Small and short-lived, ''Erysimum'' 'Chelsea Jacket' is a perennial

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...

of ''

Erysimum cheiri ''Erysimum cheiri'', syn. ''Cheiranthus cheiri'', the wallflower, is a species of flowering plant in the family Brassicaceae (Cruciferae), native to Greece, but widespread as an introduced species elsewhere. It is also treated as a hybrid under ...

'' usually grown for its long-lasting and brightly coloured

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanism ...

s. It is closely related to ''

Cheiranthus ''Erysimum'', or wallflower, is a genus of flowering plants in the cabbage family, Brassicaceae. It includes more than 150 species, both popular garden plants and many wild forms. The genus ''Cheiranthus'' is sometimes included here in whole o ...

''. This plant has been given an RHS

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

. Normal height is about 30 cm, prostrate habit. The plant flourishes in full sun and well-drained

soil Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former ...

and is fairly hardy. It flowers continually from late spring to late summer. Flowers start off yellow then fade through tangerine to purple, often with a succession of colours on the same flower head. Some claim that it can be seen changing colors from day to day

References

'Chelsea Jacket' Ornamental plant cultivars {{Brassicales-stub