A familiar-looking flower, an open-trumpet, often lilac, pink or white, opening wide in full sun. A few stand out species, both from the Mediterranean are the shrubby C. cneorum, with its intense silvery leaves and the low scrambler, C. sabatius, purple-violet flowers, very suitable in a rockery.
All Convolvulus flowers attract pollinators including especially bees, hoverflies and micromoths. On one of the twining species you may be lucky enough to find the enormous caterpillar of the convolvulus hawkmoth which is likely to be the offspring of a long-distance migrant from the continent.