Answer: Wisteria floribunda `Issai Perfect` is a white flowering wisteria; Wisteria floribunda 'Issai' is the purple flowering wisteria. If your wisteria was marked 'Issai Perfection' (white), it will produce white blooms. I think the care tag was simply to provide general care tips for Wisteria floribunda 'Issai' and not a true identification of your plants' bloom. Yours is 'Issai Perfection', which produces white blooms. I think you'll be happy with your choice. Enjoy!
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