Top Cannabis Events to Attend in Massachusetts in 2025

If you’re into cannabis as a business owner, industry pro, or just someone who enjoys the culture—Massachusetts is the place to be in 2025. The state has can’t-miss cannabis events that range from massive conventions to relaxed outdoor festivals.

These gatherings are more than just fun (though they’re definitely that too). They’re a chance to meet like-minded people, discover the latest Massachusetts medical marijuana trends, and stay ahead of the industry curve. If you want to grow your business, try new products, or advocate for cannabis reform, there’s something for you!

So, why should you check out these events? Let’s break it down. 🌿

Why Attend Cannabis Events in Massachusetts?

Participating in these events offers several advantages:

• Networking with Industry Leaders: If you’re in the cannabis business (or want to be), these events are the perfect place to connect with dispensary owners, growers, investors, and brand leaders. It’s an excellent place for business opportunities, partnerships, and expert insights.
• Educational Insights: Cannabis laws, market trends, and scientific discoveries constantly change. At these events, cannabis professionals provide educational insights, sharing updates on new laws affecting the industry, innovations in cannabis tech, or medical cannabis research.
• Discover the Newest Products & Innovations: Ever wanted to try new cannabis strains before they hit dispensary shelves? Or get hands-on with the latest cannabis gadgets and accessories? These cannabis events showcase the best new products, often with exclusive launches and samples, making them a great way to stay ahead of trends.
• Socialize With the Cannabis Community: Cannabis is more than just an industry—it’s a movement. These events celebrate cannabis culture through live music, art, social lounges, and advocacy panels. Here, you can learn about cannabis activism, enjoy a 420-friendly festival, or join discussions on the future of legalization; there’s an event for everyone!

Top Cannabis Events in Massachusetts for 2025

1. NECANN Boston (New England Cannabis Convention)

Dates: March 21-22, 2025

Location: Hynes Convention Center, Boston, MA

NECANN Boston is the largest cannabis convention in the Northeast, bringing together over 300 exhibitors and 60+ educational sessions in 2025. The event features the latest research and technologies in cannabis cultivation, retail, technology, and wellness, making it a hotspot for industry trends and emerging products.

Cannabis conferences like NECANN Boston are structured events designed for professionals within the industry, including policymakers, entrepreneurs, and investors. You’ll experience a massive expo floor packed with the latest brands and attend expert-led panels on cannabis policy and business strategies.

It’s a great place to discover new investment opportunities. The convention will showcase the advancements in medical cannabis, social equity programs, and sustainable cultivation practices.

For more details and registration, visit the official website: necann.com

2. The Harvest Cup

Dates: November 8-9, 2025

Location: DCU Center, Worcester, MA

The Harvest Cup is New England’s top cannabis competition, where the best growers and product makers compete to see who comes out on top. Entries span multiple categories, including flowers, concentrates, edibles, and topicals, allowing participants to showcase their skills.

But it’s more than just a competition—it’s a celebration of cannabis culture and innovation. As one of the premier cannabis conventions, the event fosters community, knowledge-sharing, and networking.

It also features vendors, educational seminars, and networking opportunities. This makes it a great place to learn, connect, and explore the latest in the industry. If you’re into cannabis, this is one event you don’t want to miss.

For more information on participation and attendance, visit theharvestcup.org

3. Flower Expo Massachusetts

Dates: June 4-5, 2025

Location: Franklin County Fairgrounds, Greenfield, MA

The Flower Expo is the go-to cannabis trade show in the Northeast, bringing together top brands and buyers in one place. As a multifaceted cannabis expo, it promotes community engagement, brand awareness, and knowledge sharing within the cannabis industry.

In 2024, it featured 150+ brands and reps from 300+ dispensaries, making it a key event for the Massachusetts cannabis market.

Beyond business, there’s plenty to explore—new products, interactive brand experiences, and live entertainment all add to the energy. You’ll also discover the latest in cannabis and connect with industry leaders. The Flower Expo is the place to be come June 2025.

Stay updated on the 2025 event details by visiting: theflowerexpo.com

4. Boston Freedom Rally

Dates: September 19-20, 2025

Location: Boston Common, Boston, MA

The Boston Freedom Rally is one of the biggest cannabis advocacy events in the U.S., bringing together a passionate community pushing for progress in marijuana laws. It’s more than just a rally—it’s a celebration of cannabis culture, complete with speeches, live music, and a welcoming crowd.

Every year, advocates, activists, and supporters gather to raise awareness, spark conversations, and promote change in cannabis legislation. You can attend to support the cause, enjoy the atmosphere, or connect with like-minded people. The Boston Freedom Rally is an event that truly brings the cannabis community together.

For more information, visit the Massachusetts Cannabis Reform Coalition’s website: masscann.org

5. Best in Grass Massachusetts 2025

Key Dates

• March 3-5 – Manufacturers drop off their products at Suncrafted Farms, Middleborough, MA
• March 10-12 – Products are distributed to participating retailers
• March 15 – Judge Kits are made available for purchase to actual consumers, including you!
• May 18 – Judging deadline
• June 10 – Winners announced at the live event

The Best in Grass Awards spotlight the top licensed cannabis products in Massachusetts. Brands submit their best flower, edibles, concentrates, and more, and actual consumers (like you and I) get to judge them by purchasing special Judge Kits from select dispensaries. You will review and score the products based on quality, flavor, effects, and other factors by May 18.

After months of testing and reviews, the competition wraps up with a live awards show, celebrating the best products in the state. It’s a unique way to get involved, try top-tier cannabis, and have a say in which products take home the title!

To participate as a brand, judge, or attendee, check out bestingrass.io

Tips for Attending Cannabis Events

If you’re planning to check out a cannabis event in Massachusetts, a little prep can go a long way. Here are some simple tips to make sure you have a great time:

1. Plan Ahead –  These events can get busy, so register early to secure your spot. Check the event schedule in advance and list speakers, exhibitors, or sessions you don’t want to miss. Some events have VIP passes or early access options—if that interests you, grab them before they sell out!
2. Know the Rules – Massachusetts has strict cannabis laws, so it’s good to know what’s allowed at each event. Some places allow consumption in designated areas, while others don’t. If you’re considering bringing or buying products, ensure they’re legal and within the event’s guidelines. These rules apply to many recreational activities, including the best outdoor spots in Brockton to relax and unwind with medical cannabis.
3. Network, Network, Network – Whether you’re looking for business connections, new opportunities, or just cool people to chat with, cannabis events are full of interesting folks. Bring business cards (or just have your social media ready to swap info). Don’t be shy—most people are there to connect!
4. Follow Event Policies – Every event has its own rules, especially when sampling products, consuming onsite, or bringing your own cannabis. Respect the guidelines so everyone can have a smooth and enjoyable experience.

Need a Medical Marijuana Card Before Attending?

If you’re thinking about getting a medical marijuana card in Massachusetts, Medwell Health & Wellness makes the process easy. Our team of compassionate doctors can help you get approved quickly and legally. We offer same-day telemedicine appointments so that you can consult with a licensed practitioner from the comfort of your home. Schedule your consultation today and take the next step toward wellness.