Panicle Hydrangea 'Little Spooky' White - Hardy plantDe panicle hydrangea 'Little Spooky' (Hydrangea paniculata) looks ghostly. with its profusion of large, round plumes of flowers. In a radiant, creamy white! The sturdy dwarf bush is ideal for planting in beds. 'Little Spooky' blooms from summer to autumn. Pruning is not necessary because the shrub never gets very large. However, pruning every two years is sensible and good for a richer bloom. In which case, prune off all the branches to the base.