As of June 2015, good crochet flower tutorials are online at Flower Girl Cottage, Attic 24 and Zoom Yummy. All the tutorials have earned many positive comments from visitors to the sites.
Flower Girl Cottage has a tutorial to help make simple flowers with any size hook and yarn. A video shows part of the process. Comments mention that the instructions are good for beginners and effective for using up scrap yarn.
Attic 24's tutorial is for flowers and leaves. Many photos accompany the step-by-step instructions. Site users find the directions easy to follow.
The Zoom Yummy tutorial is for a rosebud-like crocheted flower. Photos illustrate how to complete each row and then twist the yarn strip into a flower shape. Visitors to the site say the flowers are good for decorating other projects