Plant preorder for the 2027 season will begin mid to late November

Aconitum napellus

Regular price $1899
Shipping calculated at checkout.

2027 pre-order will begin late November

  • Pot Size: 5.25 Inch Square Pot
  • Common Name: Monkshood
  • Exposure: Full sun to Partial Sun
  • Hardiness Zone: 5-8
  • Bloom Color: Blue, Violet
  • Bloom Time: Summer
  • Garden Height: 48 Inches
  • Garden Spread: 12 Inches

This variety boasts deep violet-blue flowers held on very strong, sturdy stems that do not usually require staking. It makes a statement in the partial shade garden because of its size and beautiful color. It is often mistaken for Delphinium in our gardens. Usually blooms mid to late summer. Beautiful foliage and blooms, just be a little cautious when handling.

Uses: Cottage Gardens, Landscapes, Mass Planting, Woodland Gardens
Nature Attraction: Bees
Critter Resistance: Deer
Notable Features: Poisonous
Growth Habit: Upright


All parts of the plant are poisonous: wear gloves when handling!

Photos courtesy of Walters Gardens, Inc

Homeowner Growing Tips

All parts of the plant are poisonous. Grow in soil that is moisture retentive but not where it sits soggy.

Water Requirements: Water soil fully and keep fairly moist, but not soaked (waterlogged). (once established)

Delivery and Shipping

Orders will be scheduled to ship based on the last frost date in your area. See the map below for more information.

We guarantee our plants to arrive in acceptable condition. If there are any issues upon delivery, please email support@romencegardens.com within 48 hours and we will resolve the issue.

Plants are regularly trimmed as part of standard care. You might receive plants that have already been cut back, which supports better longevity, performance, and appearance.  

Images show mature plants and may not match exactly what is shipped.

Estimated Time In Transit

This map shows the estimated amount of time that your order will spend in transit on its way to you after it leaves our facility. Transit time does not include shipping day.