Hydrangea macrophylla ssp. serrata ‘Grayswood’
Imported from Japan by Mr Chambers of Grayswood Hill, UK, in 1888.
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.
Colour in neutral soil: Pink fertile flowers surrounded by white or pink sepals
Colour in acidic soil with Al present: Blue fertile flowers surrounded by white sepals