Wisteria Flower Colors. The flowers grow in small clusters that hang down from the tips of its The tunnel has wisteria of varying colors, from white to mauve to dark purple. Wisterias require high maintenance and usually begin flowering within three to five years of planting.
The wild wisteria is almost always a light purple color, but recent crossbreeding allows you to enjoy a wider range of colors.
Wisteria is a genus of flowering plants in the pea family, Fabaceae, that includes ten species of woody climbing vines native to the Eastern United States and to China, Korea, and Japan.
Here, thread first colors that match the colors closest to the knot to continue the ombre effect. Plant profile of Japanese wisteria, Wisteria floribunda 'Multijuga', with detailed growing advice and planting partners - from BBC Gardeners' World Magazine. They are exactly what I was looking for.