catharine ellis Archives - Botanical Colors

You Asked, Kathy Answered: The pH of 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: I set up an indigo vat a few weeks ago using fructose and lime. I dyed a few cotton items which worked well and now I want to dye some wool and silk. I’m having trouble lowering the pH. I’ve added more fructose but the pH is still 10.9. I tried … Read more

You Asked, Kathy Answered: Going Grassroots With Tannins

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 want to create gray on cellulose by using an oak gall tannin followed by an iron modifier; my question is should I rinse the tannin before modifying? KATHY ANSWERED: According to Catharine Ellis, the tannin treatment is not super strongly bonded to the fiber until the alum is added, so … Read more

Sunday Visit: In The Mountains of North Carolina With Catharine Ellis

Thanks for spending some time with us today for this special Sunday Visit with Catharine Ellis. You might know Catharine Ellis as the author of what many call their “natural dye bible” The Art and Science of Natural Dyes: Principles, Experiments, and Results. Co-written with textile engineer and chemist Joy Boutrup, the book is a comprehensive guide that explains the general principles of natural dyeing. We’re excited that she just launched a companion to this in the form of The Studio Formulas Set for The Art and Science of Natural Dyes. Catharine has been a weaver and a natural dyer … Read more

You Asked: What Did I Do Wrong With My Ceriops Tagal?

Thanks so much to Sue who wrote to us and documented with her own images, asking why she didn’t get the color she’d hoped from Ceriops tagal. She writes: “I dyed a linen apron and mask commercially dyed off-white. Total weight 225 grams. I scoured them according to Botanical Colors and Catharine Ellis using washing soda. Allowed to dry. Wetted out and mordanted fabric was soaked in a tannin bath made from 30% WOF dried winged sumac leaves, whirled in processor. The fabric was immediately put in a cold mordant of 12% WOF potassium aluminum sulfate and 1.5% WOF washing … Read more

Video From LIVE FEEDBACK FRIDAY: Kim Eichler-Messmer

This week’s FEEDBACK FRIDAY was with quilt artist Kim Eichler-Messmer. Kim has been hand-dyeing fabric for nearly 20 years. In 2015 she made the decision to switch from using synthetic dyes to natural dyes and began a journey of learning and discovery, guided by experts in the field such as Catharine Ellis and Michel Garcia. Kim shared her beautiful work, talked about how the learning process influences her, and discussed how her work has evolved since making the switch to natural dyes. Watch the video recording here: Kim’s favorite things on our site: “I think Botanical Colors has an amazing … Read more

Video From LIVE FEEDBACK FRIDAY: Catharine Ellis

This week, we’ve got video from our live FEEDBACK FRIDAY featuring Catharine Ellis. She even answered all your chat questions we didn’t get to (below!) Watch the recording here: You might know Catharine as the author of what many call their natural dye bible, The Art and Science of Natural Dyes: Principles, Experiments, and Results. Co-written with textile engineer and chemist Joy Boutrup, the book is a comprehensive guide that explains the general principles of natural dyeing to help dyers become more accomplished at their craft. She also has a fantastic blog that features all her experiments that’s a must … Read more