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Winterbourne Dye Project Blog

December

17/12/2015

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The last dye day of our year-long project

Four of us gathered to see what colours we would obtain on this dark December day!  We had birch bark, ginkgo biloba bark and privet, all of which had been soaked for at least 2 weeks and simmered for a couple of hours.  The birch bark had been heated and left to cool before being heated again.
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The privet was chopped up with secateurs and the birch and ginko bark stripped with a knife:
The birch bark produced quite pale but pretty pink colours - apricot pink without any modification, slightly more pink with washing soda - except the grey which was the result of the iron modifier.  The ginkgo was fairly nondescript and probably not worth trying again and the privet produced good strong golds, yellows and greens
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We will be overdyeing one skein from each dye bath with woad (blue) and one with madder (red), which will add to the range of colour, and one skein of each is being tested for light-fastness.

All the results of our experiments will be displayed at an exhibition in the Coach House Gallery, Winterbourne House and Garden 1-25 April 2016
where we also hope to have spinning wheels and a tapestry weaving loom set up for people to try.

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November

22/11/2015

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Autumn leaves seemed an appropriate start for

this month's dyeing experiments and the gardeners at Winterbourne had supplied us with a bag of fallen leaves of Liquidambar Styraciflua.  Sadly, I don't have a photograph of it in all its glory - only of the leaves ready to be soaked in a bucket or water, where they stayed for about 4 weeks.
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Our second dye bath was Eucalyptus leaves, which had also been soaking (after being chopped up) as an initial 'cooking' of about an hour had yielded not colour in the water at all.  The kitchen smelled lovely during the first cooking as the eucalyptus oil evaporated!
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Thirdly, we had Garrya Eliptica, which had been soaking for just 48 hours before being simmered:
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Here are the dyed skeins with, starting on the left, Eucalyptus, Garrya and Liquidambar
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Eucalyptus, Garrya, Liquidambar
... and here are the skeins arranged according to their treatment.  In each group of three the Eucalyptus is on the left, the Garrya in the centre and the Liquidambar on the right.  Skeins 1 - 4 are mordanted with alum (see the first post in this blog), No. 1 are the basic colours without any modification, 2 are modified with acid (very little change), 3 are modified with an alkali (washing soda), 4 with iron water and 5 were on an alum mordant.
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... some useful Autumn colours, and the the rich browns from the Liquidambar are particularly good.

December will bring our year of dyeing with plants from Winterbourne to an end and the results will form part of an exhibition there next year.
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October

27/10/2015

 
This month we were delighted to be given some fresh madder roots, grown in one of the greenhouses at Winterbourne.  We also used the roots of flag iris and leaves and twigs of Rhamnus Cathartica or Alder Buckthorn, both growing in the woodland walk.

Madder

Above ground, madder plants are rather straggly with rough, scratchy undersides to the leaves.  These plants are growing in containers in my garden:
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The tops are beginning to die down now but it is the roots that are used for dyeing.  Madder has an extremely long history as a dye plant going back at least to 2000 BC (see J N Liles, The Art and Craft of Natural Dyeing, University of Tennessee Press, Knoxville, 2010) and was used to dye the red coats of British soldiers.

The roots are usually left undisturbed for three years before digging up for use:
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We chopped up the roots, poured boiling water over them and drained them a couple of times as recommended by Jenny Dean (A Heritage of Colour, Search Press, 2014)

(I think I have read somewhere that madder roots contain more than one dye and that washing them in this way helps to obtain clear colours - but I may be quite wrong about this!)

We went on to dye in the usual way but with a few additions.  We split the 'washing' liquor into two and added washing soda to one pot and put a skein in each and left them overnight with no heat.  We also put in an un-mordanted skein and modified one skein with washing soda followed by iron water.  Lastly, most recipes for madder stress that the temperature should be kept below boiling on a gentle simmer, but we let a couple boil for 10 minutes - and these are the results:
(the two right-hand skeins have been boiled)
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Iris root

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I had read that sometimes you can get black from iris roots.  Not this time....
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However, we have left the roots soaking to see if anything happens!

