Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Open Spaces and Site Elements (hierarchy name )
5. open spaces
6. [open spaces by form]
7. gardens (open spaces)
8. [gardens by product]

Anotations

Scope note:

Gardens in which primarily herbs are grown, often for flavoring food or making perfumes and medicines. For buildings or areas within buildings containing a systematically ordered collection of preserved plants, use "herbaria."