Shrub for sun, mostly sun, mostly shade, dappled shade in zone 4b-9a. White, pink flowers. Up to 6 x 4 feet Also known as Kiyosumi Florist's Hydrangea, Hydrangea macrophylla 'Kiyosumi', Hydrangea macrophylla ssp. serrata 'Kiyosumi', Kiyosumi Japanese H