Yes. The best time to apply fertilizers is during the dormant season (usually November through March). The second best time is during the spring and early summer months (April through June). In general, trees are not fertilized between July and the first hard freeze. Fertilizing in the late summer or fall will cause the tree to push out a flush of new growth, making it susceptible to frost damage and dieback.
Mulching promotes tree growth by reducing environmental stress and providing a stable root environment that is cooler in the summer and insulating to the soil during the winter months. Mulched soil contains more moisture than the surrounding soil. Apply the mulch uniformly between two and three inches thick and extending as far as possible away from the tree. Mulching immediately against the trunk can cause collar rot. Always mulch one to two inches away from the tree’s trunk.
Make sure you do deep, less frequent watering which is better than frequent, shallow watering. This promotes deep root growth. The best time to water is during the morning hours, because water is lost through evaporation in the afternoon. Avoid watering at night as this increases the likelihood of fungal infection. Water the area directly below and surrounding the tree rather than the leaves. Leaves can take in water, but the main uptake of water and nutrients is through the roots.
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