No plant time is spent adapting during repeated transplants, allowing your auto to reach maximum potential. Preen Extended Control Weed Preventer provides protection from new weeds for up to 6 months and is labeled for use around 600 plants in perennial flower beds; around groundcovers, trees, and shrubs; and in xeriscape settings and rock gardens. For something even more exotic but easier to grow , Cherry Blossom is a good option.  Source: <a href=http://pandyapowertech.com/2013/12/30/one-of-the-best-marijuana-seed-financial-institution-in-the-usa/>http://pandyapowertech.com/2013/12/30/one-of-the-best-marijuana-seed-financial-institution-in-the-usa/</a>