- Home
- Gardening
- Garden Care
- Westland Hydrangea Colourant 500g
Westland Hydrangea Colourant 500g
Westland Hydrangea Colourant is a salt which changes pink hydrangea varieties to blue. It also changes darker pink varieties to mauve blue. This colourant easily absorbs nutrients, as well as nitrogen for greener leaves.
When using Westland Hydrangea Colourant, obtain the best results with plants growing in acid soils. Use ericaceous compost where the soil is naturally alkaline and alternatively, double the application rate.
- A combination of iron and aluminium salts
- Acidifies the soil to produce blue flowers
- Potassium to boost flowering
Customer reviews
Click and Collect
Click and Collect available on all products, just select the "Store pickup" option in your basket before you checkout.
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 £75, and free for all orders of £75 and above.
Local Delivery
We're able to deliver locally (7 mile radius) for some items, £15 for orders up to £50, £10 for orders from £50 up to £100, and free for orders above £100.