They will have a small, dry scar after picking.
The upright bush grows 5 to 10 feet (1.5 to 3 metres) tall and needs 650 hours of cold weather during the winter.
The berries need to be left on the bush for a few days after ripening to allow full flavour to develop, though they are very prone to cracking during wet weather.
Tifblue blueberries can be mechanically harvested for the fresh market.
Tifblue blueberries were released by the University of Georgia (USA) in 1955.