HIGH BUSH VARIETY
The high bush blueberry was the first to be domesticated and cultivation began as early as the 18th century. These berries were bred for their size and taste, resulting in the mammoth berries you see today. There are many varieties of blueberries, but the most common one you see is the Vaccinium corymbosum or the Northern High Bush Blueberry.
At Muddy Crops we get our wild blueberries from foragers north of the city. Now, we don't know where the blueberry bushes are located exactly (they won't tell us!), but we do know that they grow on Crown Lands in Ontario. These are large, undeveloped wildlands which are owned by the state but open to the public.
Foraging is hard work and involved hiking through rough terrian. This is why the price is so high early in the season: it takes much longer to fill a basket when the bushes are just starting to yield, so the foragers have to trudge around all day and visit more bushes. So, if you see tiny blueberries whose price is a little too good to be true, it's possible they may be cultivated. Not that there is anything wrong with that, just beware of false advertising!
LOW BUSH VARIETY
The low bush blueberry is smaller, sweeter and is what is generally known as the "wild" blueberry. What most people don't know is that while blueberry-picking is still done the good old fashioned way (foraging in the wild with a basket), conventional cultivation is increasing all the time. In Quebec, for example, only 20% of low bush blueberries were still being picked in the wild. A lot of places still maintain a certain degree of "wildness" by limiting certain practices, but they will still in general do some maintenance on the plants.