Hydrangea Colourant

€7,70
Availability: 4 In Stock

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 and aluminium salts
  • Acidifies the soil to produce blue flowers
  • 500g
Description

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 and aluminium salts
  • Acidifies the soil to produce blue flowers
  • 500g
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Plants
Manor Stone