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Vitax Hydrangea Colourant - 250g

Vitax Hydrangea Colourant - 250g

£2.99
Hydrangeas are naturally pink, but where the soil contains iron or aluminium salts they will produce blue flowers . Where neither...

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Hydrangeas are naturally pink, but where the soil contains iron or aluminium salts they will produce blue flowers . Where neither is naturally available and you want blue flowers, the Vitax Colourant is the solution.
 
Pale pink varieties tend to blue best, with the darker pink varieties producing mauve/blue flowers. Mix the colourant with the soil when planting pot or outdoor hydrangeas or dissolve in water and apply

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