In a former dairy barn outside of Gap, Winona Quigley hangs a rainbow of yarn bundles, each color rooted in plants. The palette expands in the dye house, where avocado pits turn T-shirts pink, flower ...

Dear Heloise: I want to use red silk flowers to decorate a headstone, but I'm being told that they will run when they get wet and stain the headstone. Is there any way to set the color so they don't ...