I don’t know how long Winter Jasmine has been commercially available, but 40 years ago when my mom had a retail nursery in Newberg, it was one of the top sellers. It’s quite understandable when you consider that it blooms in the winter and works as either a vine or ground cover.
As a shrub, it typically grows in a sprawling mound to 4′ tall with arching branches, and spreads by trailing branches that root as they go along the ground. As a vine, it usually grows to 10-15′.
Bright yellow flowers appear before the leaves in late winter and make for wonderful early color for the garden. Give it full sun to part shade, fast draining soil, and fertilize with slow release fertilizer every April. Hardy to -20°F.