Strain | A.D.D. Published March 18, 2017 by Texas Health Co-op Next Generation S.C. has a Cannabis strain called A.D.D. that takes approximately 70 days to flower and on average costs around $1800 per pound (wholesale) in California. Published in A.D.D. and Next Generation S.C. A.D.D., Next Generation S.C., 70 days to flower Previous Post Strain | A-K Next Post Strain | A.M.S.