R&W Lindfield's Quarterly Book 24th Edition | Page 12

Hydrangeas explained Ever wonder why there are different coloured hydrangeas? The beauty about the Hydrangea Macrophylla (aka mopheads and lacecaps) is that you have the ability to control the colour which is determined by the acidity/alkalinity of the soil. Put it simply, the more acidic your soil is (pH 5 or less), the bluer your hydrangeas will be. On the opposite end of the spectrum, by making the soil more alkaline (climbing towards pH 7+), your hydrangeas will turn to a mauve/pink hue. Now is the perfect time to prepare your hydrangeas for Summer. Head to Bunnings and get your hands on Manutec’s Hydrangea Fertilisers for both blue and pink hues, or Yates’ Liquid Sulfur Soil Acidifier only to enhance blue hydrangeas. Remember to keep treating the soil, it may take a few months to get any change in colour!