Medical Marijuana Card application clinics will be held in August and September for clients interested in applying for a Medical Marijuana Card. A licensed physician will be on duty from 10 am until 4 pm to certify and register those applying for a card. See qualifying conditions and what you need to bring to the clinic on the web at email@example.com. The next Green Clinic will be held at Grow Tree Smart 11 North Main Street in Butler. Walk-ins will be treated as first come first serve. To schedule an appointment contact Green Tree Smart in advance 816-514-0023 . Future Clinics are set for August 7th, August 21st, September 4th and September 19th. Hours are 10 am until 4 pm on those dates.