Posting to follow. We drink a LOT of tea (both real tea and herbal 'tea'), and this year I'm planting a wide variety of herbs: chamomile, lemon grass, lemon balm, hyacinth, mint, etc.
We have very well established ornamental camellia sinensis shrubs here (zone 7a). They do very well, so I am going to research whether we could also grow a good drinking variety.