San Franciscans love summer because of the berries variety it has to offer. Olallieberries are the most popular seasonal berries, in spite of a commonplace opinion about their not very delicate shapes. People even call it a king of berries. Olallieberries belong to the blackberry family but have their unique savour. Besides, it is a great source of vitamin C.
In comparison to strawberries, blackberries, and other berries, their seasonal period is relatively short. Thus, you should not hesitate when you bump into them at the market and better take it at once. Later throughout the year bakers will treat you with delicious olallieberry jams and pies, however, these are definitely not the same as fresh berries.
San Franciscans even invented the Olallie Pops—tiny olallieberry pies, so try to taste them once you are there.