MORDANT MONDAY: Aluminum Sulfate For Cellulose?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: I realized I purchased aluminum sulfate instead of potassium aluminum sulfate. I am mostly looking to dye cellulose fabric yardage. Will aluminum sulfate work as a mordant for cellulose fibers? KATHY ANSWERED: Yes, it will work: aluminum sulfate and aluminum potassium sulfate are largely interchangeable. It used to be that aluminum sulfate could contain traces of iron, which would shift colors, but most modern day aluminum sulfate is pretty “clean” – at least I haven’t had an … Read more

Sunday Visit: Oregon Flower Farming With Vibrant Valley Farm

Today’s Sunday Visit is with our dear friend Kara Marie Gilbert over at Vibrant Valley Farm. Vibrant Valley Farm is a group of dedicated farmers committed to exploring innovative solutions to enliven the current food, floral and fiber systems. Vibrant Valley Farm is also the muscle behind the marigolds we sell on Botanical Colors! Located on Sauvie Island, just outside of Portland, Oregon, Vibrant Valley Farm has been committed to exploring innovative solutions to enliven the current food system, both locally and globally. As part of that local and sustainably grown angle, they never use pesticides or herbicides. Kara says, … Read more

Video From FEEDBACK FRIDAY: Babs Behan

This week on FEEDBACK FRIDAY we had natural dyer and specialist of non-toxic natural dyeing techniques and bio-regional, regenerative textile systems, Babs Behan. Babs is the author of one of the newest books in our book store, Botanical Dyes: Plant To Print Dyes, Techniques & Projects. She is also Founder of Botanical Inks , a non-toxic natural dye studio and the Bristol Cloth Project. Watch the recording below. Shop Babs’ book here. Website Instagram Babs tells us she is committed to the transformation of our textile industry and the possibility of global environmental and cultural regeneration. Inspired by her own … Read more

You Asked, Kathy Answered: What’s The Indigo Setup?

We get lots of emails from customers about challenges with dyeing and needing Botanical Colors’ President Kathy Hattori’s help. Why not share the learning so we can all benefit? From our inboxes to you, it’s simple: You Asked, Kathy Answered. Email questions@botanicalcolors with your plea for help! YOU ASKED: I’m trying to set up my indigo vat finally (I purchased materials from your store months back). My only confusion is whether or not I need to purchase a stainless pot to do the initial 180-190 degree temperature rise? I don’t have one, and have a 5 gallon bucket I was … Read more

MORDANT MONDAY: Mordanted Pieces Resist Wetting Out

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: I love the fact that aluminum triformate works with cold water. When I let mordanted pieces dry until I’m ready to use them, I have a hard time wetting them out before submerging them in a natural dye bath. Do you have an explanation or any tips? KATHY ANSWERED: I’ve noticed that alum mordanted fibers and fabrics can sometimes resist rewetting, especially in cold water. I’ve had skeins that I put in a water bath to rehydrate … Read more

Video From FEEDBACK FRIDAY: Cassie Dickson

Yesterday, we welcomed coverlet weaver, flax and silkworm farmer Cassie Dickson to FEEDBACK FRIDAY. Cassie says: “A Southern Highland Craft Guild Heritage member, specializing in spinning, traditional weaving, and natural dyeing, I have called western North Carolina my home for over 30 years.  As a traditional pattern weaver, I have woven coverlets and linens for over 40 years.   I grow flax and use 18th and 19th century tools and process the fiber to weave linen cloth.  For the past 33 years, I have also raised silk worms,  processing the cocoons to silk fabric and sharing that interesting historical story.  Over the years, I have taught … Read more

You Asked, Kathy Answered: Indigo Heaters + Baskets

We get lots of emails from customers about challenges with dyeing and needing Botanical Colors’ President Kathy Hattori’s help. Why not share the learning so we can all benefit? From our inboxes to you, it’s simple: You Asked, Kathy Answered. Email questions@botanicalcolors with your plea for help! YOU ASKED: I am doing some indigo dyeing and a friend mentioned using an indigo bucket heater to keep the temperature of the water at the correct temperature. She mentioned you sold them, but can’t find them on your website. Do you stock them? If so, where can I see them? If not, … Read more

MORDANT MONDAY: Weighing Fabric For Mordanting

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: I’ve been weighing fabric before and after mordanting lately and noticed that the WOF changes slightly. For the recipes on the site, which weight is relevant for WOF? Post-scour, pre-mordant OR post-scour, post-mordant? KATHY ANSWERED: Our practice is to weigh the fabric prior to scouring and mordanting, so before we start any process on the fabrics. It is the first thing that we do so we can calculate the rest of our formulas during the dye process. YOU … Read more

Video From FEEDBACK FRIDAY: Jody Alexander

Last week on FEEDBACK FRIDAY we had mixed media artist Jody Alexander. In 2020, Jody made some life changes so that she could swim in lakes, and in 2023 she decided to make her open water swimming experiences into an art project. Aqua Lab is a work in progress that attempts to define the allure of open water swimming through the collection of data that includes water and air temperature, earth pigments surrounding the lakes, and underwater photos to capture water color. Watch the recording below. Take a class with Jody! Stitch, Patch, Dye: A Bag Making Workshop with Jody … Read more

You Asked, Kathy Answered: Hapa-Zome + Overdyeing Indigo

We get lots of emails from customers about challenges with dyeing and needing Botanical Colors’ President Kathy Hattori’s help. Why not share the learning so we can all benefit? From our inboxes to you, it’s simple: You Asked, Kathy Answered. Email questions@botanicalcolors with your plea for help! YOU ASKED: When doing hapa-zome with fresh indigo leaves, do I need to treat the fabric with soda ash prior to hammering the leaves? KATHY ANSWERED: I have not heard about using soda ash with fresh indigo printing. The instructions and method that I’ve used is to get a piece of silk fabric, … Read more