Is Chenille Yarn Good For Summer? I don't recommend it for summer, as it's too warm. Do Chenille Yarns Pill? No, they don't pill. Can You Dye Chenille Yarns? No, you can't. How Do You Keep Chenille Yarn From Worming? Chenille yarns can "worm" their way out of stitches. If this happens, try knitting at a tight gauge.