What are the best blue or pink Hydrangeas?
The best of the best hydrangeas according to respected plantsman Michael A. Dirr (hydrangeas in the blue or pink range of color tints, depending on the soil's pH):
Hydrangea macrophylla ‘Dooley’, pink to rich blue, cold hardy to -11°; mildew susceptible; robust, 6'; shade garden worthy after two years; re-growth with abundant flower buds after some dieback .
H. 'Endless Summer', 'Decatur blue', David Ramsey', 'Oak Hill', 'Penny Mac' - Remontant types; quite similar; intensely researched at the U. Of Georgia; flower on new growth; foliage flat medium green; moderate mildew susceptibility; 3 to 5 feet high and wide; suffered cold damage in trials but the new shoots develop flower buds and fully expressed inflorescences; all five laden with flowers.
H. 'Generale Vicomtesse de Vibraye' - opening soft cream-yellow, finally pink to blue; entire to serrated sepals; 8 feet high; one of the early French hybrids; stems spotted (speckled) wine-red; medium green leaves; mildew susceptible, shade garden grown; tested after two years, strong growth with no dieback; abundant flowers.
H. 'Nikko Blue'- Popular true remontant nature after it froze to the ground in trials.
Hydrangea macrophylla ‘Mini Penny’. For more information visit this mini penny information page.
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- Courtesy of NYBG Plant Information Service