Apply to hydrangeas to change flowers to pink colour. Also deepens existing pink colouring and raises soil pH. Delivers the required nutrients to assist changing blue and purple flowers to pink and to maintain vibrant pink colouring. An easy to use liquid formulation, Yates Hydrangea Pinking Tonic is easy to dilute and apply. It also contains magnesium for healthy green foliage.  No handling of dusty powders.

Features

  • Soil pH affects the colour of hydrangea flowers
  • Acidic soil (pH 4.5-5.5) will produce blue flowers
  • Less acidic soil (pH 5.5 to 7) will produce pale, purplish flowers
  • Alkaline soil (pH 7 to 8.5) will turn flowers pink
  • To make soil more acidic, use Yates Soil Acidifier


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