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News & Events

Stay up to date with the latest from JARS Cannabis in Michigan, including event recaps, seasonal promotions, store openings, and community updates.

Michigan Locations

JARS Is Out All Summer

Catch the JARS team at select concerts and community events across Metro Detroit this summer. Stop by, say hello, and keep an eye out for JARS merch while you’re out enjoying the season.

Summer 2026

PROMO

710 Day at JARS

JARS Cannabis celebrated 710 Day across Michigan with limited-time savings on concentrates, vapes, and select brands from July 10 through July 12.

Customers shopped 30% off featured brands throughout the weekend, making 710 Day one of the biggest concentrate-focused promotions of the summer.

July 10 - July 12, 2026

PROMO

4th of July

JARS Cannabis celebrated the 4th of July with limited-time savings across Michigan locations, featuring select cannabis brands and products throughout the holiday weekend.

Customers shopped 40% off select brands on flower, vapes, edibles, concentrates, and more from July 2 through July 5 while supplies lasted.

July 2 - July 5, 2026

PROMO

Memorial Day

JARS Cannabis celebrated Memorial Day Weekend with limited-time deals across Michigan locations, featuring savings on select cannabis brands and products.


Customers shopped Memorial Day promotions on flower, vapes, edibles, concentrates, and more throughout the holiday weekend while supplies lasted.


May 22 - May 25, 2026

PROMO

Mother’s Day Deals at JARS

JARS Cannabis celebrated Mother’s Day with featured promotions across participating locations, highlighting premium flower, vapes, and infused products throughout the weekend.

Customers shopped 40% off select products from Spyder Legs, Jungle Juice, Mr. Vapor Soar, and Edible Gem, making it one of the standout promotional weekends of the season.


Mother’s Day Weekend | May 2026

EVENT

Deli Day at JARS: Michigan 2026

JARS Cannabis brought Deli Day to Michigan on May 3rd, giving customers a hands-on way to shop flower that you don’t get with prepack. Guests lined up early to browse jars, smell strains up close, and have their selections weighed fresh right in front of them.

The one-day event featured major promotions, including 50% off deli-style flower and a free eighth for customers.

With strong turnout and high demand throughout the day, Deli Day stood out as one of the most talked-about cannabis events at JARS, with many customers showing up early to take advantage before it was gone.

May 3, 2026

EVENT

420 at JARS Cannabis: Michigan 2026 Recap

JARS Cannabis celebrated 420 across Michigan with one of the biggest promotional events of the year. From April 17 through April 20, customers shopped 50% off select brands and explored a wide range of cannabis products from top industry partners.

The celebration also featured over 7,500 goodie bags distributed across participating locations, with strong turnout and lines forming early throughout the weekend. 420 continues to be one of the most anticipated events of the year at JARS Cannabis.

April 17 - April 20, 2026

PROMO

St. Patrick’s Day

JARS celebrated St. Patrick’s Day with a limited-time app-exclusive offer, giving customers a free deli 8th with purchase using code PATTY26. A one-day drop that added extra value to the holiday across select locations.

March 17, 2026

PROMO

Pie Day

JARS continued the momentum with a 314 Day promotion, offering 31.4% off storewide for one day. Inspired by Pi Day, the app-driven campaign followed 313 Day and extended engagement across all locations, reinforcing a strong back-to-back promotional push in mid-March.

March 14, 2026

PROMO

313 Day

Rooted in Detroit, JARS celebrated 313 Day with a one-day, app-driven promotion featuring 31.3% off storewide across all locations. Inspired by the city’s iconic 313 area code, the offer was available through the JARS app, with in-store access for customers who showed the app at checkout, blending digital engagement with in-store traffic.

March 13, 2026