Vitax Hydrangea Colourant 250g
€5.50 “Price excl. VAT: €4.47”
For changing pink hydrangeas to blue
Hydrangeas growing in the presence of iron or aluminium salts will tend to change colour and produce blue flowers. Varieties naturally pale pink tend to blue best, the darker pink varieties turning to mauve/blue. Best results are obtained with plants growing in acid soil.
- Easy to use powder
- Use for pot or container grown hydrangeas
- Also suitable for outdoor grown hydrangeas