Hibertia scandens (Snake Vine) has beautiful bright yellow flowers, is quick growing and very hardy.

Type and Habit:   Evergreen, fast growing, Australian Native twining climber often used as a groundcover
Average Height:   3-5m.
Soil:   Wide range of well drained soils.
Aspect:   Full sun to part shade, salt and moderately drought tolerant.
Foliage:   Shiny thick dark green leaves up to 8cm pruning will thicken growth and improve its value as a climber.
Flowers:   Lovely, large five petalled yellow flowers with yellow stamens mainly in spring with spot flowering afterwards
Uses:  Climber on fences, pergolas and trellises, groundcover, coastal gardens.
Features:  Beautiful, bright yellow flowers, quick growing, hardy