Category: Dye Bath Processes

16 Sep

Alder Tree Cone Dye

Amelia Hoskins / Dye Bath Processes, Plant Dye / / 0 Comments

Alder cones in Exeter

Cones form on lower branches of the alder tree, first greenish, changing through to brown by late summer. Usually reachable just above head height.  Often seen laying on grass around the base of the tree, clumped on sprigs.

They have good keeping qualities when box full collected.

Produces a pale earthy beige; very useful for painting on to.

Alder Cone dye result on Habotai silk

15 Sep

Walnut Husks Dyed Silk

Amelia Hoskins / Dye Bath Processes, Plant Dye / / 0 Comments

Walnut Husks Dye Process

  • Walnut husks were soaked for several days before boiling up and simmering until liquid was very dark brown.
  • Remove husks and decant liquid to bowl.
  • Add wet silk pieces. I used Ahimsa silk.
  • Agitate frequently then soak overnight
  • Silk takes up the brown dye bath quickly but keep turning and agitating occasionally while soaking. (I don't boil Ahimsa silk as it would roughen surface) Soaking is adequate for obtaining a reasonable colour.
  • A secondary dying of another piece of Ahimsa silk produced a lighter shade of the brown.

There is a lot of pigment left in the dye bath which can be stored in jars or used for additional fabrics.  Fill to brim to avoid mould forming. It could also be used to add to jars of cream/gold dyes to strengthen tone.  At this stage it would be good to investigate what might be added to the bath, to change the colour of what pigment is left.  I was tempted to add some madder dyestuff for a dark red (purchased, not foraged), and this remains to be tested.

Silk Samples of Gold Variations

Walnut dyed silk is the darkest obtained so far of the beige and golds range, turning out to be a light coffee brown/bronze colour.  It might have gone darker still on Habotai silk.  The Ahimsa silk used, is cotton-like in feel, thicker, and although absorbs well, slightly slower.

Walnut Tree

Walnuts were found on the ground where they had had been decaying under a walnut tree on Bossington Green, Porlock, North Somerset.

21 Aug

Logwood Dyed Silk

Amelia Hoskins / Dye Bath Processes, Plant Dye / / 0 Comments

Experimental shibori and batik on Logwood dyed silk - 1st Trial

Logwood (in bought dried form) was found to easily produce a very deep violet dye on Ahimsa silk.  Note: Less dye stuff would produce lilac and mauves.  Shibori stitching outlining butterfly showed clearly in white where dye penetration was resisted.

Batik wax originally painted on the silk was overcome by dye, remaining strong aubergine.  To create a contrast to bring out shapes, I outlined in transparent gutta the shapes intended in the design (to be coloured). I used craft 'fabric bleach' to brush on some areas, such as banana leaves.  A second steaming produced the intended shapes in a lighter aubergine, which would be interesting to explore further.

Colour added to simple images copied from a textile, as experiment.  This piece was unfortunately burnt in steaming (water pot went dry), and was cut into strips and used in another garment.

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2nd Batik Experiment

Double stitched outlines of images, as shibori test.  Batik wax painted quite heavily onto ahimsa silk, with daubing stiff paint brush, to create a cellular texture.  The shibori threads were pulled tight before dying.  Washing out, the wax had held.  Ironed over wax several times with strong brown paper to absorb wax, then rubbing off the bees wax in warm soapy water.  Texture remained to start painting on.

2nd Trial result produced a pleasant textured background to overpaint on.  Fabrics were chosen to coordinate, and use as a colour guide.

Rectangular design was a simple test with the batik, creating a usable textured background to over painting with brighter colours.  This rectangle was used in a dress Butterflies and Pansies  panel front.  Flowers were also embroidered.

21 Aug

Mullein Dyed Silk

Amelia Hoskins / Dye Bath Processes, Plant Dye / / 0 Comments

Mullein gold colour is not from the flowers, but the LEAVES.

Soak before, and simmer mullein leaves to release colour



Boiled leaves removed. Silk added to brown dye.



Ahimsa Silk absorbs mullein leaf dye well. It dries much lighter than it first appears.



The longer silk is left in a strong dye bath the more colour it may absorb, for a stronger and deeper colour.  This looked dark, and I washed it out, but it could have been darker if left over night.  A small piece of silk will not be able to absorb all the dye, so a secondary piece can be added later.

I may not have used a mordant (such as alum), as colour dried light gold beige.  A good neutral background for painting on.

Many plants produce a dye for cream, beige, or gold;  which is very useful background for silk painting on, rather than stark white. Intensity varies.  More antique tone can be achieved by adding ferrous water to the dye bath. (iron - made from rusty nail water). Other metals could be experimented with.  Copper will have an effect.  Making the dye bath in copper pan has an effect.

14 Aug

St-Johns Wort Plant Collecting and Dye Bath

Amelia Hoskins / Dye Bath Processes, Dyes, Plant Dye / / 0 Comments

Foraging along the Tarka Trail

Yellow Flowers of St. John's Wort are found along grass verges. Many changed to orange seed buds, which helps identify them from other yellow flowers and which may be attributable to the golden colour result.

Collecting Dye Plants (St. Johns Wort in basket) along a decommissioned rail track Barnstaple to Bideford: my 10 mile foraging route using Jenny Dean's plant spotter book.   Late summer finds many of the traditional dye plants along grass verges.

St Johns Wort - Dye Bath Process

  • Soak flower tops and seed buds overnight in rain water. I use pond water.
  • Boil up and simmer for an hour. Press fibres with potato masher. Remove from vessel.
  • When cool enough not to roughen silk, add and soak silk, stirring occasionally.
  • Colour appears soon, but leave overnight to absorb dye colour fully.
  • First silk takes most dye pigment.

1st Woad Dye Session

2nd Woad Dye Session

  • Most pigment its taken up with 1st session, but there is always some left.  Remove 1st silk piece.
  • Add dyestuff again and heat and simmer dye bath for 15 mins.
  • When cooler than hand hot, add 2nd piece of silk and leave overnight, to absorb all dye pigment.
  • Second soak actually used up remainder of dye pigment leaving water clear, with paler silk result.

3rd Dye Session- Iron Modifier

Use remaining dye liquid to add iron (ferrous sulphate) for a greyer or greener result.  Colour mix is involved: cream dyes will turn pale grey, the stronger orangey St. John's Wort dye produced green-grey. Other dye baths may produce a pale grey/dull brown results.  Iron can be added by a little rusty water, made by soaking rusty nails in a jar. Small amount needed to tip the colour. Avoid using too much as iron can weaken silk fibres.

Hand Dyed Silk Samples

  • LEFT:     Rosemary - St. Johns Wort Light/St. Johns Wort strong gold - Comfrey Light - Comfrey Dark
  • RIGHT:  Top left St. Johns Wort gold, Green/St. Johns Wort iron modified contrasting with the other natural dye results.
Images copyright Amelia Jane Hoskins Please email for use permission.