Natural Dyeing: Red Onion Skins

January has been a very busy month for me and I haven’t had time to do anything creative. I’m hoping that things will change in February. I did have time for one experiment though. I did dye with normal onion skins last summer (read about it here) but I didn’t try red onion skins until now. I heard that the colour you get from them is green. I think mine turned out more brownish with a hint of yellow.

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You need a quite a lot of onion skins if you want to dye yarn with them. I don’t eat that much onions so I headed to a big supermarket. I know that they have these boxes underneath the onions where all the onion skins will drop. I asked from the saleswomen if I could get them for myself as they are going to the trash anyway. She was very helpful and I got three plastic bags full of normal onion skins and one with red onion skins. The cashier did give me a very curious look when I turned up with my treasures, I think I’m in danger of getting a bit of a crazy reputation.

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In the end I had 65 g of red onion skins that I put into a pot, added some water and let them soak for a day. Then I boiled the skins in the same water for two hours and forgot the skins for another day. Then I shifted the skins away and added some yarn.

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I used 50 g of 100% wool yarn that I had previously mordanted with alum and the cream of tartar. I kept the temperature under 80 °C. I think the colour is a bit olive. It’s weird because the yarn looks greenish in daylight, but brown in electric light, that’s natural dye for you.

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Into the same pot I threw in a tiny bit of unmordanted wool to see the difference. And that yarn is definitely more reddish brown colour.

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I forgot the dye bath for couple of days and though that I try to dye some more yarn in it. This yarn was also premordanted with alum and the cream of tartar. I accidentally let the temperature get higher then with the previous one. Wool doesn’t really like temperatures that are too hot but the colour turned out stronger and browner then the first one. I think I could have tried to dye more but I ran out of yarn.

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Natural dyeing: Heather, Onion Skins and Birch Leaves

I took class on natural dyeing in the beginning of the summer and I though I share some of the things I dyed there. All of the plants I used for the colouring where collected in the beginning of June. Beginning of the summer is a great time for plant dyeing because the colours are more vibrant the earlier it is in the plants growing season (at least here in the north). The yarns I used where all 100% wool yarns and they were mordanted with alum. Read about mordanting here.

HEATHER

I used about 280 g of heather and dyed 108 g of wool yarn. First I soaked the heather in water over night. Then I boiled the heather in the same water for two hours. After that I dyed the yarn by boiling it in the sifted colour liquid for one hour.

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ONION SKINS

For these yarns I used the liquid dye that was made out of onion skins. This was the third time that liquid was used. I added 3 g of madder powder and 1 g of cream of tartar to the liquid and I dyed 40 g of yarn. This really brightens the orange colour up. Check out my post for dyeing with onion skins here.

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BIRCH LEAVES

I used 319 g of birch tree leaves and dyed 73 g of wool yarn. You do need a quite a lot of leaves for dyeing a lot of yarn. I boiled the leaves in water for two hours and then I dyed the yarn by boiling it in the sifted colour liquid for one hour. To get a bright green colour like this, it’s important to use early leaves from the beginning of the summer.

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Natural Dyeing: Onion skins

I think onion skinss are amazing. It’s incredible how much colour they have in them. I used about 115 grams of onion skins to dye these yarns. I got the skins for free from my local supermarket. I might have gotten couple of strange looks while I was going through the onion box, collecting loose onion shells but it was definitely worth it.

I let the onion shells soak in water for one day before boiling them (in the same water) for two hours. For dyeing I used a variation of old wool yarns that I had mordanted earlier with alum. After shifting the dye bath I boiled the wool yarn in the dye bath for one hour (I kept the temperature at about 80 °C). After that I rinsed the yarn. Onion tends to release a lot of excess colour so it’s good to add some vinegar to the last rinsing water. I used wool yarns that I had previously mordanted with alum.

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The first yarns on the left are from the first dyeing batch (88 g). I saved the dyeing liquid and dyed another batch of yarn in it(100 g). This batch is the yellow one in the middle. After that I used the colour liquid for the third time but added one teaspoon of madder powder and half a teaspoon of cream of tartar. These are the yarns on the right(77 g).

I think this is a good example of how different yarn qualities effect the dyeing result. I used both white and grey coloured yarns. With white yarn I got lighter oranges and yellows and with grey yarn stronger oranges and greens. I used ordinary onion shells but I also want to try red onion shells. I hear you can get a beautiful green from them. Has anybody tried red onion skins?

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