Apply to hydrangeas to change flowers to pink colour. Also deepens existing pink colouring and raises soil pH. Supplies calcium carbonate, which is needed to assist changing blue and purple flowers to pink and to maintain vibrant pink colouring.
An easy to use liquid formulation, Yates Hydrangea Pinking Liquid Lime Dolomite is easy to dilute and apply. It also contains magnesium for healthy green foliage. No handling of dusty powders.
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
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