QuestionsHow to growTrees and ShrubsSoilHydrangea colours 0 Vote Up Vote Down Pat Cummins asked 14 years ago Are there any types of hydrangea, besides white ones, that maintain the same colour irrespective of whether the soil is acid or alkaline? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Hydrangea ‘Preziosa’ stays pink and deepens to red. Some are better blues, or reds, but they all change colour with soil pH.