Blog - Botanical Colors

Mordant Monday: Ceriops Tagal (No Mordant Required!)

Pictured here is our drying line from our recent tour to The Threads of Life Bali. The black pieces are Ceriops overdyed in Indigo. Today, we’re taking a look at Ceriops Tagal, a “red” tannin from Indonesia, and a color that is rich in history and traditional use. We are excited to present it to you again as it was one of our favorite dyes to work with while we were at The Threads of Life Bali. At Botanical Colors, we recognize that the mangrove species is threatened due to widespread clearing of mangrove forests for timber, fish farming and … Read more

A Humble, Ingenious Leaf Mordant: Symplocos

The plant world contains species that draw alum from the soil and store them in their tissue – they’re referred to as alum accumulators or hyper accumulators. There’s a plant species called symplocos that is an alum accumulator and contains enough alum to be used as a plant-based mordant. We carry symplocos and are happy to have a new shipment arriving this week, so it’s a good time to review this mordant alternative with a great backstory. The Story of Symplocos In 2005 and 2006, The Bebali Foundation (a partner enterprise to Threads of Life that focuses on sustainable economic … Read more

Mordant Monday: Morinda Roots and Our Time With Threads of Life

Usually for our Mordant Monday, we dive into a mordant topic, alas we’re in Bali and we have no idea what day it is! For this week’s blog post, we are changing it up as we’re feeling so nourished and inspired by our time in Bali, we needed to share it with you all. We’re drawing on the end of our trip and are gobsmacked by the kindness, patience and extensive knowledge the Threads of Life and their team are so graciously bestowing upon us. Here we share with you the process of learning about Morinda Roots and how they … Read more

Sunday Visit: Lindsay Degen of Degen Knitwear

Sunday Visit is our interview series that invites you to settle in with a cup of tea as we sit down with a visionary from the natural dye, textile, and art world. This week, we’re thrilled to share our conversation with Lindsay Degen, founder of DEGEN knitwear, whose playful approach to knitting and bold, geometric motifs have made her a standout in contemporary craft. Like all our Sunday Visits, this interview dives deep into Lindsay’s creative journey-from her earliest stitches learned as a child, to her innovative partnership with Botanical Colors exploring the painterly possibilities of natural dyes. We hope you … Read more

Mordant Monday: Overdyeing: Indigo First, or Indigo Second?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: Do you always dye indigo first before overdyeing with another color? Does it make any difference? KATHY ANSWERED: When I was starting out, I was advised to dye with indigo first, rinse, mordant my fabric, and then dye with a mordant color second in order to create any type of compound color when indigo is involved. We largely agree with this as most of our production colors start with an indigo shade that we dip. We seem … Read more

Sunday Visit: Hudson Valley Seed Company

Welcome to this week’s Sunday Visit, our ongoing interview series where we explore the creative, inspiring, and deeply rooted stories shaping our botanical and fiber community. Today, we’re thrilled to sit down with the Hudson Valley Seed Company, a pioneering force in preserving biodiversity, seed storytelling, and sustainable agriculture from their vibrant base in Accord, New York. From humble beginnings in a public library catalog to becoming the largest producer of Northeast-grown and adapted seeds, the Hudson Valley Seed Company has blossomed into a national leader in open-pollinated, heirloom, and organic seeds-each one packaged in artist-designed envelopes that celebrate the living … Read more

Mordant Monday: Does Indigo Damage Mordants

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] 2 light indigo dips on mordanted silk before immersing in exhaust dye baths to make pastels YOU ASKED: My question involves the processes of indigo dyeing when combined with other plant dyes that have been mordanted with aluminum acetate. My understanding is that citric acid discharges the mordant and also neutralizes the alkalinity of indigo as a last step in finishing indigo dyed cloth. How would you go about neutralizing indigo without discharging mordant? For some processes, I am … Read more

Sunday Visit: Madeleine MacGillivray, Climate Activism & Knowing Your Super Power

For this week’s Sunday Visit interview series, we are delighted to feature Madeleine MacGillivray, a lifelong climate justice advocate, science communicator, and sustainability expert. From founding her first climate project at the age of nine to serving as the Climate Communications and Policy Coordinator at Seeding Sovereignty, Madeleine has dedicated her life to addressing the urgent intersections of plastics, climate, and environmental justice. With an MSc in Sustainability Management from Columbia University and extensive experience in microplastics research and advocacy, she brings a unique blend of scientific expertise and grassroots activism. Join us as we explore her inspiring journey, her … Read more

Mordant Monday: What is Dunging?

Cellulose fibers are the most common fiber that we start with as cotton fabric is readily available and affordable. However, cotton does not have the same affinity for natural dyes as protein fibers such as wool, so the cellulose mordant process is different to achieve good results. The mordant process for cellulose fibers includes pretreating with a tannin, then immersing the tannin treated fabric into an alum solution. This method is one of the earliest mordant methods for cellulose fibers and produces very good results. We use this method regularly as we also love to experiment with different tannins to … Read more

Sunday Visit: Kalen Kaminski of Upstate

For this week’s Sunday Visit interview series, we are excited to feature Kalen Kaminski, the creative force behind Upstate, a vibrant New York-based studio renowned for its handcrafted textiles, apparel, and glassware. With a background in set design and prop styling, Kalen has cultivated a unique aesthetic that blends whimsy with sustainability. Inspired by nature and global travels, she crafts one-of-a-kind pieces that reflect her passion for color and experimentation. From her early days as a prop stylist to founding Upstate, Kalen’s journey is a testament to innovation and collaboration, as she continues to push boundaries in design while advocating … Read more