Winter Aconite Eranthis hyemalis
Other plants called Winter Aconite:
Previously known as:
- Helleborus hyemalis
- Phonetic Spelling
- er-AN-thiss hy-eh-MAY-liss
- This plant has high severity poison characteristics.
- See below
This delightful yellow flower will add a splash of color rock gardens, beds, and woodland gardens. Plant tubers 1 in. apart, 60-100 per sq. ft., burying it 5 in. to the base of the tuber. This plant is injured below 5 degrees F (-15 degrees C). It tolerates drought, but make sure to keep the soil moist during the growing season.
Quick ID Hints:
- Flowers nodding, petaloid sepals
- Short plant with stiff, large, evergreen leaves
- Leaves are palmately divided into many leaflets
- Flower center of numerous stamens outlined by tubular nectaries, or fleshy , beaked capsules
Blooms in late winter to very early spring; utilized for borders or patios in protected, shady spots; poisonous leaves and roots- Greek 'helein'= to injure and 'bora'= food; excellent for long, winter blooming display.
Numerous hybrid selections and species available, often difficult to distinguished, misidentified in trade, and each callen lenten rose, a name historically associated with H. orientalis.
Prefers partial to full shade; prefers organic-enriched soil; intolerant of bright winter sun and high temperatures; Fungal diseases are main problem.
- See this plant in the following landscape:
- Cultivars / Varieties:
- Cultivars / Varieties:
- Life Cycle:
- Country Or Region Of Origin:
- Asia Minor and Europe
- Height: 0 ft. 3 in. - 0 ft. 5 in.
- Width: 0 ft. 3 in. - 0 ft. 5 in.
Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Drainage:
- Available Space To Plant:
- Less than 12 inches
- Fruit Color:
- Fruit Type:
- Fruit Description:
- Clustered, green, fleshy capsules, long-beaked, surrounded by persistent sepals.
- Flower Color:
- Flower Inflorescence:
- Flower Value To Gardener:
- Flower Bloom Time:
- Flower Petals:
- 6 petals/rays
- Flower Description:
- Blooms in early spring, February/March. A stalked cyme or panicle, terminal, bracteated, often nodding; bracts gigantic, leaf-like, dark green, entire to sparsely toothed, +/- lobed. 1-many, usually greenish, tinted gold or brown, pink or purple, cup or bowl-shaped, nodding, 3-4" dia; sepals 5, showy, pigmented, broadly ovate-elliptic; inner petal segments numerous, consisting of tubular nectaries, green to greenish-yellow, ephemeral; stamens numerous, anther yellow.
- Leaf Color:
- Leaf Type:
- Compound (Pinnately , Bipinnately, Palmately)
- Leaf Margin:
- Hairs Present:
- Leaf Description:
- Basal or cauline, palmately compound, coriaceous, glabrous; petiloes elongate, peltate; leaflets 3-9, irregularly toothed or serrate.
- Stem Is Aromatic:
- Stem Description:
- Stout, rhizomatous or exposed.
- Landscape Location:
- Rock Wall
- Landscape Theme:
- Rock Garden
- Resistance To Challenges:
- Poisonous to Humans
Poisonous to Humans:
- Poison Severity:
- Poison Symptoms:
- HIGHLY TOXIC, MAY BE FATAL IF EATEN! Stomach pain, nausea, vomiting, diarrhea, disturbed vision, shortness of breath, irregular pulse, and potential cardiac arrest.
- Poison Toxic Principle:
- Cardiac glycosides of the bufadienolide group
- Causes Contact Dermatitis:
- Poison Part: