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Hydrangea Colourant 500g
€7.99
Westland Hydrangea Colourant – 500g
Westland Hydrangea Colourant is a salt which changes pink hydrangeas varieties to blue and darker pink varieties to mauve blue. It easily absorbs nutrients as well as nitrogen for greener leaves.
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Description
Westland Hydrangea Colourant- 500g
Westland Hydrangea Colourant is a salt which changes pink hydrangeas varieties to blue and darker pink varieties to mauve blue. It easily absorbs nutrients as well as nitrogen for greener leaves.
When using Westland Hydrangea Colourant best results are obtained with plants growing in acid soils. Where the soil is naturally alkaline use ericaceous compost instead, alternatively double the application rate.
- A combination of iron & aluminium salts
- Acidifies the soil to produce blue flowers
- Potassium to boost flowering
Why Use
To help rooting and establishment of cuttings
What to Expect
Pink Hydrangeas will produce blue flowers and darker pink Hydrangeas will be mauve. Some Hydrangeas are bred to show pink flowers in all conditions — please check the plant label.
When to Use
April to September
How to Use
Established shrubs
Mix the Hydrangea Colourant into the soil at the rate of 50g per square metre.
Every 7 days during the growing season dissolve 50g of hydrangea colourant in 5 litres of water and apply to the area of soil covered by the shrub.
Do not apply directly on plant foliage.
Container-grown Hydrangeas
When potting, mix the Hydrangea Colourant into the compost at the rate of 50g per 5 litres of compost.
Every 7 days during the growing season dissolve 50g of hydrangea colourant in 5 litres of water and water the soil round the plant.
Best results are obtained with plants growing in acid soils. Where the soil is naturally alkaline use an Ericaceous compost (such as John Innes Ericaceous Compost or Gro-Sure Ericaceous Compost) instead or double the application rate
Frequently Asked Questions
Q. Will my pets or wildlife be attracted to this product?
A. Hydrangea Colourant doesn’t contain any organic elements so shouldn’t be attractive to animals.
Safety Information
WARNING: Causes Serious Eye Damage
Contains Aluminium Sulfate Hexadecahydrate CAS No. 10043-01-3
- Wear protective gloves/protective clothing/eye protection/face protection
- Keep out of reach of children
If in Eyes:
- Rinse cautiously with water for several minutes
- Remove contact lenses, if present and easy to do. Continue rinsing
- Immediately call a Poison Centre or doctor/physician
