Zwar habe ich Pixie nicht aber dafür habe ich "An illustrated Encylopedia of Clematis" von Mary Toomey und Everett Leeds und da steht:
Origin: raised by Graham Hutchins of Country Park Nursery, Essex, England.
Parentage and year: C Princess x C. marmoraria, 1986
Habit: Half-hardy to hardy, evergreen, trailing shrubHeight: 46-61 cm
Description: The single, pale yellow-green flowers, borne in small clusters of five or more from the leaf axils, are at first bell shaped but open falt as they mature and mare 30-35 mm across. The six, sometimes as few as five or as many as eight, tepals are oval to somewhat longer than broad, have rounded tips, and are smooth above and hairy beneath. The filaments are pale green with cream anthers. Only male flowers are produced. Much divided leaves are thick and firm. Leaflets are deeply lobed with each lobe terminating in a short, blunt ppint.
Pruning group: 1
Flowering period: In the garden, early spring to midspring; under glass, sometimes earlier.
Cultivation: Requires sharp draining compost. Can be planted in sun or partial shade.
Recommended use: Grow in a cold greenhouse or conservatory, or in an alpine garden if scheltered from frost.
Zones: 7-9
VG - Beate