Elderflower Bubbly is on tap at the Greenwich taproom of Argyle Brewing. Yes! They'll pull a glass of the bubbly right off the wall for you. You will also find bottled Elderflower Bubbly and Elderberry Red at ABC.
Here is the Greenwich taproom:
And here is the Cambridge taproom:
The 2018 growing season was superexcellent. Both flowers and berries were abundant and of high quality. Ehrlich Brothers looks forward to the 2018 vintage, and assures you all that the elderflower and elderberry wine-drinking future is secure.