Erysimum capitatum

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Erysimum capitatum
Light:Full Sun
Moisture:Xeric Mesic
Hardiness:6
Soil pH:6.6-8.4
Height:2'
Blooms:Mid Summer-Late Summer
Native to:
Medicinal Rating:
Tea:Yes
Poisonous

Erysimum capitatum (common name: coastal wallflower)

Propagation: Seed - sow spring in an outdoor seedbed. Germination usually takes place within 3 weeks. Plant the seedlings into their permanent positions when they are large enough to handle.

If seed is in short supply, it can be sown in spring in pots in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer.

Cultivation: Requires a well-drained soil and a sunny position[1]. Dislikes acid soils[1]. Tolerates poor soils[1]. Grows well on a sunny wall and is indeed longer lived in such a position[2].

A polymorphic species[3], it is possibly a form of E. asperum[4].

Range: Western N. America - British Columbia to Indiana, south to Texas and California.

Habitat: Found in many habitats from southern British Columbia to California at 750 - 3600 metres[3]. Open dry flats and hillsides, from the lowest valleys to about 3,000 metres in the mountains[5].

Medicinal: A preventative against sun burn, the plant was ground up then mixed with water and applied to the skin[6]. It relieves the pain caused by overexposure to heat[3].

A poultice of the whole pounded plant has been applied to open fresh wounds and rheumatic joints[7]. An infusion of the whole plant has been used as a wash on aching muscles[7].

The crushed leaves have been sniffed as a treatment for headaches[7].

A poultice of the warmed root has been applied to treat the pain of toothache[7].

An infusion of the crushed seed has been drunk and used externally in the treatment of stomach or bowel cramps[7].

Pollinators: Insects

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

Drainage: Prefers well drained soil.

Flower Type: Hermaphrodite

Also Known As: E. asperum. (Nutt.)DC. Cheiranthus capitatus.

Links

References

  1. 1.0 1.1 1.2 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  2. Taylor, Jane. The Milder Garden. Dent, 1990.
  3. 3.0 3.1 3.2 Arnberger, Leslie. Flowers of the Southwest Mountains. Southwestern Monuments, 1968.
  4. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  5. Davis, Ray and Frank Craighead. A Field Guide to Rocky Mountain Wildflowers. The Riverside Press, 1963.
  6. Weiner, Michael. Earth Medicine, Earth Food. Ballantine Books, 1980.
  7. 7.0 7.1 7.2 7.3 7.4 Moerman, Daniel. Native American Ethnobotany. Timber Press, 1998.