You Asked, Kathy Answered: PH + Lac

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 use lac dyes for my blankets in my botanical prints. The silk or wool is mordanted in alum, then iron, wrung out and flowers/plants placed on the fabric. The blanket which has been soaking in lac is then (wrung out) placed on top, everything is rolled up tightly then steamed … Read more

Video From FEEDBACK FRIDAY: Natalie Stopka + Tilke Elkins

Last week we had a FEEDBACK FRIDAY alumni discussion with Natalie Stopka and Tilke Elkins! The two returned to FEEDBACK FRIDAY to have a conversation on ruderal plant color, orphaned materials and forging relationships through materiality at the margins. The two discussed unwanted, discarded, or simply forgotten things and following intuition as a practice of emergent design.  If you’ve never been to a FEEDBACK FRIDAY featuring two former presenters in discussion you’re in for a treat. Watch the recording below. Check out these three previous matchups: Preserving history with Narayan Khandekar + Porfirio Gutíerrez Mapping Color With Sasha Duerr + Maibe … Read more

wheat bran mordant assist

MORDANT MONDAY: Fixatives & Funky Water

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 used your cold water Aluminum Triformate mordant. I dissolved it in cold water and poured it into the cold water tub. It was really cloudy when I added the fabric. Now the mordant has settled on the bottom of the pot. Is that right? If not, is there a way to rectify it. KATHY ANSWERED: If there are a few grains of mordant at the bottom, it’s not a problem.  If there’s a layer of mordant, … Read more

You Asked, Kathy Answered: Let’s Talk 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. YOU ASKED: I started my indigo journey 🙂 and have a question. I tried looking through the blog first but couldn’t find this similar issue I’m having. I have an indigo 1-2-3 iron vat. My vat seems in okay condition — After stirring and letting the sediment settle, the color is light yellow/amber but when I dip my fabrics, they … Read more

MORDANT MONDAY: Does Alum Acetate Have a Shelf Life?

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 have some alumimum acetate mordant that is 18 months old. It is kept in a plastic container inside a freezer plastic bag. I heard it has a short life. How do I know when it is not worth using? KATHY ANSWERED: I have also heard that aluminum acetate has a short shelf life but I asked our supplier and they were unaware of this issue and have never provided us with a “best by” usage date. … Read more

Video From FEEDBACK FRIDAY: Fibershed Ireland Takes on Linen + Woad

Last week on FEEDBACK FRIDAY we took an inspiring textile and color journey with Fibershed Ireland! We travelled to the island of Ireland and met Mario Sierra from Mourne Textiles. Mario is bringing a spinning mill at the foot of the Mourne Mountains in Northern Ireland back to life. Despite having a rich history of linen production from soil to textile, in the last 30 years the linen industry has pretty much left Ireland, save a handful of weavers and finishers. Mario intends to change that at Mourne Textiles. We also met Jennifer Lienhard of AppleOak FibreWorks who talked about her … Read more

MORDANT MONDAY: Post-Mordant Scouring?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: Can you store and then reuse symplocos mordant, the way you can alum mordants? If it can be stored, do you need refrigerate it or add cloves to keep it from going off, as you must with plant based dyes? KATHY ANSWERED: Symplocos baths may be reused several times but it does contain plant matter and will probably start to ferment if left for long periods of time, like over 2 weeks in a warm environment. You … Read more

MORDANT MONDAY: Tips On Temps For Mordanting Fibers

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: Does your wool gauze need to be scoured before I mordant it? KATHY ANSWERED: I do not scour the wool gauze as it’s so sheer and fine and it seems pretty clean. It takes the dyes exceptionally well with a mordant only. YOU ASKED: Which type of mordanting do you think ensures color fastness? KATHY ANSWERED: Color fastness is a function of the dyestuff and the mordant, not the mordant alone. If you dye a mordanted fabric … Read more

MORDANT MONDAY: Does Alum Triformate Shift Color?

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 have just recently tried Alum triformate, first time using it. Have you had reports that it shifts the colors? We used Sequoia extract that was purchased from Maiwa, and it should have a dusty brownish purple, and it did on the regular alum mordanted bits I had in there- but it made a greenish grey on the triformate. Just wondering if you had info on this? I’m going to do a test with 2 skeins in … Read more

MORDANT MONDAY: Fresh Rhubarb For Mordanting Wool?

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 use fresh rhubarb leaf for pre-mordanting wool, and I’m wondering if it can be used dried, and if so, what is the ratio of dried leaf to WOF? KATHY ANSWERED: Since you are already using the fresh leaves, do you have a percentage or weight that you are using? If so, I would use about half as much with dried leaves and see if you like the results! YOU ASKED: Kakishibu Japanese persimmon dye is used with … Read more