Dewberry is a fruit-talent fairy who appears in the Disney Fairies Games. Most often found in Midsummer Hills or Summer Glade. She can turn seeds you give her into fruit which can be used to dye thread.
Her bio states:
"Dewberry, a fruit fairy, is an expert at growing seeds into fruits. She is outgoing and sweet and can get very absorbed in her work. She is always arguing with Olwen about whether a tomato is a fruit or a vegetable.