So Blueberry is perhaps not the best choice for rookie growers, I know people who only ever grow this variety but do so with the benefit of many years experience and have never seen hermie issues. Continue to 21 of 35 below. Make sure the temperature is neither cold nor warm.  Source: [url=https://academicexperts.org/discussions/18809/]https://academicexperts.org/discussions/18809/[/url]