Convolvulus sabatius is a perennial plant species, native to Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and North Africa

North Africa

North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

, and often seen in cultivation. It is a woody-stemmed trailing plant, growing to 20 cm in height. It has slightly hairy leaves and light blue to violet flowers, often with a lighter centre, which are 2.5 to 5 cm in diameter.

Cultivation

This species is often sold under the synonymous name Convolvulus mauritanicus. Although a perennial, it is best treated as an annual in colder climates. It is suited to window boxes and containers and prefers a sunny situation with good drainage. Tip pruning encourages new growth and flowering.