Yates Hydrangea Blueing Liquid Aluminium Sulphate 500ml
- Apply to hydrangeas to produce and deepen blue coloured flowers
- Supplies aluminium, which is needed to produce intense blue-coloured hydrangea flowers.
- An easy to use liquid formulation, Yates Hydrangea Blueing Tonic is easy to dilute and apply with no handling of dusty powders.
- Soil pH affects the colour of hydrangea flowers.