Such a dream means probably not so much. The dream reveals a subject that you think about often or daily. Dreams are the brains way of summarizing everything you want and have gone through.
Fruit symbolizes experience and operations(action). The garden symbolizes activities, and you have to take advantage of your opportunities and reap the fruit.
The topic is about fairies, and I would think that its a subject of interest you have.
I know nothing about fairies. :P