Common Monkshood

Blue Common Monkshood
Common Monkshood (Aconitum napellus)
At a Glance
  • Exposure: Partial Sun/Shade
  • Mature Height: 3 to 4 Feet
  • USDA Hardiness Zones: 3 - 8
  • Soil Conditions: Moist, Well-Drained
  • Foliage Color: Green
  • Bloom Color: Blue
  • Bloom Season: September through October
  • Size: Tall

Features of Common Monkshood


Tall stately spires of true blue flowers. Glossy dark green foliage. All parts of the plant are considered poisonous. Reported to be deer and rabbit resistant.


  • Requires full sun with afternoon shade in soils that are moist but well drained. Moisture should be consistent but not overly wet and swampy.
  • Plant tuberose roots in the fall and set the crowns just beneath the soil surface.
  • Do not disturb established plants.
  • Difficult to divide and transplant successfully.