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Westland Hydrangea Colourant 500G

Westland Hydrangea Colourant 500G

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£5.99
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£5.99
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Hydrangea Colourant is a salt which changes the colour of pale pink hydrangea varieties to blue and darker pink varieties to mauve blue.
  • A combination of iron & aluminium salts
  • Acidifies the soil to produce blue flowers