Some herbs cannot be bought from the farming shop; they can only be acquired as drops throughout the personal quest and various rooms in the tower (and those rooms adventure counterparts.) The first such example is Lavender but there are many more.
Drop Locations Edit
|Location||Herb Type||Base Drop Chance||Noteworthy Drops|
|Floor 3 Room 3||Lavender||Agrimony Seeds, Juniper|
|Floor 4 Room 3||Lavender|
|Floor 6 Room 2||Chilli, lavender|
|Floor 7 Room 3||Cardoon|
|PQ lv. 70-84||Celery|