Hydrangea treeforms.

Hydrangea paniculata 'Phantom'
Hydrangea paniculata 'Quickfire'
Hydrangea paniculata 'Vanilla Strawberry'
Hydrangea paniculata 'Limelight'
Hydrangea paniculata 'Little Lime'
Hydrangea paniculata 'Grandiflora'
all the cutlivars listed above are available in treeform large flowers and many colours to choose from.