Hydrangea serrata ‘Grayswood’ is a large shrub which benefits from some sun.
Inflorescence: Lacecap, 180mm across. Sepals invert towards the end of the season to show a deep crimson colour on the reverse sides.
Imported from Japan by Mr Chambers of Grayswood Hill, UK, in 1888.
Zones: 6 to 9
Size: Large (to 2m).
Color in neutral soil:
Pink fertile flowers surrounded by white or pink sepals
Color in acidic soil with AI present:
Blue fertile flowers surrounded by white sepals
Ray florets: 3, 4 or 5 sepals, dentate, entire, not overlapping, 45mm diam.
Leaves: Longish, acuminate, yellowish-green when young. 160mm l x 70mm w.