Q.Lemon Cypress Pot
I just bought a lemon cypress 4 inch pot few days ago and when I touch it it feels brittle and the leaves fall off when I touch it. The plant is moist

Certified GKH Gardening Expert
Brittle leaves do tend to indicate stress or death. It is important to take care not to overwater the tree. They are very prone to overwatering. This is the most common cause of death.
Be sure that the soil is well draining, and that the tree is only watered when the soil is dry halfway down into the container, completely.
This article will help you to grow this tree:
https://www.gardeningknowhow.com/ornamental/trees/cypress/lemon-cypress-care.htm