Our third dye this month is the Alder mentioned above:

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Winterbourne
and here are the leaves and twigs ready to be soaked overnight for dyeing:
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I'm not sure I would describe any of the colours as 'sap green' but as all parts of the plant can be used it would be good to try the bark and the berries separately from the leaves.
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So, the madder was definitely this month's star but they do look beautiful all together!

September

30/9/2015

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The walled garden at Winterbourne is looking lovely, especially in the lovely sunshine we have

been having for the past few days.  This weeks plants are all growing in the walled garden.

They are Asters (or Michaelmas daisies)
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Calendula (or English marigolds)
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and Rudbeckias
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As you can see, the results are very similar:  from left to right:  Calendula, Rudbeckia, Aster.  There is, in fact, more difference 'in the flesh' than appears in the photos, with the Asters giving the best colours and, as usual, the addition of an alkali in the form of washing soda, giving the strongest yellows, the iron modifier giving grey-greens and the copper mordant giving green and bronze-green.
These colours are slightly more accurate:
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The first three (Calendula, Rudbeckia, Aster) are modified with iron, the second three (in the same order) are modified with washing soda and the final three are on a copper mordant.
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August

1/9/2015

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August saw us using Goldenrod (Solidago), Valerian and Dahlias (we used dahlias back in March, I think it was, but they were frozen and we wondered if using them fresh, just as they were beginning to fade and be dead-headed, would make any difference).
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Goldenrod
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Valerian
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Dahlias
The goldenrod and valerian were cut up, soaked in cold water overnight then simmered for about an hour.  The dahlia petals, without any other parts of the flowers, were soaked overnight in cold water and, as this produced a lovely red liquid, we heated it only gently and for a shorter length of time.
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the dahlia dyebath before heating

The Results

From left to right:  standard colour, modified with acid, modified with alkali, modified with iron and with a copper (rather than alum) mordant:
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fresh dahlia petals - I wonder whether a different method of extracting the colour would produce more of a pink?
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The fresh dahlias with the frozen ones to the right of each skein. Not very good photographs I'm afraid, the first photograph shows the green shades better but you can see that the frozen dahlia petals produced more brown shades. This is by no means an accurate comparison as the frozen dahlias were also heated for longer...
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Valerian
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Goldenrod
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July Dyeing day

22/7/2015

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As mentioned the other day, Winterbourne hold

the National Collection of Anthemis:

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In case you wonder, as I did, just what it means to hold the National Collection, this is what is written on the notice at Winterbourne:
"The Plant Heritage mission is to encourage the conservation of cultivated plants in the British Isles, preserving our magnificent plant heritage and educating the public in the importance of cultivated plant conservation.  The National Plant Collections Scheme aims to create and maintain 'living libraries' or individual species cared for by dedicated specialist growers, individuals or organisations."

More details of National Collections can be found here:  http://www.nccpg.com/National-Collections.aspx - including a list of endangered plants - important to know if you want to collect dye plants from the wild.


So, this months dye plants are: Anthemis Tinctoria (Dyers' Chamomile) and another Anthemis (with pale yellow flowers - see photo), Nepeta (Catmint) and bracken.


The gardeners had kindly collected the two different lots of Anthemis flowers separately, so we made up two different dye baths to see if there was a difference.  The colours are beautiful and, as you can see from the photograph below, there is not a great difference (the Anthemis are the 10 skeins starting on the left).  The Tinctoria is a slightly clearer yellow and the skein modified with iron is darker.  The lovely golds are the skeins modified with washing soda.
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The middle section shows the Nepeta dyed wool and this month's surprise came from the bracken which gave us the lovely greens!  It will be interesting to see how stable the colours remain.

