Bluetta is a standard early-season blueberry variety recommended for Pennsylvania by the Penn State College of Agricultural Sciences. Bluetta blueberry plants are low- growing, compact and spreading. The plants have an average growth vigor and produce fair-flavored, medium-sized, blue-black, soft fruit. Bluetta blueberries stay on the plants for a prolonged period of time. The plants however do not perform well as consistent producers. The variety is cold hardy and does not break its dormancy prematurely. The berries are resistant to mummy berry disease but highly susceptible to red ringspot virus and anthracnose.
Polaris blueberries are a new cold hardy blueberry variety recommended for Pennsylvania by the Penn State College of Agricultural Sciences. The plants have a moderate rate of production and produce average-sized, strong-flavored fruit with a good aroma. Polaris blueberry plants are not self-pollinating. The berries are ready for harvest during the early part of the blueberry harvest season. Polaris blueberry plants grow to a mature height of 3 to 4 feet and have an upright growth habit. The leaves of the blueberry plants turn red during fall.
Sunrise blueberries are also a new release cited as a good choice for growing in Pennsylvania by the Penn State College of Agricultural Sciences. Sunrise blueberries grow on tall, vigorous bushes with a size and color similar to Bluetta. Firmness and flavor of fruit is superior to Bluetta. The berries are resistant to the red ringspot virus.