Top Rated Weed Businesses in Groton, Massachusetts (2026)

The highest-rated weed-related businesses in Groton, Massachusetts, ranked by customer reviews and overall rating. Updated 2026-05-20.

  1. #1

    United Cultivation Weed Cannabis Dispensary

    4.9 ★★★★★ (84)

    489 Main St A, Groton, MA 01450, USA

    Cannabis store

    "Great dispensary with great prices! If you haven’t been here for a bit, definitely give them another shot. I used to come here and found their selection and prices to not be the best…they have..."

    — Kevin Kane
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  2. #2

    Tree House Craft Cannabis Groton

    4.7 ★★★★★ (51)

    1 Forge Village Rd, Groton, MA 01450, USA

    Cannabis store

    "Incredible how all 3 locations are so good, and this one is the best, i'd say! The manager is an amazing person. They have an incredibly vast selection of gummies , good flower too. Peaceful creative..."

    — Nicholas Ouellette
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How We Rank Listings in Groton

Our top-rated list is based on customer ratings and review volume. Sponsored listings do not influence rankings on this page. Businesses are ranked by average Google rating, with review count used as a tiebreaker.