▁count ies ▁in ▁Rh ode ▁Island ; ▁and ▁Bar n stable , ▁Br istol , ▁D uk es , ▁N ant uck et , ▁Nor folk , ▁and ▁P ly mouth ▁count ies ▁in ▁Massachusetts . ▁ ▁The ▁area ▁st ret ches ▁from ▁just ▁south ▁of ▁Boston , ▁Massachusetts ▁in ▁the ▁east ▁to ▁New ▁London , ▁Connecticut ▁in ▁the ▁west , ▁and ▁includes ▁all ▁of ▁the ▁coast al ▁islands ▁and ▁coast al ▁plain ▁within ▁ ▁of ▁Long ▁Island ▁Sound , ▁Cape ▁C od , ▁or ▁Massachusetts ▁Bay . ▁ ▁The ▁climate ▁in ▁the ▁area ▁is ▁heavily ▁influenced ▁by ▁the ▁nearby ▁presence ▁of ▁the ▁ocean ic ▁waters , ▁which ▁moder ate ▁the ▁range ▁of ▁temper atures ▁in ▁the ▁v ine y ards . ▁ ▁Most ▁v int ners ▁in ▁the ▁area ▁have ▁had ▁the ▁best ▁success ▁with ▁cold - cl imate ▁Vit is ▁vin if era ▁and ▁French ▁hy brid ▁gra pe ▁vari et als . ▁The ▁region ▁is ▁located ▁in ▁hard iness ▁zones ▁ 7 a ▁and ▁ 6 b , ▁with ▁ 7 b ▁found ▁in ▁Ch ath am ▁on ▁Cape ▁C od ▁and ▁areas ▁of ▁the ▁north ▁and ▁east ▁coast s ▁of ▁N ant uck et . ▁ ▁References ▁ ▁Category : American ▁Vit icult ural ▁Are as ▁Category : Ge ography ▁of ▁Bar n stable ▁County , ▁Massachusetts ▁Category : Ge ography ▁of ▁Br istol ▁County , ▁Massachusetts ▁Category : Ge ography ▁of ▁Br istol ▁County , ▁Rh ode ▁Island ▁Category : Connect icut ▁wine ▁Category : Ge ography ▁of