Please note that some of these have grown too tall and will need to be freshly trimmed to fit into the boxes. This is not a problem as it will actually promote further branching.
The shade of the Kirsten flowers vary significantly depending on your soil acidity. As the photos depict, they can range from dark pink mophead fowers to more a more medium-pink flowers. They turn purple in a more acidic soil.
Hydrangeas vary in color depending on the pH of the soil.