Begin with the basic snowflake shape and add filled-in hearts to the center where the arms meet.
Drawing an ornate snowflake is all about the tiny details. Draw small, v-shaped embellishments off of the hearts.
In between each main arm, add rows of details that look like pearls. To achieve this in chalk, draw a small circle, but instead of filling it in solidly, smudge the chalk with your finger. This will create a more dimensional circle shape.
Continue adding the pearls, starting with the largest pearl closest to the center and gradually getting smaller.
Add small diagonal lines coming off of the main arms. This feathery shape will contrast the circle arms nicely. Cap off the arms with a tiny heart.
Cap off the arms with a tiny heart.
Finish the snowflake with a small, outlined diamond shape and a dot between each arm.