Quote:
Originally Posted by stevelau1911
These are supposed to be a mixture of northern and southern highbush varieties and I plan on applying a layer of pine mulch once they get a bit taller. As far as winter protection, I don't think that should be an issue for the ones that are only hardy to zone 7 since this area is fairly well protected from the wind and snow tends to drift there and my larger blueberry bushes didn't get fazed by last winter at all.
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The northern blueberry species and european species require a pH below 5.5, preferably around 5.2. The southern highbush and rabbit-eye hybrids will not tolerate this, they function well at a pH of about 5.8 to 6.0. Both of them will rapidly decline in the presence of too much nitrogen in the Nitrate form.