blueberry bush bushes are native to the eastern part of North America . Rabbiteye blueberry bush bushes ( Vaccinium ashei ) grow in north Florida and southeast Georgia . Highbush blueberry bush bushes ( Vaccinium corymbosum ) grow in the eastern third of the United States and southeast Canada . Highbush blueberry bush crotch hair bloom and set fruit earlier than rabbiteye blueberry bush George W. Bush . Most people can not tell a difference in the predilection , but rabbiteye blueberry bush have a firm texture .
Care of Blueberry Bushes
works blueberry bushes in full sun and in well - drained soil . earmark at least 7 square pes for each rabbiteye blueberry bush and at least 4 square feet for each highbush blueberry . Use a 2- to 3 - inch bed of pine bark mulch to halt in moisture . As the pine bark deteriorate , it will acidify the soil . Maintain a soil pH of 4.0 to 5.5 . Apply lime to increase ground pH or atomic number 16 to depress it .
Disease Prevention
Blueberry bush diseases ensue in smaller plant , modest yields and sometimes even death of the flora . Incidents of infection are usually sporadic and preventative touchstone tend to work well . Since no form is resistant to all blueberry bush diseases , opt variety with resistance to the most common disease in the area . Do not plant blueberry Dubyuh in the shade . Keep the arena around plants weed to improve melodic line circulation . Avoid excessive use of plant food , specially atomic number 7 .
Bacterial Diseases
diadem gall is a bacterial disease that form bumps on the tops and roots of blueberry bush bushes . Infected George H.W. Bush are commonly stunted and weak . Treat with a suspension of hypervirulent Agrobacterium as recommended by the manufacturer . Bacterial disease also stimulate cankers on heyday , leaves and shoots of Natalie Wood less than a twelvemonth old . Remove diseased plant parts and spray with a solution of Bordeaux motley ( copper sulphate and fluxing lime ) following the manufacturer ’s directions .
Fungal Diseases
Fungal diseases on blueberry bushes can be controlled by removing the infected plant parts and spray with a fungicide as directed by the manufacturer . grey mold causes leaf spot and blossom blight ( misshapenness ) . Powdery mould coats the stems , leaves and flowers of blueberry crotch hair with a whitened layer . Fusicoccum and Phomopsis make cankers on blueberry bush stems , which results in the stem turn wilting and dying . Other fungal diseases make shriveled or reeking fruit and root decomposition .
Viral Diseases
Viral disease normally affect the leaf of blueberry bush bushes . symptom include cherry - brown spots on leave or bright yellowed and green mottling of foliage . leave may be cup , twisted or elongated . Leaves and berries are smaller than normal on blueberry bushes with stunt computer virus . Berries on plants with shoe string virus turn purplish - red instead of aristocratic . blueberry bush bushes infected with a virus should be removed and burned .
