A 4.0 mm (G-6) or 5.0 mm (H-8) hook works well for beginners.
Medium weight (Worsted/Aran) or light weight (DK) cotton yarn is ideal because it holds its shape well. How To Crochet a Simple Flower - Absolute Beginners
Scissors and a tapestry needle (yarn needle) for weaving in loose ends. Step-by-Step Instructions How To Crochet a Simple Flower - Absolute Beginners
Crocheting a simple flower is a perfect starting project for absolute beginners because it uses fundamental stitches and can be completed in just a few minutes. How To Crochet a Simple Flower - Absolute Beginners