Anthemis flowers:

They can be used fresh or dry.  We used just the flower heads with the stalks.
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The Anthemis also gave good yellows on cotton mordanted with aluminium acetate:  basic colour on the left, modified with washing soda (alkali) on the right.

Lola inspecting the catmint:

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July

17/7/2015

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We're looking forward to dyeing with Anthemis Tinctoria - Dyers' Chamomile this month.  Winterbourne hold the National Collection of Anthemis.

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June Dyeing Day

22/6/2015

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Young coot ('cootlings'?) on the lake at Winterbourne.
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Now on to the dyeing...

No flowers to dye with yet but lovely young copper beech leaves
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Mahonia:
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and meadowsweet from the Woodland Walk:
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Copper Beech

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Lovely subtle, warm tones.   The copper beech leaves and young shoots were chopped, soaked for a couple of nights in cold water, brought to the boil and simmered for about an hour.

Mahonia

We used the thick, main stems rather than the leaves.  The inner bark of mahonia is bright yellow:

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and I had read that a clearer yellow dye is obtained if you peel the outer bark.  This was easier than I expected - a potato peeler worked well!

I chopped - or rather sawed - the wood into lengths of about 5 or 6 cm (a shredder would have come in handy) and again, soaked it in cold water for a couple of nights before heating.
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This gave a lovely bright yellow, the brightest yet, before any of the modifiers were used and the alkaline bath (washing soda) turned it a beautful bright gold. 
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The pale lemon is after a dip in the vinegar bath, the lovely green on the right is on a copper mordant and the one next to it (also a very pretty yellow-green 'in the flesh') was given a dip in the 'iron-water' bath.

I have saved the mahonia berries and may try dyeing with those:
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Finally the meadowsweet

the roots of which can give a black dye, with iron.
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Nothing remarkable here, but good strong golds and browns.
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May Dyeing

28/5/2015

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Golden hop, rosemary and sage this month

I love the purple stems of the hop
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Sage on the left, then golden hop, then rosemary.  Overall the sage colours are strongest.  I think this weeks stars are these four:  From the top:  sage on copper, sage with iron modifier rosemary on copper and rosemary with iron.

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The colours are a little deeper and stronger than they show in the photo.

The weakest colours were from the golden hop but Kate, who is doing solar dyeing with some of the plants is already getting a good strong yellow from it.  Perhaps it is one of those dyes that yields a better colour from cold soaking?

I had a quick look at the skeins which have been put aside to check for lightfastness the other day and some have started to fade already.  It will be interesting to see how they compare at the end of the year.

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April Dye day

29/4/2015

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Lots of work going on in the garden at Winterbourne but not much in the way of pruning, cutting back or digging up, so this month we have taken advantage of the new leaves coming out on the golden elder and lush new growth on the brambles in the 'behind the scenes' part of the garden.  We also have last month's prunings from the bay tree.


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The bay has been soaking for about three weeks now .
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Golden Elder
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Bramble leaves and new shoots
Each month we have been setting aside a skein from each dye bath to over-dye with woad.  The woad seems to go from this:

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                                                                 to this:
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in no time at all at this time of year, so we decided the time had come to get a woad vat on the go. 

Woad is a member of the brassica family and a bienniel.  The pigment in woad (which is the same as indigo, but not in such concentrations) is at its most plentiful in first year leaves but we had a mixture of small first year leaves and larger leaves from the plants in the picture which are coming into flower.

We used the bay, bramble and elder as we have done on the previous dye days and then:
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we got beautiful blues and sea-greens.  The skein on the extreme left is woad blue, the next one is the 'waste' woad leaves. The next few are elder, followed by bay and then bramble.  The bright yellow skein towards the right-hand-side is bramble modified by washing soda.

The woad did not come from Winterbourne, but we hope they plan to plant some in due course.

Dyeing with woad is different from the normal method and quite magical. 

