Westland Hydrangea Colourant 500g
Hydrangea Colourant is a salt which changes the colour of pale pink hydrangea varieties to blue and darker pink varieties to mauve blue.
- A combination of iron & aluminium salts
- Acidifies the soil to produce blue flowers
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Fast UK Delivery
We aim to provide fast and efficient delivery on most packages to mainland UK addresses, there are some areas where we will need to charge slightly extra due to postage costs such as Highlands & Islands, Southern Ireland & Isle of Man.
Delivery is charged at a flat rate of £5.95 for all orders below £50, and free for all orders of £50 and above.