Panicle Hydrangea 'Hercules' White - Hardy plantAn absolute giant! The panicle hydrangea 'Hercules' (Hydrangea paniculata) will create a striking picture in your garden with its huge plumes of flowers. Green white with a dash of pink. The 'Hercules' flowers abundantly with extremely large, full plumes from summer to autumn. Pruning is not necessary, unless the bush becomes too large. In which case, prune off all the branches to the base. Plant the hydrangea in full sun or partial shade. Water the