Recreational marijuana is legal today in Michigan. Here are 5 things to know before lighting up.

Michigan’s recreational marijuana law, officially known as the Michigan Regulation and Taxation of Marijuana Act, goes into effect today. Well, part of it, at least.

Voters passed Proposal 1 last month, making Michigan the first Midwestern state to legalize recreational marijuana.

But not everything goes into effect right away. Here are five things you need to know before lighting up this week.

1. You can smoke weed, but you can’t buy it

Starting Thursday, Dec. 6, it is legal for anyone over 21 years old to grow, consume, and possess marijuana, but not purchase or sell it.

In other words, if you already have marijuana more at