How much water do leylandeii drink?

Leylandii trees can consume a significant amount of water, particularly during the growing season. On average, a mature Leylandii can drink anywhere from 20 to 50 gallons (75 to 190 liters) of water per week, depending on factors like soil type, weather conditions, and overall health. It's essential to ensure they receive adequate moisture, especially in dry periods, to maintain their vitality and prevent stress.