Experimenting with Natural Dyes

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Experimenting with Natural Dyes

I’ve been experimenting with natural dyes for the last few months, with an increasing curiosity for the broad range of colors that can be found in nature.

I used to think of natural dye colors as muddy and dull, but there are some fantastic hues that make all of my pink and yellow dreams come true!

There is more on this subject to share than can fit in one blog post, so I’m sharing a brief overview of what you’ll need to get started (as you resist the urge to dye everything in your closet!)

5 natural dyed canvas bags with flower petals on them

One of the reasons I love this medium is that each color experiment is dependent upon the kind of water you used, the freshness of your materials, the mordants you use or don’t use, and the type of fibers you are dyeing.

Other dependents are the temperature of your dye pot, the length of time you allow it to sit, and whether or not it’s the first, second, or fourth item in the dye pot. You can usually get a bright pink, red, and purple from the same cochineal dye pot!

9 squared pieces of natural dyed canvas bags

Dye Stuffs:
There are plenty of vegetables and plants that you can use to create natural dyes, and they are likely already sitting in your kitchen somewhere. In fact, my favorite outcome from this process ended up being the avocado pit dye that gave me the perfect blush!

You can get beautiful shades of caramel-orange from onion skins, a vibrant clementine shade from turmeric, and a lovely blue from dry black beans!

If you’re able to gather your natural dye supplies, think about which season you’re going to look for them. For example, goldenrod in the early fall will offer a much brighter yellow than if picked in fall’s later months.

Be sure to gather items responsibly and without trespassing if you’re foraging in your neighborhood or the countryside. We made sure to only take as many black walnuts as needed last fall to ensure the squirrels weren’t going to go hungry on our street.

The amount of dye stuffs you’ll need will differ depending on the dye. Measurements are usually given based on the dry weight of the fiber you’re dyeing, so it’s a great idea to check out some of the books mentioned at the end of this post for more specific measurements.

For example, I only used 2 oz. of cochineal to create a dark fuchsia/cranberry color, and probably could’ve used only 1 oz. for the desired fuchsia I was after. I used 6 oz. of dried marigold petals, and still had a weaker color than I was expecting.

Take notes of your measurements as you experiment so you can make adjustments down the road.

Color Guide:
Avocado Pits: light peachy pink on linen, light peach on silk, light blush on wool

Marigolds: light yellow on cotton and linen, olive green when used with iron

Turmeric: bright tangerine on linen, bright yellow when mixed with white vinegar

Yellow onion skins: warm orange on linen

Red onion skins: grayish purple on linen

Madder root: bright rust on linen

Cochineal: bright cranberry on linen and silk

Hibiscus: a cool pink on linen

6 colorful square pieces of canvas bags with flower petals on them

Mordants allow the dye to chemically bind to the fabric. You can add mordant to your fabric before you dye it, or you can add it to your dye pot. Mordants (such as copper and iron) will also alter the color of your dye.

For example, you can dye one piece of linen a beautiful shade of yellow using only one marigold dye pot. Then, after adding the appropriate amount of iron to the marigold dye bath, you can dye a second piece of linen olive green!

Some dye stuffs (avocados, onion skins, and black walnuts) contain tannins, which act as mordants. This means you can skip this step altogether unless you want to change the color.

Always use precautions when working with both dye powders and mordants so as not to inhale them. Some mordants may irritate sensitive skin.

Types of Mordants:
Alum: Alum is one of the easier mordants to use, and should always be added to a cup of warm water to dissolve before being added to a dye pot. Too much alum can affect the softness of your wool, so don’t get crazy with it.

Cream of tartar: Pairing cream of tartar with alum can help brighten the overall color. I recommend using 2.5 – 3 tbsp. of alum combined with 1 tbsp of cream of tartar.

Copper: Copper is usually used to dull or darken your colors.

Iron: Iron can also darken and change your colors. Use it to get greens, grays, or browns.

White vinegar: I’ve used white vinegar to brighten my turmeric dye, and it changed it from a bold orange to a bold yellow. I also tried using it to see if it would brighten the blush in my avocado dye pot, but it faded the color instead.

The moral of this story is that one mordant won’t do the same thing to every single dye. No, that would be too simple! Lesson learned.

colorful canvas bags with pink yarn on top

Types of Fibers:
100% linen: I use linen to test all of my colors because it’s very consistent. Linen is a cellulose (plant) fiber, and takes all of the colors well, although some dyes needed mordants and others didn’t.

Wool and silk (protein fibers) accept dyes the best.

Plant fibers (cotton and linen) need a mordant or a dye with natural tannins (avocados, onion skins, or black walnuts).

All fibers should be scoured prior to dyeing for the best results. Scouring is the process of removing oils or chemicals occurring in nature or through the manufacturing process.

How Do I Scour My Fabric?
You can scour linen and cotton using hot water and a pH neutral laundry detergent in your washing machine. You can also use a scent-free dish soap in a pot on the stove top.

Tip: Be sure to scour wool in a pot on the stove so you don’t accidentally felt it.

a woman put a white canvas bag in a big metal pot on a stove

–Stainless steel pot(s)

–Stainless steel tongs

-Clothesline or drying rack


–Measuring spoons

–Mason jar(s) with lids for storing unused dye

Once a pot or tool has been used to dye something, it is no longer food-safe.

I always look for large stainless steel pots at thrift stores and garage sales, and have a separate place in my kitchen for everything so it isn’t accidentally pulled out at dinnertime.

Copper and aluminum pots should be avoided, as they will act as natural mordants throughout the dye process. So, unless you’re wanting to use them to alter the specific color of your dye, stick to stainless steel.

How Do I Store Excess Dye?
You can also store excess dye for later use as long as you strain all of the dye bits out of it and refrigerate it.

pink fabric with a whole avocado, a cut in half avocado, and a bowl of purple powder on it

How to Dye Your Own Fabric:
So, you have gathered your linen and are ready to make a set of cloth napkins! Here’s the rundown:

Step One: Wash 1 yard of 100% linen in your washing machine with a pH neutral detergent in warm to hot water, or heat it in a pot of water and unscented dish soap until it’s boiling.

Simmer for an hour and let cool. Rinse with cool water. Add it while it’s wet to your empty dye pot.

Step Two: Prepare your dye pot by filling your stainless steel pot with enough cool, filtered water to cover your 1 yard of linen fabric. Add your dye stuffs to your pot and bring it to a simmer. You don’t want it to boil, as it will muddle your color.

Let it simmer for 45-60 minutes before turning off your heat and letting it cool. The longer you leave your linen in your dye pot, the stronger the color may become. Understand that the color you see when wet may be slightly darker than the color of your linen when dry.

Step Three: Let your linen air dry in a shady spot before rinsing it in cool water. Feel free to wash and dry as usual. Linen will obviously get softer with each wash cycle.

Step Four: Cut and sew your fabric into linen napkins by double-folding the edges and stitching along the inner fold.

a woman dipping white fabric into a metal pot on the stove

There’s something intrinsically special about using plants to dye your own fabric. It connects you to the process of designing your own clothes and home goods in a way that gives you more respect and curiosity for the materials used and the process itself.

a pink dyed square piece of canvas bag with powder on it

Whether you’re interested in natural dyes as an alternative to synthetic one, or are just curious about all of the colors you can find in your own backyard, you are sure to get hooked!

Experimenting with Natural Dyes

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