For a 58×76 cm / 23×30 inches size baby girl blanket you will need:

Weight 4, worsted yarn: Purple 55 m / 60 yards, Orchid 137 m / 150 yards, White 202 m / 221 yards, Mint 460 m / 503 yards.

Hook: 5 mm

This pattern is for joining the squares and crocheting a border around the joined squares. The instructions for the actual squares can be found https://www.vcrochetpatterns.com/?p=36