Technical Abstract: `Elliott' is a temperate region northern highbush blueberry (Vaccinium corymbosum L.), and is the latest ripening of all highbush cultivars. In New Jersey, it is typically 50% ripe by July 25, with a 78 day ripening interval. It has a 4 to 5 week harvest season and is well-suited to providing late season fruit for the fresh market. With its late ripening season, `Elliott' launched controlled atmosphere storage in blueberries. `Elliott' fruit is inherently acidic and is slow to sweeten. A survey of organic acid composition showed `Elliott' highest in total organic acid, and highest in relative citric acid composition. Among 87 highbush cultivars, `Elliott' ranked second for antioxidants with levels approximately double the mean of the group. `Elliott' is high yielding, consistently outyielding `Bluecrop' in several regions. Production in Michigan approximates 6 T/acre, and in Oregon it is approximately 10-12 T/acre. `Elliott' is highly resistant to the blight stage of mummy berry and to anthracnose fruit rot, but relatively susceptible to the fruit infecting stage of mummy berry. It is susceptible to a symptom known as "fruit shrivel," in which a deficit of water flow within the plant causes the fruit to shrivel. Studies have shown a physical disruption of the phloem and a pitting of the xylem in fruit peduncles, but no fungi have been linked to shriveling. This syndrome has been observed in Michigan, and with varying severity in other regions.