Oh gosh, this natural dye is just exquisite! Logwood is sourced from the heart of the Logwood tree. It's native to South America, so we don't have it here. I buy the wood and extract the dye. Logwood can give anything from bright purples to blues to pinks. This particular batch is absolutely stunning - a beautiful lavender purple...from wood! If you want a sweater quantity, I will custom dye since this is something that can vary widely between batches. Please note that while I mordant, this dye can fade a bit to more of a gorgeous gray. It takes a long time, or if you happen to make a blanket and leave it in a sunny window. Honestly, it's like knitting 2 garments in one!