A plant's mature spread must fit its allocated area.
Well established · fatal if ignored → block
How it works
Geometry.
What to do about it
Reduce plant count, or choose a bush cultivar group.
The evidence
Evidence: settled without a trial - arithmetic.
Cite this page
Milpa Gardens. "A plant's mature spread must fit its allocated area." Evidence grade: Well established. https://milpa.garden/rules/plant-s-mature-spread-fit-allocated-area/
A garden-planning corpus: every claim states its evidence grade and links its sources on the page. Cite it with the grade, and add the date you read it.