Convolvulus althaeoides is a perennial herb in the Convolvulaceae that bears solitary, funnel-shaped pink flowers on long stalks. It favours dry, well-drained sandy or rocky soils and performs in full sun or partial shade. Native to Madeira, Porto Santo and mainland Portugal, it is commonly used as a ground cover and in rock gardens. Flowering runs from June to September.

Mallow bindweed (Convolvulus althaeoides) is a perennial that favours dry, well-drained, sunny or part-shade sites and flowers June to September.

https://en.wikipedia.org/wiki/Convolvulus_althaeoides

Convolvulus is a genus of about 200 to 250 species of flowering plants in the bindweed family Convolvulaceae, with a cosmopolitan distribution; the Plants of the World Online database currently accepts 227 species and 12 natural hybrids. Common names include bindweed and morning glory; both are names shared with other closely related genera.

Convolvulus althaeoides

Mallow bindweed | Convolvulus althaeoides

Convolvulus cataonnicus is a trailing to climbing member of the Convolvulaceae that can form well-branched mats or scramble up supports. Its foliage ranges from green to silver-grey and it flowers from June to September. It favours full sun in loam-based, neutral, well-drained soils and suits a south-facing, sheltered position. The plant carries an H4 (average) hardiness rating for the UK and works equally as ground cover, on a trellis or at the front of a border.

Convolvulus cataonnicus is a trailing or climbing Convolvulaceae with green to silver-grey foliage, flowering June to September.

Convolvulus cataonnicus

Convolvulus cataonnicus | Trailing Convolvulus for Trellis

Convolvulus cneorum, commonly called Silverbush, is a Mediterranean shrub in the Convolvulaceae. It flowers in the UK from June to September. Plant it in full sun or partial shade on well-drained, sandy or rocky soil with neutral to alkaline pH and dry to medium moisture. It suits south-facing positions and tolerates both exposed and sheltered sites.

Silverbush (Convolvulus cneorum) is a Mediterranean shrub that flowers June to September and suits well-drained, south-facing, coastal and rock garden.

https://en.wikipedia.org/wiki/Convolvulus_cneorum

Convolvulus cneorum

Silverbush | Convolvulus cneorum

Convolvulus mauritanicus is a species in the bindweed family Convolvulaceae, placed within the genus Convolvulus. It is notable for its defined flowering window in the UK, producing blooms from June to September. Identification and selection are best done when the plant is in flower so you can confirm floral form. Use supplier labels and local advice to match any specimen to your site conditions.

Convolvulus mauritanicus blooms in the UK from June to September; check supplier notes and view plants in flower before buying.