When growing autoflower seeds you may find some plants will be ready to harvest a week or two before the slower phenotypes. The experienced grower understands the various environmental, nutrient and lighting requirements at the various stages of cannabis growth. I see that dill seed is frequently suggested as a substitute for the heads but can you use dill weed.  Source: <a href="http://garbersports.com/?p=8544" rel="nofollow">http://garbersports.com/?p=8544</a>