Amazing flowers @ctrl-alt-nwo! Evergreen, trailing ground-covering plant belonging to the morning glory family (Convolvulaceae), native to North Africa, Spain, and Italy. Funnel-shaped blue to mauve flowers, 2.5 cm wide, appearing mainly during summer and early autumn. Flowers open and close in relation to the amount of sunlight they receive. Soft, fine-haired grey-green leaves, 1.5-3.5 cm long.

Synonym: Convolvulus mauritanicus.

Prefers a sunny position in any well-draining soil. Drought tolerant once established. Tolerates moderate frosts (zones 8-10). Trim in late winter to prevent the plant from becoming too woody. Suitable for coastal areas.

Undemanding, easy care plant that flowers profusely in summer. Looks great, trailing over walls. Not invasive (unlike the common morning glory).

Convolvulus cneorum (more commonly known as silverbush or Silver Bush) is a calm and classy plant for those who prefer an understated, charming dispay. An invaluable evergreen, the Silver Bush looks great at the front of a border or in a pot, where i t will last for years. This elegant silver leaved, white trumpeted convolvulus opens from pretty pink buds. 9cm pot grown plants supplied.

Sources: http://aboutgardendesign.com/plant-guide/item/convolvulus-sabatius-subsp-mauritanicus

https://www.jparkers.co.uk/3-silverbush-convolvulus-0005736c