Vitax Hydrangea Colourant

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Product Overview Vitax Hydrangea Colourant. Hydrangeas growing in the presence of iron or aluminium salts which will tend to change colour and produce blue flowers. Variant: 250g. Weight: 454g. Product code: 5HC250. Key Features Hydrangeas growing in the presence of iron or aluminium salts which will tend to change colour and produce blue flowers Varieties naturally pale pink tend to blue best, the darker pink varieties turning to mauve/blue Best results are obtained with plants growing in acid soil Available in pack size: 250g Weight: 454g Product code: 5HC250 Show more