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The Latest from our blog

MORDANT MONDAY: Post-Mordant Scouring?

August 11, 2025August 11, 2025

Mordant Monday: Kakishibu (Persimmon Tannin)

July 7, 2025July 7, 2025

MORDANT MONDAY: How To Reuse A Tannin Bath

June 30, 2025June 30, 2025

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botanicalcolors

Ancient dyes for modern times. Your resource for natural dyes, education and natural dye production.

Today we are bringing you a fun Mordant Monday rer

Today we are bringing you a fun Mordant Monday rerun!

MORDANT MONDAY: Post-Mordant Scouring?

YOU ASKED: I just got Aluminum Triformate from you guys and followed the directions on the mordant process. Today I read from a blogger about scouring fabric prior to mordanting and I’m hoping to still do that. Is it ok to scour now after I have put my fabric through the mordant process? Or should I start over?

KATHY ANSWERED: If your fabric is considered PFD or RFD (prepared for dyeing or ready for dyeing), you should not need to scour prior to mordanting. If you have a "raw" fabric such as silk noil, heavy hemp, or loomstate cotton, you should scour. I don't know how useful scouring after mordanting will be since the purpose of scouring is to remove excess dirt, oils, starch, wax and pectin from from fibers before applying a mordant or dye. Instead of starting over, why don't you try a test with the existing fabric as you've prepared it and see if you like the results? You can cut a small swatch and dye it and then make a decision.

Head to our blog to read more of Kathy's answers along with some ways to use Symplocos as a mordant!

Summertime Yellows! Have you tried our weld? Wel

Summertime Yellows!

Have you tried our weld? Weld (Reseda luteola) is the most lightfast of the yellow dyes. Ancient tapestry weavers in Central Asia, Turkey and Europe used the dye.

Weld is the brightest and clearest yellow flower dye. In combination with iron, weld creates a rich chartreuse or, when overdyed with indigo, yields a clear lime green. We carry a very fine grade of weld extract that is also certified for organic textile processing in compliance with the Global Organic Textile Standard (GOTS).

25g of weld extract will dye approximately 800g (1.75 pounds) of fiber to a dark yellow shade. Adding a pinch of soda ash and calcium carbonate to weld while you are dissolving it deepens the shade and the color yield from the dyestuff. For more detailed instructions, please visit our page on natural dye extracts.

Did you know you could combine weld with logwood extract to make green?

There is still time to sign up for @caramariepiazz

There is still time to sign up for @caramariepiazza ‘s Online Workshop: Chromatic Transformations: Natural Dye Chemistry and pH-Responsive Color Shifting on Cotton & Silk – August 9th, 2025

Starts at 12pm PST/3PM EDT  Ends at 2:30pm pst/5:30pm EDT Online Via Zoom : You will receive a PDF with the zoom link after purchase.

Originally Cara’s workshop on creating cosmic night sky patterns, Cara has now modified this workshop to include an entire range of tannin bases, along with other dyes that are susceptible to being modified with simple kitchen chemistry. A great addition to Twilight Tannins, you will build and create swatches on both Cotton & Silk in this workshop. Cara will guide you through methodical approaches to dyeing and how simple changes in pH can create stunning, shifting colors on fabric.

What This Workshop Is About:
Natural dyes have a unique magic, terroir and alchemical properties. Many of them change color depending on their chemical environment. In this class, you’ll learn how to work with these dyes in a thoughtful, hands-on way, experimenting with acids and alkalis to shift colors and create beautiful, otherworldly surface designs inspired by our galaxy.

Click the link in our stories to sign up.
#botanicalcolors #ph #naturaldye #naturaldyeworkshop

We are so excited to announce our new Community Y.

We are so excited to announce our new Community Y.A.K.A! This time the "K" stands for a special guest, @Katrinarodabaugh! Our theme this month is up-cycling and re-working and re-dyeing your clothes to prepare your fall wardrobe. Katrina is a mending expert, author and incredible natural dyer. She is the author of Make, Thrift, Mend & Mending Matters.

Our next session is August 29th, 2025 9am PST / 12pm EST. This zoom session is entirely FREE! Come with your mending questions for Katrina, and learn all about her amazing books. We are so lucky to have her and you are too.

To register, please click the link in our bio. We can't wait to see you there!

Please note by signing up, your email shared with Katrina for her newsletter which is full of incredible insights into the world of mending, slow fashion and natural dyes.

#mendingmatters #botanicalcolors #katrinarodabaugh #communityyaka

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