Europe’s cannabis scene is buzzing like never before, and 2025–2026 promises a packed calendar of unforgettable weed conventions and festivals. Whether you're a green-thumbed grower, a savvy entrepreneur, or just here for the music and mellow vibes, the continent is rolling out events that appeal to all.

From Berlin to Bilbao, London to Zurich, you’ll find business lounges, consumption zones, hemp education hubs, and parties that go well into the night. So grab your calendar and dive into the best cannabis gatherings Europe has to offer.

Roll Into Europe’s Hottest Weed Expos and Festivals

Let's get to it! Scroll down to explore the best cannabis events in Europe.

The Cannabis Summit

The Cannabis Summit
  • Where: Honselersdijk, Netherlands
  • When: 7th March, 2025
  • Focus: Conferences, networking

The date for The Cannabis Summit has passed for 2025, but keep your eyes open for 2026 dates! This year, the event took place in the World Horti Centre, serving as a high-level business-to-business conference for industry leaders and professional service providers. With an aim to foster innovation, education, and collaboration, The Cannabis Summit of 2025 features a list of prestigious speakers, as well as panel discussions focused on sustainable cultivation techniques, an overview of the industry in the Netherlands, and investment strategies.

Spannabis

Spannabis
  • Where: Bilbao, Spain
  • When: 17–19th April, 2026
  • Focus: Exhibition

As one of the most popular events in the cannabis space, Spannabis has triggered an influx of cannabis enthusiasts into Barcelona on an annual basis for years. However, this huge exhibition is moving to Bilbao, situated on the north coast of Spain, in 2026. With 300 international exhibitors and almost 4,000 professional guests, Spannabis provides the perfect opportunity to explore cutting-edge developments in genetics and cultivation technology. You’ll also learn a thing or two from the scientists and political personalities at the adjacent World Cannabis Conference. 

Konopex Expo

Konopex Expo
  • Where: Ostrava, Czech Republic
  • When: 25–27th April, 2025
  • Focus: Cannabis products and treatment

Konopex Expo is a standout event for those curious about cannabis ointments, cosmetics, foods, and CBD products. Not only does this event give visitors access to a host of products, but it offers them at discount prices. Shopping aside, you can also bring a sample of your own flower along for testing in a mobile laboratory. Live music, competitions, and challenges add a big entertainment element to the experience. 

International Cannabis Business Conference (ICBC)

ICBC Berlin
  • Where: Berlin, Germany
  • When: 29–30th April, 2025
  • Focus: B2B, B2C

Equipped with several networking lounges, a social club, cannabis consumption lounge, medical-pharma zone, and a speaker’s hall, the ICBC serves as the perfect event to get elevated with the best in the industry and make those all-important business connections. This year, the focus will fall primarily on the recent legalization of cannabis in Germany, including an emphasis on seeds and clones, the future development of member-based cannabis clubs, and cannabis commerce pilot projects.

CannaTrade

CannaTrade
  • Where: Zurich, Switzerland
  • When: 29th–31st May, 2026
  • Focus: New products and innovations

Operating since 2001, CannaTrade continues to serve as an international hemp fair and festival for business people and consumers. The event boasts over 150 exhibitors from across the world, showcasing new products and innovations within the cannabis industry. These products fall into several key categories, including CBD and CBG, seeds and plants, vapes, food, medicine, growing gear, logistics, media, and art and games. The event features an exclusive business lounge for those looking to network, as well as a chill-out area for visitors looking for some downtime between scooping up some freebies and enjoying the music.

Mary Jane

Mary Jane Berlin
  • Where: Berlin, Germany
  • When: June 19th–22nd, 2025
  • Focus: B2B, expo, and festival

More than a mere expo, Mary Jane invites visitors to a full-blown festival experience. This unique event combines dancing with networking, hosting a range of exciting new musical artists alongside B2B opportunities with cannabis entrepreneurs and investors in an exclusive business lounge. With an estimated 60,000 visitors and 500 exhibitors, the 2025 event will go down as one of the biggest cannabis-themed gatherings in history.

Cannabis Europa

Cannabis Europa
  • Where: London, United Kingdom
  • When: 24–25th June, 2025
  • Focus: Cannabis industry development

Cannabis Europa ranks as one of the most prestigious marijuana events in Europe. Taking place at The Barbican, London in the summer of 2025, this gathering brings together over 1,500 influential leaders, including those from renowned cannabis companies, investors, and key politicians. Aiming to drive transformational growth, Cannabis Europa brings visionaries, policymakers, and business leaders into one place to help shape Europe’s future in the cannabis sector. Pay a visit, and you’ll hear from speakers including Omar Khan from High Times, the economist Marco Fugazza, and former members of the Houses of Parliament Steve Brine.

Product Earth

Product Earth
  • Where: London, United Kingdom
  • When: TBC
  • Focus: Sustainability in the cannabis industry

Product Earth stands proudly amongst all cannabis events as an ambassador for the environment. Since its inception in 2015, the event has celebrated hemp and cannabis culture through an eco-conscious lens. Focused on wellness, plant-based medicines, and the promotion of sustainable products, Product Earth features over 100 exhibitors, a seminar zone, and live music. Sadly, the event was cancelled on its second day last year following visitors smoking within the venue. So far, a date for 2025 hasn’t been released.

Cultiva Hanfexpo

Cultiva Hanfexpo
  • Where: Vienna, Austria
  • When: 3rd–5th October, 2025
  • Focus: Hemp exhibition, music, food

A leading hemp trade show, Cultiva Hanfexpo shines a light on all that this robust but often neglected plant has to offer, from cosmetics and textiles to food and construction. Home to the “hemp congress”, this event platforms speakers who educate the public on all things hemp. Alongside education, the event provides a range of CBD products, seeds, smoking accessories, and garden supplies. Visitors will also get to experience three days of live music, including reggae and hip-hop, alongside some delicious plant-based dishes and infused drinks.

Expogrow

Expogrow
  • Where: Irun, Spain
  • When: TBC
  • Focus: B2B, B2C, and education

This comprehensive event primarily serves as a professional fair for businesses and individuals involved in various aspects of the cannabis industry, including cultivation, production, and distribution. Featuring exhibitions from national and international seed banks, it draws in companies specialising in growing gear, vapes, and other cannabis-related products. Away from its business side, Expogrow also aims to educate and inform the public with conferences on medical cannabis and industrial hemp. The organisers have been on hiatus since 2023 in order to reimagine the future of the event, with no date released for a comeback during 2025.

Best Cannabis Events in Europe: Get Some Dates in Your Diary

There you have it! You’re now clued up about the very best cannabis events taking place across Europe. If you’re serious about business and networking, make sure to keep an eye out for The Cannabis Summit’s return in 2026.

If you’re all about chill vibes and fun times, then get yourself to Konopex or Spannabis! Whether you’re a budding entrepreneur or simply a cannabis enthusiast, there’s something above for everyone. You’ll also find the Royal Queen Seeds team at top events like Spannabis, ICBC, and Mary Jane—come say hi and grab some exclusive goodies!