Hands down Cotton yarn is the best yarn for Crochet Dishcloths! I also have linked a few of my favorite cotton yarns in this post.
5 Quick & Pretty Crochet Washcloth Patterns to Practice the Basic Beginner Stitches - sigoni macaroni
Village Yarn Dishcloth Cotton Value Yarn Pack, 58% OFF
Whispering Pines Dishcloth - Free Crochet Pattern - Truly Crochet
Quick & Easy Crochet Dishcloth Pattern {FREE}
Can You Use Acrylic Yarn For Dishcloths?
35 Free Crochet Dishcloth Patterns - My Crochet Space
Easy Crochet Dishcloth Pattern -, Tutorials
The Best Yarn for Crochet Dishcloths + 3 Crochet Dishcloth Patterns
Farm House Washcloth Crochet Pattern – Mama In A Stitch
The Absolute Best Yarn for Crochet Dishcloths + Free Patterns - OkieGirlBling'n'Things
Free Half Double Crochet Dishcloth Pattern - Midwestern Moms
The Easiest Knit Dishcloth - free pattern that is great for a beginner! - Six Clever Sisters
How to Crochet a Washcloth + Free Crochet Dishcloth Patterns - Persia Lou
Easy Crochet Dishcloth / Washcloth : 9 Steps (with Pictures) - Instructables
My Hobby Is Crochet: Easy Crochet Dishcloth, Free Crochet Pattern: Written Instructions and Chart