This is so stupid.
His choices up to this point only make sense with what he learned just now.
In previous chapters, there's no point in his strategy of "gathering herbs>convert to seed>plant and grow>sell" instead of directly selling the herbs. One herb only gave one seed, so there's no profit, and he only learned that it increased its quality NOW.
Let's say I'm wrong, and one herb gave multiple seeds. Then why didn't he plant the recovery herb to get more BEFORE making medecine with it?