A Plant Heritage National Collection

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Species & Cultivars

Blue Knight * (L) (Ichie; Toyokazu, Kakegawa-city, Shizuoka, JP) 2009
Height & Width:

A new cultivar characterized by its early blooming habit, its ability to re-bloom on new growth after deadheading, its consistently well-formed, lacecap type inflorescences with large, double, rounded shaped sterile flowers that are light to dark blue under acidic conditions and bright pink under alkaline conditions, its deep green glossy foliage, and its strong stems.  It originated from a cross made in the Inventor’s nursery, in June 1999 inShizuoka,Japanbetween two unpatented proprietary selections of Hydrangea macrophylla; the female parent designated as H3-67 and the male parent designated as H3-4.

USPatent PP21078, June 22, 2010

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