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| Category: Vine |
| Family: Bignoniaceae (Bignonias) |
| Origin: Mexico (North America) |
| Evergreen: Yes |
| Flower Color: Violet |
| Bloomtime: Spring/Summer |
| Synonyms: [D.'Mrs. Rivers', D. riversii, Amphilophium] |
| Parentage: (Distictis buccinatoria x D. laxiflora) |
| Height: Climbing (Vine) |
| Width: Spreading |
| Exposure: Full Sun |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 20-25° F |
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Distictis 'Rivers' (Royal Trumpet Vine) - This is a fast growing evergreen vine reaching 30 feet tall and wide. Like the Red Trumpet Vine, one of its parents, it has green somewhat-leathery 4 inch long leaves with tendrils that form disks so it can climb fences and structures. Showy lavender flowers fade to light lavender throughout the warm months. Plant in full sun to part shade and water occasionally in the summer. It looks a lot like D. laxiflora, but has a slightly more vigorous look about it with slightly larger blooms and leaves. It is hardy to 20-25 degrees F. When it is well-established, it should regenerate from the roots if it freezes down to the ground. Violet trumpet flowers grow 5 inches long and bloom throughout the warmer months. Plant in full sun to part shade, water occasionally in the summer. This plant of hybrid origin is the result of the cross between two Mexican vines that both were known as species in the genus Distictis but the current genus for both, according to The Plant List, the collaborative authoritative listing by Kew Botanic Garden and Missouri Botanic Garden, is Amphilophium which would likewise make this hybrid a Amphilophium. We will continue to list this plant as Distictis 'Rivers' until such time as this name change has wider acceptance.
The information displayed on this page about Distictis 'Rivers' is based on the research we conducted about it in our nursery horticultural library as well as from information provided by reliable online resources. We also include some of our own observations made about this plant as it grows in the nursery gardens and other gardens that we have visited, as well how the crops have performed in the containers in our nursery field. We will also incorporate comments that we have received from others and welcome hearing from anyone with additional information about this plant, particularly if it includes cultural information that will aid others to better grow it.
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