Arendsii Autumn Monkshood is an erect tuberous herbaceous perennial with an unusually thick stem and  leathery deeply loped dark green leaves.  The hooded deep violet flowers bloom in fall attracting butterflies and pollinators.  Grows best in moist well-drained soils with afternoon shade in the south.  All parts of this plant are extremely poisonous.

MAINTENANCE NEEDS:   Low maintenance.  Keep soil consistently moist.  Watch for crown rot, powdery mildew, and wilt.  WEAR GLOVES while handling this plant and avoid any contact with skin, and be particularly careful covering any scratches or abrasions before entering area. 

LANDSCAPE USES:  Accents or Group Plantings, Borders, Woodland Gardens, Naturalized Areas, Ponds or Wetlands, and Containers.

COMPANION PLANTS: Knotweed, Sneezeweed, Anemone

IMAGE: H. Zell, Aconitum carmichaelii var. wilsonii 002, CC BY-SA 3.0