Several categories of blueberry Bush are suited to the various climates of the United States . matured heights within these categories range from 6 to 12 or 15 feet , depend upon the cultivar . Site requirements as well as maintain a healthy plant – fall out a regular program of lachrymation and impregnation – ensures vigorous growth and an abundant craw of blueberries .
Blueberry Categories
blueberry bush pubic hair can be divided into three chief categories : highbush , rabbit-eye blueberry , and southern highbush blueberries . The highbush blueberry bush , or Vaccinium corymbosum , is native to North America and it is the major cultivar used in commercial blueberry bush production ( more than 50 cultivars have been develop ) . Southern highbush is a fairly new intercrossed cultivar of the highbush blueberry . The rabbiteye blueberry , or Vaccinium ashei , bush are popular in southern areas of the United States due to their resistance to pest infestation .
Heights of Mature Bushes
The top of a matured blueberry bush depends upon the miscellany of blueberry bush planted . Highbush blueberry bush bushes broadly speaking produce 6 to 12 feet tall . Rabbiteye cultivars , which age in some 10 yr , can reach a mature peak of up to 15 feet , and a spread of 10 feet . southerly highbush blueberry cultivars , when mature , will reach a acme of 4 to 6 feet .
Site Requirements
Providing the right environment or habitat for blueberry bushes enable them to grow to their matured heights , and contribute to abundant craw of berries during their lifetime . Highbush and southern highbush blueberry plant require a website in full Sunday , with well - drained , rich , organic and extremely acid soil with a pH from 4.0 to 5.5 . Vaccinium ashei cultivar require full Dominicus , although they will tolerate fond specter . They favour sandlike , acid ( pH 4.2 to 5.5 ) soil and will not survive in soil that has a pH above 5.5 . Their bird feeder roots are confining to the surface of the soil and also need expectant mulching and moisture management .
Recommended Growing Areas
For maximum growth and productivity , plant the correct cultivar or diversity in the recommend growing areas . Highbush blueberries are grown in the main in the Northeast , Midwest , Pacific Northwest and upper southern regions of the United States . The rabbiteye and southern highbush multifariousness are grow in the southern United States . USDA Plant Hardiness Zones for the rabbiteye are from zone 7 to 9 , the southern highbush variety show grow in zones 5 to 9 , and the highbush varieties thrive in zones 3 to 7 .
Maintaining a Healthy Plant
Mulch all blueberry plant to keep wet in , control the pot and to acetify and cool the soil . The mulch should be 3 to 4 inches deep and a circumference of at least 2 substructure from the crest of the bush . dressing and watering are also important in maintaining a sizeable plant . Fertilization differs according to the character of blueberry bush that you plant . Rabbiteye blueberry bush plant are sensible to commercial fertilizers , and Texas A & M University paint a picture that you use only ammonium ion sulphate or limited azalea or camelia plant food . Apply them in little , frequent applications . Fertilize highbush variety show with a 10 - 10 - 10 fertiliser following the manufacturer ’s direction . All blueberry Bush require at least 1 to 2 inch of body of water a hebdomad . auxiliary watering will be required during spicy or ironic conditions .
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