According to Mainichi, one-year hiatus of Ookiku Furikabutte manga was announced in Afternoon magazine February issue. Higuchi Asa will take a rest to improve her health and will resume serialization around November 2011.
Higuchi apologized for the long hiatus and, comparing it to the end of the baseball season, said that the manga will resume its serialization around November. New compiled book volumes of the manga will follow thereafter.
Source: Mainichi & MyAnimeList