The large number of farming districts has led to a blossoming of knowledge of plants for health, sustenance, and medicine. With the empire at peace and stable enough to support such a move, never before has there been a better time to make official the status of your most learned brothers and sisters. Do you wish to found such a caste?
We should use this time of peace and plenty to instead focus on better-trained armies.
It seems prudent to have wise men and women who know crops among our population.
Not only should such a caste be established, as Celts our priority should be spreading their wisdom.