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Erysimum capitatum - (Douglas.)Greene.
Common Name Coastal Wallflower, Sanddune wallflower, Contra Costa wallflower, San Luis Obispo wallflower, Pursh'
Family Brassicaceae or Cruciferae
USDA hardiness 5-9
Known Hazards None known
Habitats Found in many habitats from southern British Columbia to California at 750 - 3600 metres[155]. Open dry flats and hillsides, from the lowest valleys to about 3,000 metres in the mountains[212].
Range Western N. America - British Columbia to Indiana, south to Texas and California.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Fully Hardy Well drained soil Moist Soil Full sun


Erysimum capitatum Coastal Wallflower, Sanddune wallflower, Contra Costa wallflower, San Luis Obispo wallflower, Pursh

Erysimum capitatum Coastal Wallflower, Sanddune wallflower, Contra Costa wallflower, San Luis Obispo wallflower, Pursh
Physical Characteristics
 icon of manicon of flower
Erysimum capitatum is a BIENNIAL/PERENNIAL growing to 0.6 m (2ft).
It is hardy to zone (UK) 6. It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

E. asperum. (Nutt.)DC. Cheiranthus capitatus.

 Cultivated Beds; South Wall. In. West Wall. In.
Edible Uses
None known
Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antirheumatic;  Odontalgic;  Poultice;  Skin.

A preventative against sun burn, the plant was ground up then mixed with water and applied to the skin[213]. It relieves the pain caused by overexposure to heat[155]. A poultice of the whole pounded plant has been applied to open fresh wounds and rheumatic joints[257]. An infusion of the whole plant has been used as a wash on aching muscles[257]. The crushed leaves have been sniffed as a treatment for headaches[257]. A poultice of the warmed root has been applied to treat the pain of toothache[257]. An infusion of the crushed seed has been drunk and used externally in the treatment of stomach or bowel cramps[257].
Other Uses
None known
Cultivation details
Requires a well-drained soil and a sunny position[200]. Dislikes acid soils[200]. Tolerates poor soils[200]. Grows well on a sunny wall and is indeed longer lived in such a position[166]. A polymorphic species[155], it is possibly a form of E. asperum[1].
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.

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Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Erysimum cheiranthoidesWormseed Mustard01
Erysimum cheiriWallflower, Aegean wallflower02
Erysimum diffusumDiffuse wallflower01
Erysimum hieraciifoliumEuropean wallflower,20
Erysimum repandumBushy Wallflower, Spreading wallflower01
Erysimum x allioniiSiberian Wallflower00
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Subject : Erysimum capitatum  

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