What causes leaves of Italian Cypress to turn brown when it is getting sufficiant water?

Brown leaves on Italian Cypress can result from several factors despite adequate watering. One common cause is root rot due to poor drainage or overwatering, which can lead to fungal infections. Additionally, environmental stressors such as extreme temperatures, drought conditions, or exposure to pollutants can also contribute to browning. Nutrient deficiencies or pest infestations may further exacerbate the issue, affecting the plant's overall health.