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Dye With Logwood

(Haematoxylum campechianum)

Logwood comes from a tree native to the West Indies and the Yucatan Peninsula.

With alum it gives purple to blue purple, however do not use cream of tartar in the mordanting process as it will turn the purple colour to brown.

Logwood contains natural tannin and is therefore effective on both protein and cellulose fibres. It is especially beautiful on silk.


Extract the dye:-

  • Calculate 100g  logwood chips for every 100g mordanted fibre to achieve a dark violet.
  • 50g for lilacs
  • 20g for lavender
  • Cover logwood chips with boiling water and leave to soak overnight.
  • The following day strain the woodchips through a cheesecloth.
  • Fill the dye bucket (dyebath) with sufficient water to cover the fibre to be dyed and add the extracted liquid and stir well.
  • Add the pre-wetted mordanted fibre and stir. 
  • Raise the temperature gently to 180 degrees F – rotating fibre from time to time.
  • Hold at this temperature for about 45 minutes.
  • Turn off heat and leave to cool.
  • Rinse. Wash Rinse.
  • Dry out of direct sunlight.


  • You only need a very small amount of logwood extract as it is very strong.
  • Calculate 2 – 5% of extract WOF depending on the shade of colour you desire.
  • Make a paste with warm water.
  • Fill your dye bucket (dyebath) with sufficient water to cover the fibre to be dyed.
  • Add the paste and stir well
  • Add the pre-wetted and mordanted fibre – stir again.
  • Bring to a gentle simmer and hold at that temperature for 45 minutes.
  • Leave to cool.
  • Rinse. Wash. Rinse.
  • Leave to cool out of direct sunlight.

Logwood chips £4.00

Logwood extract   £9.00



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