Related: The 6 Best Watering Wands of 2024 to Keep Your Garden Green A soil moisture meter can help you water your lemon tree correctly. The soil should be moist 8 to 12 inches below the surface.
Too little water can cause lemon tree leaves to curl. When you notice curling leaves, check the soil moisture with a moisture meter or your fingers. If the soil is dry more than 2 or 3 inches ...