Still on the Quest

Given the natural restriction I think most of us would assume against growing crops on graves and the general food needs of hobbits, whether the burial grounds were churchyards or not I'd expect them to be of limited size -- particularly if they are near enough to villages for the kind of small visits relations might make to the grave of a beloved elder. The English had plenty of woodland if they'd been inclined to place graves higgledy piggledy across the countryside too.

Authentic folklore tends to include a lot of details more genteel literature does not -- well, except for Chaucer, who still put the farts and crudities into the voices of the lower classes...