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Perennial

Aconitum

Aconitum napellus (and other spp.)

MonkshoodWolf's BaneDevil's HelmetBlue RocketHelmet Flower

Aconitum, commonly known as monkshood, is a dramatic perennial with distinctive hooded flowers. Despite its beauty, all parts are highly toxic, earning it folklore associations with protection and danger.

Plant Family

Ranunculaceae (Buttercup family)

Blooming

Mid to late summer (July-September), some species bloom in early fall

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Aconitum monkshood flowers with distinctive hooded blooms
Aconitum monkshood flowers with distinctive hooded blooms

Symbolism & Meanings

Key Meanings

Protection
Caution
Danger
Chivalry
Misanthropy
Deadly Beauty

Perfect For

Gothic gardensProtection rituals (folklore)Warning symbolsMemorial gardens (with caution)

Color Meanings

Deep Blue:Protection and mystery
Purple:Nobility and caution
White:Purity with hidden danger
Yellow:Warning and treachery

Similar flowers: monkshoods and daturas also share similar meanings.

Cultural Significance

In European folklore, monkshood was believed to protect against werewolves and evil spirits. Its common name "wolf's bane" reflects this belief. In Victorian flower language, it meant "misanthropy" or hatred of mankind, likely due to its toxic properties. Medieval legends associate it with the goddess Hecate.
Related cultural flowers:Peony, Hydrangea

Botanical Information

Physical Characteristics

Flower Size: 0.5-1 inch long (1.3-2.5 cm), helmet-shaped individual flowers
Plant Size: 3-5 feet tall (0.9-1.5 meters), 1-2 feet wide
Flower Shape: Distinctive hooded or helmet-shaped flowers with a pronounced upper sepal forming the "hood"

Natural Habitat

Native to: Northern Hemisphere, Mountainous regions of Europe, North America, Asia
Habitat: Woodland gardens, shaded borders, mountainous regions in the wild
Climate: Cool temperate, Mountain climates

Growing Guide

Sunlight

Partial shade to full shade; can tolerate morning sun but prefers cool conditions

Water

Consistent moisture, especially during growing season; avoid waterlogged conditions

Soil

Moist, Well-drained, Fertile, Humus-rich, Slightly acidic to neutral

Expert Growing Tips

1

Always wear gloves when handling - all parts are extremely toxic

2

Plant in cool, moist conditions for best performance

3

Mulch to keep roots cool and moist

4

Divide clumps every 3-4 years to maintain vigor

5

Plant away from areas where children and pets play

Uses & Benefits

Ornamental Uses

  • Woodland and shade gardens
  • Back of herbaceous borders
  • Cottage garden plantings
  • Cut flowers (handle with extreme care)
  • Architectural plant for dramatic effect

Traditional Uses

  • Historically used in traditional medicine but extremely dangerous - all parts contain deadly aconitine alkaloids
  • No safe home medicinal uses - professional medical supervision required for any historical preparations

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Aconitum

is aconitum poisonous to humans?

Yes, all parts of aconitum are extremely poisonous to humans and can be fatal if ingested. Even skin contact can cause irritation, so always wear gloves when handling.

when does aconitum bloom?

Aconitum typically blooms from mid-summer to early fall (July through September), producing tall spikes of distinctive hooded flowers.

can you grow monkshood in shade?

Yes, monkshood actually prefers partial to full shade and cool, moist conditions. It's an excellent choice for woodland gardens and shaded borders.

why is aconitum called wolf's bane?

Aconitum earned the name 'wolf's bane' from European folklore, where it was believed to protect against werewolves and was historically used to poison wolves.

Available Colors

Deep Blue
Purple
White
Pink
Yellow
Cream

Quick Facts

Type:perennial
Family:Ranunculaceae (Buttercup family)
Native to:Northern Hemisphere
Blooms:Mid to late summer (July-September), some species bloom in early fall

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