Green Harbor operates as both a medical marijuana dispensary and wholesale cultivator in Massachusetts, providing patients with an extensive selection of naturally-grown cannabis flower and products, including top-quality edibles, extracts, and concentrates. Their primary location in Middleborough houses both their retail dispensary and state-of-the-art cultivation facility at 29 Abbey Lane, creating a vertically integrated operation.The company's product portfolio spans the full spectrum of cannabis offerings: dried flower, concentrated extracts ranging from liquid CBD oil to brittle shatter, topical creams and lotions, cannabis-infused tinctures, and THC and CBD-infused pills. While all flower at Green Harbor is self-produced, their menu also features edibles, vape carts, concentrates and more from other reputable Massachusetts cannabis brands like Sira Naturals, Pebbles, Garden Remedies and Cultivate.Their processing center is equipped with the latest closed-loop extraction systems, producing high-grade cannabis concentrates and oils with professional consistency. Beyond their retail operations, Green Harbor serves as a wholesale partner to dispensaries throughout Massachusetts, ensuring their products reach patients across the state while maintaining strict quality standards and compliance with state regulations.

Founded in 2019, Green Harbor emerged as a leader in Massachusetts' medical marijuana market with a clear mission to serve the Commonwealth's nearly 60,000 active medical cannabis patients. The company was established by reputable entrepreneurs with longstanding involvement in the state's pharmaceutical, medical, and commercial sectors, bringing decades of combined expertise to the cannabis industry.From day one, Green Harbor took a unique approach by building both their retail dispensary and full-scale cultivation and production facility at their 29 Abbey Lane location in Middleborough. This direct-to-consumer model set them apart in an industry where most retailers source from external cultivators.The company operates one of the most advanced cultivation sites in the state, allowing them to provide the local cannabis industry with quality and consistency at a price point that many cultivators cannot match. Over the past six years, Green Harbor has grown from a single-location operation to a wholesale partner for dispensaries across Massachusetts, while maintaining their commitment to quality and patient-focused service. Their evolution reflects the broader growth of Massachusetts' cannabis industry, positioning them as both pioneers and industry leaders.

Green Harbor exists to help people with debilitating medical conditions improve the quality of their lives with cannabis-infused medical products that work where other drugs and treatments often fail. The company's core mission centers on providing Massachusetts medical marijuana patients with quality products, excellent value, and knowledgeable customer service through their commitment to the therapeutic potential of cannabis.They navigate the highly regulated medical cannabis industry for their patients, offering Boston's medical marijuana community access to safe, high-quality cannabis products at competitive prices. Green Harbor is committed to maintaining compliance with the Massachusetts Medical Marijuana Program, which helps patients obtain safe, high quality cannabis products to treat a wide variety of conditions.Their values emphasize education, accessibility, and patient empowerment, with budtenders who hold a wealth of information about the subtle differences between cannabis strains, products, and delivery methods to optimize each patient's medical marijuana experience.

At Calm Effect, we're impressed by Green Harbor's commitment to true vertical integration and value delivery. What sets them apart is their direct-to-consumer model that allows them to provide unprecedented quality and value by controlling every step from cultivation to retail. This approach means better prices for patients and consumers - exactly what our deal-seeking community appreciates.Their state-of-the-art cultivation facility operates with advanced closed-loop extraction systems and industry-leading growing techniques, ensuring consistent quality that rivals much larger operations. We particularly value their educational approach, with knowledgeable budtenders who take time to guide both newcomers and experienced users through their extensive product selection.For deal hunters, Green Harbor represents the sweet spot of premium quality at accessible prices. Their wholesale partnerships mean you'll find their products at competitive prices across Massachusetts dispensaries, making them a smart choice for savvy cannabis consumers who refuse to compromise on quality for value.