What are the age limits for purchasing cannabis?

The Alberta Gaming Liquor and Cannabis Commission regulates the sale of cannabis to minors:

As per Section 90.04 GLCA, it is an offence to give, sell, or provide cannabis to anyone under 18 years of age. Management and staff of a licensed cannabis premises are responsible to ensure cannabis is not sold or provided to minors.

To learn more, visit: https://aglc.ca/cannabis/cannabis-legislation-and-policies/cannabis-handbooks/retail-cannabis-store-handbook/rcsh-minors

https://www.alberta.ca/cannabis-framework.aspx#p6241s1