Maine Cannabis Convention
What: NECANN's Maine Cannabis Convention
When: October 5, 11 am-5 pm; October 6, 10 am-3 pm
Where: Portland Sports Complex, 512 Warren Ave., Portland, Maine
How much: $20-$35
Info: The 5th Annual Maine Cannabis Convention features panel discussions on two tracks: Business/Innovation and Medical/Recreational. One of 11 legal cannabis states in the country. recreational stores have yet to open.