The Botanical Diary
M
Flowers

Monkshood

Aconitum napellus
Also known asmonkshood, wolf's bane, aconitum

Even a small dose of aconite is lethal to humans.

Regions
all regions
Colour
blue, purple
Monkshood (monkshood, wolf's bane, aconitum)
🌸
Bloom
June–August
☀️
Light
Partial shade / тінь
💧
Watering
Moderate
📏
Height
0,8–1,5 m
❄️
Hardiness
Zone 3

Monkshood is one of those plants that inspires both admiration and caution in equal measure. This elegant perennial with a powerful root system is deeply rooted in European flora dating back to medieval times, when its toxic properties were carefully studied and documented. In nature, aconite inhabits mountain valleys and damp forests of Europe and Asia, yet today gardeners worldwide cultivate it with enthusiasm, drawn by its mysterious and almost mystical beauty.

The flowering spectacle of this plant takes one's breath away. From June through August, aconite unfurls magnificent flower spikes bearing elegant blue and violet blooms that truly resemble a monk's hood in shape—hence its evocative English name. Each individual flower appears as a remarkable miniature, demonstrating nature's artistry. Beyond the classic blue form, hybrid varieties exist with pure white and white-blue colouring, expanding the possibilities for garden design and allowing for striking compositions.

In the garden, monkshood is a plant for those who appreciate depth and complexity. It thrives in shaded corners where many other flowers refuse to flower, and creates a dramatic backdrop for delicate spring bulbs or mixed plantings with white perennials. The plant's considerable height makes it perfect for the back rows of borders, whilst its extended flowering period renders it a reliable companion for the summer garden.

Yet be honest with yourself: aconite is not a plant for unconditional affection. Its toxicity, which makes it one of the most dangerous plants in European flora, demands respect and caution. Plant it away from areas where children might play, and always work in sturdy gloves. Should you accept this bargain, aconite becomes your silent aristocrat—a plant that speaks of taste, knowledge, and the capacity to appreciate beauty in its most mysterious forms.

Location & soil

Monkshood — planting & location

LightPartial shade / тінь
Soil typemoist, rich, рН 6–7
Planting timeApril або September
Plant spacing0,4–0,5 m
Planting depth10–15 см

One of the most poisonous plants in Europe! Do not plant where children are present

Water needs

How to water Monkshood

IntensityModerate
FrequencyEvery 7–10 days (в)
Volume10–12
MethodAt the base

Always wear gloves when handling!

Annual care

Fertilizing and pruning: Monkshood

Spring fertilizingNitrogen (April)
Summer fertilizingDo not fertilise
Autumn fertilizingSuperphosphate (August)
Pruning timeПісля цвітіння, October
Pruning typeSanitary

Cut back to 5–7 cm from ground level

Cold hardiness

Monkshood — winter hardiness & care

Hardiness zoneZone 3
Winter coverNot required
Cover timing
Plant protection

Diseases and pests of Monkshood

Diseases
Mosaic virusPowdery mildew
Pests
AphidNematode
Garden design

What grows well with Monkshood?

Дельфіній, люпин, хоста