Mulches should be applied 2 to 4 inches (5 to 10 cm) deep depending on particle size (larger particles require a thicker layer - for a complete guide about mulches).

4. Water in early morning or evening - Don't water in the middle of the day when evaporation losses are highest. Instead, make sure to water in the early morning or in the evening when trees are less stressed and water uptake is more efficient. Avoid light sprinkling -- slowly soak the root zone if you water with a hose.