Commelina tuberosa
A mat-forming perennial with narrow green leaves and green flowers, streaked dark purple-blue.
Commelina tuberosa ‘Alba’
A mat-forming tuberous perennial with narrow green leaves and pure white flowers.
Commelina tuberosa Coelestis Group
A vigorous, clump-forming, tuberous perennial with green leaves and freely produced vivid blue flowers.
Convallaria majalis
A tough, creeping perennial with dark green foliage and stems of strongly scented, waxy white bell-shaped flowers.
Convallaria majalis ‘Albostriata’
A creeping perennial with elegant, mid-green leaves striped white and stems of strongly scented, waxy white bell-shaped flowers.
Convallaria majalis ‘Fortin’s Giant’
A creeping perennial with broad dark green leaves and stems of strongly scented, waxy white bell-shaped flowers.
Convallaria majalis ‘Prolificans’
A creeping perennial with dark green leaves and stems of strongly scented, waxy white bell-shaped, slightly malformed flowers,.
Convallaria majalis var. rosea
A tough, creeping perennial with dark green foliage and stems of strongly scented, waxy mauve-pink, bell-shaped flowers.
Convolvulus althaeoides
A climbing or trailing perennial with heart-shaped slivery green leaves. Wide funnel-shaped, clear pink flowers.
Convolvulus althaeoides ssp. tenuissimus
A climbing or trailing perennial with heart-shaped, finely divided, slivery green leaves covered with soft silvery hairs. Wide funnel-shaped, clear pink flowers.
Convolvulus lineatus
A woody-based perennial with funnel-shaped pink flowers in summer.
Convolvulus sabatius
A trailing, woody based perennial with mid-green leaves. Clusters of funnel-shaped, pale to deep lavender flowers.