Ohio
State University Plant Dictionary

Scientific Name:
Hydrangea paniculata 'Tardiva'
Family:
Tardiva Late Hydrangea
Family:
Hydrangeaceae
Description:
'Tardiva' is becoming more common as a shrub cultivar of Late Hydrangea, while the more famous 'Grandiflora' (or Pee Gee Hydrangea) can be found in either shrub form or tree-standard form.Black & White version for printing