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Products > Distictis 'Rivers'   Distictis 'Rivers' - Royal Trumpet Vine     [2nd Image] Habit and Cultural Information 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 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.  Information on this page is based on research conducted in our nursery library, from online sources, as well as from observations made of this plant as it grows in our nursery, in the nursery's garden and in other gardens where we have observed it. We also will incorporate comments received from others and welcome getting feedback of any kind from those who have additional information, particularly if this information is contrary to what we have written or includes additional cultural tips would aid others in growing Distictis 'Rivers'.     [MORE INFO]