From just pictures it is difficult to tell what might be affecting your tree. There are diseases, insects, or even environmental factors that can cause browning of branches and foliage.

Canker disease turns old foliage yellow and brown and often has oozing from places in bark. It appears after it rains. See Cypress - Canker. Root rots are usually found in the soil and there are several pathogens which after affecting the roots cause the foliage to lose color, brown and eventually die. See Cypress - Root Rot for more information.

Cypress trees are not known for many insect problems, but diseased trees are more suspectable to insect infestations and damage. Spider mites, scale and aphids are possibilities. Information on cypress pests can be found at this website Pests in Gardens and Landscapes - Cypress.

Wind or sun damage or too much or too little water are just a couple of the environmental factors that could also be affecting your tree. The publication Why Are My Trees Dying? has more weather conditions that may harm the health of trees.

If you would like to find out more about what might be wrong your baby blue dwarf sawara cypress, contact your local Extension office. The Lane County Extension office at 996 Jefferson, Eugene, is open (masks required) for you to bring by a sample of the tree, additional pictures, and answer questions on the history of the tree to help further diagnose which of the above problems may be causing the damage to your tree.