This bush is 2 or 3 meters away from a Concord grape vine(to the north of the blueberry) and a rhododendron (to the south). The grape has fruited nicely (and the peach fruited heavily about 10 meters away) so I don't question the year's weather much. The rhododendron has thrived for 7 years now so I don't suspect a lack of acidity - a few mature spruce near by. I did buy this a a bigbox store so maybe the cultivator isn't great for the area but I've forgotten the name. Anyone good with blueberries?