This paper evaluated the quality of blueberry cultivars in Sichuan province to select the high-quality blueberry cultivars suitable for planting in Sichuan province and provide a reference for its deep production. Taking Springhigh, Farthing, Snow chaser, O’Neill, Emerald, and Misty as the research objects, the appearance, flavor quality, and nutritional composition of the blueberry fruits were measured and analyzed. The comprehensive fruit quality of six blueberry cultivars was ranked by principal component analysis (PCA). Then, the aroma components of blueberry fruits were investigated by GC-MS. As a result, the single fruit of Springhigh was the biggest with 2.33 g, and Snow chaser was the smallest with 1.21 g. The content of anthocyanin and flavonoids of Snow chaser was the highest, with an average of 256.96 mg/100 g FW and 411.61 mg/100 g FW, respectively. The sugar-acid ratio of Farthing was the highest, which reached 62.31. According to scores of comprehensive quality traits in PCA, the highest rank was Springhigh, followed by Farthing, Emerald, O’Neill, Misty, and Snow chaser, which suggested that the comprehensive quality of Springhigh and Farthing was better than that of other blueberry verities. The category and content of aroma compounds in these six blueberry cultivars were different, in which 15 common aroma compounds and seven specific-variety aroma compounds were identified. The results obtained lay a foundation for breeding and comprehensive utilization of blueberry in Sichuan.
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