NO SPOILERS
Story(7) Hanasaku Iroha hasn't a real story, it's a rest of little adventures in the daily life of an inn. Because of this, the story is not really important, it's the evolution of the characters which is interesting. The relation between Ohana and Kouichi is enjoyable.
Art(8) This anime has a very good animation and style even if I think the three girls who are the main protagonists have too bigs eyes but it's not a problem. The sceneries are beautiful, elaborated and brights.
Sound(8) The openings, endings and the OST are enjoyable, lights and refreshing. They give this pleasant atmosphere to this anime.
Character(9) The characters evolve a bit despite what it's said in Hanasaku Iroha. However, they are endearing and we finish by knowing them pretty well with their qualities and flaws, this is the point which is very enjoyable in this anime: the characters
Enjoyment and Overall(9) Hanasaku Iroha takes place in an original place, an hostel, this include a lot of things which make this anime stand out from the other animes. One more time a light and refreshing anime.