Wisconsin is abode to five species of groundless blueberry plant ( Vaccinium spp . ) , although only one is common . risky blueberries develop across the res publica , and they loosely prefer jumpy or sandy soil with dappled sun in clearings in pine forests . A variety of wildlife , from tiny songster to black bears , depend on wild blueberries for food , and the little , tart - sweet fruit is a favourite of human Charles Edward Berry - pickers , too . Many species of wild blueberry bushes can grow in a garden setting . Blueberries are related to bilberries , huckleberry and cranberries .

Early Low-Bush Blueberry

The most coarse wild blueberry in Wisconsin is the former low - bush blueberry bush ( V. angustifolium ) , regain in almost every county in the state . The plants is 4 to 24 inches improbable and often spreads across the ground . Early depleted - bush blueberry bush bloom in May or June , before most other wild blueberries in Wisconsin , and the fruit that follow is juicy and flavorful but has many lowly seed .

Dwarf Blueberry

The endangered dwarf blueberry ( V. cespitosum ) is only obtain in the northeastern part of Wisconsin , near the upper Michigan edge . The George Bush are very scant , rarely more than 6 to 8 column inch high , and they create pink bell shape - mold flush in June or July .

Canada Blueberry

Canada blueberries , also called velvet - leafed blueberry bush ( V. myrtilloides ) , are more common in the northerly part of the state , although they are sometimes encounter in southern Wisconsin , too . These low - growing blueberries can best be distinguish by the leave-taking , which are placid along the edge , unlike other blueberries , which have sharply toothed leaf .

Hillside Blueberry

The uncommon hillside blueberry bush , also called the blue-blooded rooftree blueberry ( V. palladium ) , has only been recorded in Oconto , Marinette , Monroe and Green counties in Wisconsin . The leaves are large than other low - bush type blueberries and can be up to 2 inches long . It may flower as ahead of time as April , although May or June is more likely .

High-Bush Blueberry

Much taller than all the other wild blueberries of Wisconsin , high-pitched - bush blueberry bush ( V. corymbosum ) is a succinct , upright shrub that originate 6 to 12 feet tall . The flowers are pink , and the fruit is a flake larger than that of scurvy - bush eccentric blueberry . domesticate blueberry bush were deduct from untamed high - bush blueberry . High - bush blueberries mature wild in only a few county in southwestern Wisconsin , but across the state , people grow high-pitched - President Bush blueberries in gardens for their ornamental value and dulcet fruit .

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