Driftwood Yarns 1 Fort Hill Rd, Groton, CT 06340 . www.driftwoodyarns.com 860-415-8118 11th Anniversary Sale! 20% Off Everything in Store on Saturday, March 22nd. Stop in for a lovely selection of yarns and notions. Driftwood Yarns 1 Fort Hill Rd , Groton , CT 06340 . www.driftwoodyarns.com 860-415-8118 11th Anniversary Sale ! 20 % Off Everything in Store on Saturday , March 22nd . Stop in for a lovely selection of yarns and notions .