Two different blueberry cultivars are recommended for cross-pollination purposes. Some cultivars are self-fertile and do not need two cultivars, but will produce larger berries when cross-pollinated. Choosing varieties that ripen at different times extends the harvest.
About this Author
Diane Watkins has been writing since 1984, with experience in newspaper, newsletter and web content. She writes two electronic newsletters and content around the web. Watkins has a Bachelor of Science degree in chemistry from Clemson University. She has taken graduate courses in biochemistry and education.