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(Inc VAT) Each pack£6.92 £4.44 (Inc VAT) each pack
Westland Hydrangea Colourant is a salt which changes pink hydrangea varieties to blue. It also changes darker pink varieties to mauve blue.
Out of stock
Westland Hydrangea Colourant can 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. This colourant easily absorbs nutrients, as well as nitrogen for greener leaves. Westland Hydrangea colorant is a Salt which changes the colour of pale pink Hydrangea varieties to blue and darker pink varieties to mauve blue.
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