Hartogensis followed the Romantic tradition of idealised nature. He painted forest views and winter scenes with a focus on light and shadow. His compositions often feature small figures to show the scale of the trees. He used thin glazes to build up the atmosphere of a cold morning or a summer afternoon. His brushwork was precise. He captured the texture of bark and the clarity of frozen water without relying on dramatic effects.

These prints offer a sense of calm. The muted colour palette of his winter scenes fits well with contemporary interior design. Modern collectors appreciate his technical skill and the quiet mood of his work. His work provides a window into the nineteenth-century Dutch countryside. This makes his art a classic choice for a study or a living room.