Here are some detail images from Private Gardens of Connecticut by Jane Garmey and all photographs by John M. Hall.

Stone fountain covered in algae. The delicate plant is papyrus. Boxwoods in urns flank an opening in the hedge.

Clipped Hornbeam within a boxwood parterre.

A natural waterfall with ferns, evergreens and moss.

Large azalea (purple) with Peonies and a stone wall in the foreground.

Boxwoods in turf used as sculpture.

Mixture of Hostas with Hakonechloa.