A Plant Heritage National Collection

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  5. macrophylla ‘Shamrock’ (Tetsu Hirasawa)

Species & Cultivars

macrophylla ‘Shamrock’ (Tetsu Hirasawa)
Synonyms:
Origins:
Awards:
Height & Width:

Bed D: Plant 15

Free flowering, with large pink, double sterile florets, that darken with age to red, or violet or multicoloured on acid soils.  It originated from an open-pollination in 1998 of a unnamed selection of Hydrangea macrophylla, as the female, or seed, parent with an unknown selection of Hydrangea macrophylla, as the male, or pollen, parent. The cultivar ‘Shamrock’ was discovered and selected by the Inventor as a single plant within the progeny of the stated open-pollination in a controlled environment in Varengeville Sur Mer,France.

US Patent PP16223, January 31, 2006

UK Plant Finder: Not listed.

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