Aconitum columbianum

Habitat

Exposition

Plein soleil ou mi-ombre

Humidité

Humidité moyenne.

Sol

Tous sols. Tolère les sols très argileux.

pH

Sol acide ou calcaire

Habitat originel

Moist woods to sub-alpine meadows, mostly along streams[60].

Origine géographique

North-western N. America - Alaska to California.

Dangers connus

• The whole plant is highly toxic - simple skin contact has caused numbness in some people .
• The roots and seeds are the most toxic and also the leaves just before the plant flowers [212].

Usages médicinaux

• The drug 'aconite' can be obtained from the root of this plant [212].
• It is used as a heart and nerve sedative [212].
• This is a very poisonous plant and should only be used with extreme caution and under the supervision of a qualified practitioner .

Autres usages

• The seed is used as a parasiticide [172].

Culture

• Thrives in most soils and in the light shade of trees [1].
• Pousse bien dans les sols très argileux .
• Prefers a moist soil in sun or semi-shade [200].
• Prefers a calcareous soil .
• Grows well in open woodlands [1, 4].
• Members of this genus seem to be immune to the predations of rabbits and deer [233].
• A greedy plant, inhibiting the growth of nearby species, especially legumes [54].
• Closely related to A. fischeri and part of that species according to some botanists [1].
• Polymorphic [60].

Propagation

• Graine - le mieux est de semer dès qu'elles sont mûres sous un chassis [111].
• The seed can be stratified and sown in spring but will then be slow to germinate [133].
• When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for their first winter .
• Plantez les en extérieur à la fin du printemps ou au début de l'été .
• Division - best done in spring but it can also be done in autumn [1, 111].
• Another report says that division is best carried out in the autumn or late winter because the plants come into growth very early in the year [233].