This checkoff list could be used by a scribe to keep track of which Scouts have earned which merit badges or could be used by an individual Scout.
Landscape Architecture Merit Badge
Landscape architects design and plan the various outdoor spaces in modern communities – neighborhood parks, soccer fields, school grounds, places of worship, office parks, shopping malls, cemeteries, and lakes – creating outdoor places that people will care about and want to visit.
Printable helps for requirements:
A reader asks about how old a Scout should be to work on a merit badge. The Guide to Advancement provides some answers.