Generally known as a symbol of true love and fond memories, petite and somewhat shy true-blue colored forget-me-not flowers, thriving in shaded woodland gardens and meadows, also have a lot of meaning in gift-giving. They symbolize the hope that recipient will never forget the giver.
The Christ Child was sitting on Mary's lap one day and said that he wished that future generations could see her eyes. He touched her eyes and then waved his hand over the ground and blue forget-me-nots appeared, hence the name forget-me-not. Source