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Monkshood

Botanical Name
Aconitum
Min Zone
3
Max Zone
7
Height
3 to 4 feet
Width
12 to 18 inches
Flowers
Mid to late summer: blue, violet
Light
Full sun to part shade (ideal)
Soil
Moist, well-drained (prefers soils that are kept moist, but not wet, especially when grown in full sun)
Planting & Care
  • Dig and divide in spring or fall, though this plant can be left in the garden for many years before that becomes necessary
  • Prefers moist, but not soggy soils
  • Aconitum is poisonous and care should be taken when transplanting, do not plant near vegetable gardens
  • Some taller varieties may need staking
Problems
Crown rot, verticillium wilt, bacterial leaf spot, powdery mildew, rust
Varieties
  • Albus - white flowers, 3 to 4 feet tall
  • Bicolor - blue and white flowers, 3 to 4 feet tall
  • Newry Blue - navy blue flowers, 4 to 5 feet tall

Upcoming Appearances


April 21, 2021
Plant a Landscape that
Makes a Difference

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May 12, 2021
Top Plants for Rain Gardens, Water Gardens & Shoreline Gardens
+ Those to Avoid

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May 13, 2021
Planting Your Rain Garden
Webinar

May 16, 2021
Perennials for Challenging
Growing Conditions

Webinar

June 3, 2021
Creative Container Gardening
Webinar
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