There is no real/agreed-upon definition for a digital garden. Instead, there is a certain flavor of note-taking and blog publishing that is associated with the term. An aura, if you will. Like dark academia or cottagecore, digital gardening is an internet aesthetic for nerds, knowledge workers, and internet philosophers, and thus has fuzzy edges.
Sites that self-identify as such often feature
liberal usage of linking between pages, posts, and outside sources
much less structure than traditional blogs. In particular, little to no concern with the chronological ordering of content
Mark Bernstein’s Hypertext Garden, often cited as the first instance of a digital garden. A pondering on the structure of information in websites, expectations of designers and visitors, and ways to organize material in an engaging manner.