I also made this in UT and Vandy colors! Knocked it out quickly on my knitting machine. I know, I know, some may consider it cheating, but it took a Sunday afternoon to knit two scarves!
Easy, fun, FREE crochet pattern based on Harry Potter movies and books! More
Super pretty scarf inspired by Luna Lovegood in the Harry Potter movies, looks pretty easy to crochet too (with pattern).
wikiHow to Make a Harry Potter Scarf -- via wikiHow.com Hufflepuff pride!
Marauder's Map scarf. A must-have for anyone hunting for Harry Potter gifts or Harry Potter clothes.
Harry Potter Scarf Pattern - use this instruction too for jogless knitting: http://techknitting.blogspot.co.uk/2007/01/jogless-stripes.html
Sum of their Stories: Harry Potter Scarf Pattern
Gryffindor Scarf (Trapped Bar Style) - Double Knit or Knit tubular then laid flat so there is stockinette stitch on both sides.
This looks EXACTLY like the Gryffindor scarf I knitted when I was a teenager! I love that thing...so long, thick, and WARM. I get lots of compliments. :)