special humidity management needed when grown in a sheltered outdoor position. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed cilician winter aconite sparingly. Top-dress the planting area with leaf mould or well-rotted compost each autumn; a light application of balanced granular fertiliser in early autumn can support naturalising colonies that may exhaust nutrients over time. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on cilician winter aconite in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Desiccation of dry-stored tubers before plantingCommercially distributed dry tubers of E. cilicica desiccate rapidly; soak in water for 24 hours before planting and get them into the ground as early as possible in autumn. Buying plants 'in the green' in early spring gives far better establishment rates.
  • Poor naturalisation in acidic or dry soilsEranthis cilicica self-seeds less freely than E. hyemalis and will not naturalise in strongly acidic or drought-prone soils. Improve soil with ground limestone and generous compost incorporation before planting, and mulch annually to retain moisture.

Propagation

Sow fresh seed immediately after collection in late spring — viability drops rapidly when stored. Divide established clumps by lifting them immediately after flowering 'in the green', separating tubers, and replanting at once. Divisions establish far more reliably than replanted dry tubers. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Cilician Winter Aconite is toxic to pets. Like all Eranthis species, E. cilicica is toxic to cats and dogs. It contains cardiac glycosides (bufadienolides including eranthin A and B) and protoanemonin, characteristic of the Ranunculaceae family. Symptoms of ingestion include vomiting, diarrhoea, bradycardia, respiratory distress, and in severe cases cardiac arrest. Seek veterinary assistance immediately if ingestion is suspected. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Cilician Winter Aconite care — frequently asked questions

What is the common name for Eranthis cilicica?

Eranthis cilicica is most commonly called Cilician Winter Aconite, but it is also known as Cilician winter aconite, Winter aconite. The names refer to the same species, so care instructions for Cilician Winter Aconite apply identically to anything sold as Winter aconite.

How much light does cilician winter aconite need?

Cilician Winter Aconite grows best in medium indirect light (a couple of metres from a window). Best in dappled shade beneath deciduous trees where early spring light penetrates before leaf break; will tolerate an open, sunny site as long as soil moisture is maintained through winter and spring.

How often should I water cilician winter aconite?

Water cilician winter aconite moist during late winter and spring growth; dry to moderate when dormant. Keep soil consistently moist during the short active-growth period from midwinter to late spring; once foliage dies back, the plant requires little to no supplemental water but the soil should not become completely parched. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is cilician winter aconite toxic to cats and dogs?

Cilician Winter Aconite is toxic to pets. Like all Eranthis species, E. cilicica is toxic to cats and dogs. It contains cardiac glycosides (bufadienolides including eranthin A and B) and protoanemonin, characteristic of the Ranunculaceae family. Symptoms of ingestion include vomiting, diarrhoea, bradycardia, respiratory distress, and in severe cases cardiac arrest. Seek veterinary assistance immediately if ingestion is suspected.

What USDA hardiness zone does cilician winter aconite grow in?

Cilician Winter Aconite is rated for USDA zone 4-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Cilician Winter Aconite deep-dive guides

Every aspect of cilician winter aconite care, each with its own calibrated guide:

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Cilician Winter Aconite qualifies for 6 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

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Cilician Winter Aconite is also commonly called Cilician winter aconite or Winter aconite.