We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Vitax Hydrangea Colourant 250g
For changing pink hydrangeas to blue
Vitax Hydrangea Colourant is ideal for changing pink hydrangeas to blue. This colourant releases iron and aluminium salts into the soil which depending on the variety will turn pale pink hydrangeas blue and darker pink hydranges blue or mauve.
Key Information:
Advice & Tips:
Where to use | Beds, Borders, Pots, Containers & Tubs |
When to use | During planting and as a weekly topdressing during the growing season |
Area | Application Rate |
When potting/planting | Mix with the soil in the proportion of 1 part to 30 parts of soil (250g per 7.5L) |
During growth | Water weekly with 30g colourant per 5L water |