Ageratina altissima

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Ageratina altissima
Light:Full Sun Part Shade
Moisture:Mesic
Hardiness:6
Soil pH:5.6-8.4
Self Pollinated
Height:7'
Blooms:Late Summer-Early Fall
Native to:
Medicinal Rating:
Tea:Yes
Poisonous

Ageratina altissima (common name: white snakeroot)

Propagation: Seed - sow spring in a cold frame, only just covering the seed. When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.

Division in spring.

Cultivation: Succeeds in an ordinary well-drained but moisture retentive garden soil in sun or part shade[1].

There is some difference of opinion over the correct name for this species with some authorities using Eupatorium rugosum[K].

Range: Eastern N. America.

Habitat: Low woods in river valleys in Texas[2].

Medicinal: The root is diaphoretic, diuretic, febrifuge, stimulant and tonic[3]. It has been used in the treatment of diarrhoea, gravel and urinary diseases[3]. It has also been used in herbal sweat baths to encourage sweating[3]. A decoction or infusion of the root has been taken to treat a fallen or inflamed womb[3].

The root has been chewed and held in the mouth as a treatment for toothache[3].

Pollinators: Insects

Soil: Can grow in light, medium, and heavy soils.

Drainage: Prefers well drained soil.

Flower Type: Hermaphrodite

Known Hazards: The plant contains tremetol, a complex alcohol, and glycosides. These toxins cause a fatal disease known as 'staggers' in cattle. The toxin can be passed through the milk and has caused fatalities in humans who have drunk affected cow's milk[2].

Also Known As: Eupatorium ageratoides. E. rugosum. E. urticaefolium,

Links

References

  1. Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. 2.0 2.1 Diggs, George and Barney Lipscomb. Illustrated Flora of North Central Texas. Botanical Research Institute, 1999.
  3. 3.0 3.1 3.2 3.3 3.4 Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.