These Mexican natives are spectacular vines for milder climates, reaching heights of 20–30 ft. Glossy leaves consist of two leaflets with a central, three-part tendril that plants use for climbing. All bear long-lasting, trumpet-shaped flowers. Plant in good, well-drained soil; provide sturdy support, since growth is dense and heavy. Prune in winter to thin stems and control size.
Oblong to oval leaflets 2–4 in. long. Clusters of 4-in.-long, yellow-throated flowers in orange-red fading to bluish red; blossoms stand out well from the vine. Blooms in bursts throughout the year when the weather warms. Give a protected site in the interior valleys of California.Distictis ‘Rivers’
Plants sold under this name are nearly a match for Distictis buccinatoria in vigor and foliage and have flowers of about the same size that are mauve to purple with a yellow to orange throat. Sometimes labeled D. riversii.
These annual and perennial plants are grown as herbal remedies and for culinary use.
The hardier species are native to cold-winter regions of Europe and Asia, where they bloom with winter...