Bluecrop is one of the best commercial varieties and is an upright vigourous bush to five feet. Because of its excellent autumn leaf colour and red stems in winter, it can be grown as a decorative shrub. Fruit ripens over a four week period from July. Blueberries are reliable and easy to grow given the right conditions. They must be grown in acidic conditions and do best in acidic soil heavily enriched with organic matter. They will grow well in half barrells, part filled with old manure and topped up with ericaeous compost. They do not like to dry out. Preventing the birds taking the berries is the biggest challenge growing blueberries. Blueberries are considered to have many health giving properties are have a very high ORAC rating. The ORAC or Oxygen Radical Absorbance Capacity is a measure of the total antioxidant power of foods devloped by the United States Department of Agriculture.