Ravelry: Small Flower Applique pattern by Crochet 'n' Create

Ravelry: Spring Flower pattern by Crochet 'n' Create

Two Layer Crochet Flowers (Free Pattern) - Annie Design Crochet

Ravelry: Pansy Crochet Flower pattern by Rebecca Langford

Forget Me Not Applique - Free Crochet Pattern - EyeLoveKnots

There is a BONUS crochet pattern for Leaves. These are great to embellish your Dahlias or any type of design.

Dahlia Flower Applique pattern by Jo's Crafty Hook

How to Crochet Flower

Ravelry: Jewel Flowers pattern by Carmen Heffernan

Ravelry: Knit Flower pattern by Sue W. Thompson

Ravelry: Flores Knitted Flowers pattern by Genniewren Designs