It needs no trellis support. Silver lace vine is a rapid-growing deciduous vine that displays masses of white flowers summer through fall. Scarlet runner bean is an annual vine. It puts out bright scarlet flowers all summer and will rapidly cover a trellis. It's available in pink and white varieties.
Hyacinth bean is also an annual vine.
Its purplish leaves blend well with its spikes of showy purple or white flowers. It, too, is a rapid grower. Most vines need some kind of support, whether it be a trellis, fence, or wall. But many vines are equally appealing when allowed to cascade down a slope or trail over a retaining wall. They can lend a different look as a ground cover, and many do quite well in containers.