University of Wisconsin-Madison

Winter Aconite

Eranthis hyemalis

Plant name: Winter Aconite Eranthis hyemalis This plant features deeply lobed, smooth green leaves that form a collar beneath bright yellow, cup-shaped flowers.

Plant Information

Type: Bulb
Zone: 3, 4, 5, 6, 7
Bloom Time: Mar - Apr
Height: 3-6 inches
Light Requirements: Full sun, Morning shade with afternoon sun, Morning sun with afternoon shade
Soil Conditions: Average well-drained soil
Flower Color: Yellow
Special Characteristics:
  • One of the earliest bulbs to bloom in the spring
  • Needs consistent moisture even though plants go dormant by late spring
  • Plant tubers in groups in late summer to early fall
  • May self-seed and naturalize over time but is easy to control
  • Propagate by dividing clumps after it flowers
  • Tuber is poisonous
  • Black Walnut tolerant
  • Deer tolerant