St. Louis cannbis culture has grown tremendously. A few years ago you could only find a handful of events happening in the month of April. Now April is officially the biggest month for cannabis events in St. Louis , and 2026 is bringing next-level energy. From 420 weekend festivals  to infused food competitions to street festivals , parties, dispensary pop-ups, and exclusive experiences—this is your ultimate guide to the best 420 events in St. Louis . If you’re searching for

3rd Annual Ultimate Infused Showdown (Now accepting competitors) Think your infused dish has what it takes? The Ultimate Infused Showdown  is St. Louis’ premier cannabis food competition , where top chefs and creators go head-to-head for up to $1,000 in cash prizes , custom trophies, gift bags, and serious bragging rights— in front of 200+ foodies . If you’re ready to compete, here’s exactly how to qualify and win. Who Can Enter To keep the competition elite and compliant, al

St. Louis, it’s your time to cook, create, and win up to $1,000 in cash prizes —plus custom trophies , gift bags , media love, and bragging rights at the city’s largest cannabis food competition . If your brand brings the most crave-worthy cannabis-infused sweets, or do you have boundary-pushing technique and unexpected, unforgettable flavors apply now  to join the Ultimate Infused Showdown . Why compete or vend? $1K+ cash prizes  for winners Custom trophies  by Archway Engra

Level up your St. Louis cannabis food  experience with the Pot Chef Club . Our 2026 memberships unlock the best prices and perks at every 420 foodie fest : Ultimate Infused Showdown (Apr 19) , Munchie Market – Summer (Jul 5) , Blazed & Infused (Sep 6) , Danksgiving (Nov 22) , and Munchie Market – Holiday (Dec 13) . Why join the Pot Chef Club Early-bird tickets & presales  for all St. Louis cannabis events Line-skip / member check-in  (faster entry = more tasting time) VIP upg