Wisteria frutescens íNiveaí is the white flowered form of our native American wisteria. Like íAmethyst Fallsí it is NOT invasive. White blooms in early May are fragrant. Wonderful native vine, quite rare even so. We donít understand why gardeners set free W. floribunda to eat their birthright but donít grow this restrained native. Itís in the Constitution I suppose. Deciduous, for sun, in zones 5 - 9.