Hi there! Here's an article on our website that mentions 5 strains good for focus & productivity. The strains Papaya and Canna-Tsu are suggested as good for ADHD.
In addition, I encourage you to check out this search feature on our website. We have a lot of content on our website re: ADHD & cannabis.
https://www.hellomd.com/search?term=adhd
I hope that helps!
melissa