I'm toying with the idea of a herb wheel! I reckon wheel will be about 8'0" diameter. What would be the most suitable tall-ish herb for the middle? Thought about a clipped Bay tree?

Any other ideas/recommendations particularily about setting up a herb wheel would be appreciated!

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My Majesty made for him a garden anew in order
to present to him vegetables and all beautiful flowers.- Offerings of Thutmose III to Amon-Ra (1500 BCE)