First, the leaves need to be chopped, covered with hot water, left for about an hour and strained - this is the reddish-brown liquid.  Next an alkali is added (in this case washing soda).  This liquid must be whisked vigorously for about 5 minutes (Wendy did most of the whisking this morning - thank you Wendy!)
The whisking introduces oxygen to the liquid which converts it into 'indigo blue'.  Once the froth has turned blue and then started to change back to green/yellow colour-run remover or another reducing agent is sprinkled over the surface and it is left for about three-quarters of an hour to remove the oxygen.  (Yes, the oxygen which you have just whisked in.)

And then the alchemy begins:
The wool is put into the woad solution for a few minutes and as it is aired it turns from a greenish yellow colour to beautiful blues - or greens if it is on a yellow base colour.

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And these are the skeins from the previous three months, together with some which were not previously dyed.
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April

29/3/2015

 
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Wendy and Clare joined Carolyn on 26th March for a morning of dyeing experiments.
Carolyn dyed with daffodil heads, ornamental currant and frozen dahlia heads. These had all been simmered and steeped overnight in a separate pot of water.
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Commercially spun undyed wool had been mordanted with alum prior to dyeing and one skein mordanted with copper.
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2 gram skeins were simmered in the 3 dye baths for an hour.
Then individual skeins were simmered for 5 minutes in modified dye baths. The modifiers were acid (distilled malt vinegar), alkaline (washing soda solution) and iron water (rust nails in one third distilled vinegar and two thirds water and left to steep).
In all cases the alkaline modifier deepened the colour achieved, the acid modifier lightened the colour achieves and the iron water modifier produced a brown colour.

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Dahlias

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Dahlias
PictureFlowering currant



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Daffodils
The photos show (from left to right) - basic colour, with alkaline modifier, with acid modifier, with iron modifier and copper mordant.
A good day's dyeing!

Winterbourne Dye Garden
Winterbourne plan to plant a garden with woad, madder, weld, chamomile,greenweed, narcissus, rhubarb, coreopsis, St John's wort, cosmos and dahlias and yew. These plants will be used as dyes and samples available for groups to study. There is to be an exhibition of dyed samples and work dyed using the plants.

March

17/3/2015

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Hoping to dye with
daffodils from Winterbourne this month, and looking forward to seeing what else they might have for us to try.





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February Dyeing Day

27/2/2015

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Once again, five guild members gathered in the kitchen and shared experiences of dyeing with plants, whilst the pans gently for about an hour.  Extending the range of colours by using the modifiers was new to some.

We didn't expect a lot of colour from the fig or beech as the cold soak hadn't yielded any, but in the end we got a good range of soft and subtle shades.

I have got darker yellows from the ivy in the past, but it maybe that I used it at a different time of year.  That is one of the fascinations about dyeing with plants - we could try the same plants in the summer and see whether we get different colours.
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From L - R:  Beech, Fig, Ivy
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Oak

23/2/2015

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From left - right:

Standard colour, acid modifier, alkali modifier, on copper mordant, iron modifier.


Next dyeing day:  Thursday

We will be dyeing with fig:
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Beech and ivy:

The fig prunings have been soaking for a couple of weeks now and the water is looking, well, scummy, but there is no colour.  The oak, which has leaves attached, has been soaking for just a few days, and the ivy will be chopped straight into the dye bath without prior soaking.
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More browns (photo to follow)

15/2/2015

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But all different shades of brown!  Some people may say (and some people DO say) why go to all this trouble to produce shades of brown?  Well, partly it is because we are just experimenting with what is available, and what is mainly available in January and February is tree prunings,
and partly it is so satisfying to produce colour, any colour, from plants that are around us.  And when they have given up their colour they can go onto the compost heap, so have a pretty low carbon footprint.

I said in the first post that we would test a skein for lightfastness.   Some natural dyes fade quite quickly - they are known as  'fugitive' and some wash out.  Sadly, the beautiful berry colours of blackberries, sloes and other fruits fade very quickly. The skeins to be tested will be sandwiched between card, leaving a portion of wool exposed, and left in a sunny window. 
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