Yarn: Cascade Longwood, a soft, superwash merino. If it matters to you, note that the Peruvian-milled and more recent Chinese-milled stock have different gauges, with the Chinese being thinner last I bought any. Their 220 yarn, too.
And if you’re curious, NPR has a story here of how cultivated blueberries came to be. It took one determined woman a hundred years ago with just enough information, a little land, luck, help, and a whole lot of determination.
And neighbors willing to take walks through the woods.