Erysimum 'Chelsea Jacket'
Encyclopedia
Small and short-lived, Erysimum 'Chelsea Jacket' is a perennial cultivar
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

 of Erysimum cheiri
Erysimum cheiri
Erysimum cheiri is a species of wallflower known by the common name Aegean wallflower in English. It is also known as giroflée and revenelle in French, goldlack in German, alhelí in Spanish and violacciocca in Italian.-Distribution:The plant is native to Europe but it is common and widespread on...

 usually grown for its long-lasting and brightly coloured flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s. It is closely related to Cheiranthus
Cheiranthus
Cheiranthus , also known as wall-flower, is a large genus from the family Brassicaceae. They are perennial plants grown for their colourful flowers....

. This plant has been given an RHS
Royal Horticultural Society
The Royal Horticultural Society was founded in 1804 in London, England as the Horticultural Society of London, and gained its present name in a Royal Charter granted in 1861 by Prince Albert...

 Award of Garden Merit
Award of Garden Merit
The Award of Garden Merit, or AGM, is an award made to garden plants by the British Royal Horticultural Society after a period of assessment by the appropriate committees of the Society...

. Normal height is about 30 cm, prostrate habit.

The plant flourishes in full sun and well-drained soil
Soil
Soil is a natural body consisting of layers of mineral constituents of variable thicknesses, which differ from the parent materials in their morphological, physical, chemical, and mineralogical characteristics...

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
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