Which wine from Oregon showcases delicate aromas and flavors of watermelon and rhubarb?

The wine from Oregon that showcases delicate aromas and flavors of watermelon and rhubarb is Pinot Noir from the Willamette Valley. This region is renowned for producing high-quality Pinot Noir, which is often characterized by its fruit-forward profile, exhibiting notes that can include vibrant red fruit like watermelon and tart flavors reminiscent of rhubarb. The cool climate and diverse terroir of the Willamette Valley allow for the development of these delicate and nuanced characteristics in Pinot Noir.

The other options do not accurately reflect the flavor profile associated with Oregon wines. Brut Cava and Vintage Brut, while they may have fruit notes, are typically sparkling wines from Spain and Oregon respectively, focusing more on crispness and toastiness than specific red fruit aromas. A red blend like Coppola Claret will generally consist of various varietals, which may not emphasize the specific delicate fruit notes typical of a standout Pinot Noir from Oregon.