[[Basic Fertilizer]] and [[Quality Fertilizer]] only affect the first berry from every harvest, which means 2 out of 3 berries harvested from each bush are going to be regular quality crops. That makes [[Speed-Gro]] an optimal fertilizer for this crop, as it gives one extra harvest before the Fall (assuming planting on day 1 of the summer), increasing season earnings from Blueberry by 25% compared to at most 6% with [[Quality Fertilizer]].<ref name="qual_price" /> | [[Basic Fertilizer]] and [[Quality Fertilizer]] only affect the first berry from every harvest, which means 2 out of 3 berries harvested from each bush are going to be regular quality crops. That makes [[Speed-Gro]] an optimal fertilizer for this crop, as it gives one extra harvest before the Fall (assuming planting on day 1 of the summer), increasing season earnings from Blueberry by 25% compared to at most 6% with [[Quality Fertilizer]].<ref name="qual_price" /> |