We will, we will rock you... with the Colour-Changing 'Glam Rock' Hydrangeas in 9cm Pots. Stunningly eye-catching hydrangea variety will change colour depending on the soil pH Robust and hardy shrub that makes a great addition to borders or patio containers Grow in sun or semi-shade and it could reach a height and spread of up to 120cm Winner of a Best New Plant award at The Grower of the Year Awards 2014 Neutral to alkaline soil (pH 7 to 14) - flowers will be pinkish red in hue Acidic soil (pH less than 7) - flowers will to be more purple and blue colours Supplied in 9cm pots Choose from 2 or 4 potted plants See Full Details for product specifications Buying Options: 9.99 pounds instead of 17.99 pounds for 2 x 9cm Potted Plants - save 44% 17.99 pounds instead of 29.99 pounds for 4 x 9cm Potted Plants - save 40%