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Aconitum firmum

Helmet flower

Garden

Wishlist

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Features

  • BloomsJuly to September
  • Growth HabitUpright rosette
  • Flower ColourDark purple to blue
  • Leaf ColourGreen

Description

Aconitum firmum (Helmet flower). This wild flowering perennial species has deeply divided leaves with dark purple to blue flowers. The flower buds are conical and the stems are long and thin.

Characteristics

Perennial, Deciduous, Tuber, Shrub or Herbaceous

Other common names

Monkshood

Origin

E. Europe

Interest and use

Has been used medicinally although the plant is deadly toxic. Attractive flowers.

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Needs

  • LightFull sun or Part shade
  • HardinessFully hardy (min -15°C)
  • SoilWell drained
  • Soil pH5.0 to 8.0
  • WaterSemi-moist

Cultivation

They are fully hardy and will prefer sun, but will tolerate some shade and this may enhance the flower colour. Best grown in moist fertile soil in cool conditions. Tall aconites may need staking.

Propagation

By seed.

Pests, diseases or disorders

Fungal stem rot, Verticillium wilt and aphids may be a problem.

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