A digital garden is an ever-evolving place on the internet that you tend to regularly. It is less fleeting than a tweet but less structured than a formal blog. It can grow with your thoughts and opinions.
Some of the most notable are from Maggie Appleton and Tom Critchlow:
Tom Critchlow - Move. Think. Create.
A digital garden is generally, loosely structured, in the form of topics → essays → notes. Notes and essays have statuses that hark back to gardening. — seedling, budding, and evergreen.
Other Sources: