One day, Gretchen Perbix's husband came in from the couple's orchard and handed her an apple to try.
"It took a bite out of it," she said, "and I spit it out and said, 'That's terrible.' "
It was an Ellis Bitter. Good heirloom cider apples — actually termed "spitters" by insiders — are "bittersharp" and "bittersweet" varieties that have an array of tannins and acids. They're not good eating apples, but those qualities make them ideal for producing complex, winelike cider.
Gretchen and Mike Perbix run Sweetland Orchard, an orchard and cidery near Northfield. They recently started experimenting with growing some of these traditional cider apple varieties, with names like Kingston Black, Chisel Jersey or Yarlington Mill.
"All the names sound kind of fanciful," said Gretchen. "They're the ones that make interesting flavors."
The Perbixes are eager to get their hands on some of these varieties, as they just started wholesaling their hard cider this year. They began producing it three years ago, with an initial batch of 75 gallons. This year they hope to produce 14,000 gallons.
"We could use just as many as we could get," said Gretchen.
That jump mirrors the state and the rest of the country. Gretchen Perbix is working on a study with the Minnesota Department of Agriculture to measure the hard cider industry's growth. An initial survey of the state's nine producers showed that in 2014, Minnesota's total hard cider production should double that of 2013. In five years, producers plan to quintuple 2013's output.