How a Fruit in Your Garden Gets Its Shiny Blue Color – The New York Times

Big, leafy viburnum bushes have lined yards in the United States and Europe for decades their domes of blossoms have an understated attractiveness. But once the flowers of the Viburnum tinus plant fade, the shrub makes something unusual: shiny, brilliantly blue fruit.
Scientists had noticed that pigments related to those in blueberries exist in viburnum fruit, and assumed that this must be the source of their odd hue. Blue fruit, after all, is rare. But researchers reported last week in Current…

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