#1 is Chamaecyparis pisifera 'Boulevard' or other similar juvenile-foliage Sawara Cypress cultivar. #2 is a Lawson's Cypress Chamaecyparis lawsoniana cultivar. #3 is an Alpine Juniper Juniperus communis subsp. alpina. #4 another Alpine Juniper, or a Flaky Juniper Juniperus squamata; pic quality isn't quite good enough to tell which.