Aconitum japonicum

Japanese Monkshood

Plant Type:

SHADE PERENNIALS

Aconitum japonicum - Deep blue to purple Spanish conquistador helmets bunched together at the tops of stalks reaching three or more feet tall in the late season garden, August to October. Flowers are showy. Glossy leaves are deeply lobed and palmate with a tracing of red-purple veins. Easy and handsome, strong stalks grow from tuberous rootstock. Note: this is a Monkshood, an aconite - all parts are poisonous. Fertile ground in part to open shade.


Height:

36-42 in

Spread:

24 in

Colors:

Purple Blue

Characteristics and Attributes for Aconitum japonicum

Season of Interest (Flowering)

  • Late Summer into Autumn

Season of Interest (Foliage)

  • Spring / Summer / into Autumn

Nature Attraction

  • Deer Resistant
  • Butterflies
  • Honey Bees & Native Bees

Light

  • Morning Sun / Afternoon Shade
  • Shade
  • Dappled Shade

Attributes

  • Border
  • Cutting Garden
  • Cottage Garden
  • Woodland

Growth Rate in the Garden

  • Moderately Fast

Soil

  • Draining
  • Fertile

Origins

  • China
  • Japan

Propagated By

  • Division