This allows the plant root system to be in balance with the shoot system and increases survival by reducing transpirational demand. Plan containerized stock reduces the need for pruning branches at planting time. Flower buds should be rubbed off to ensure that energy is channeled into vegetative growth. In most regions where highbush blueberries can be grown, both mulch and irrigation are essential for successful production. Mulch goes on newly set plants soon after planting and irrigation should be ready before newly set plants dry out.
Many materials are suitable for mulching blueberries, but sawdust Is most common.
Mulch keeps soil temperatures cooler during summer, reduces weeds, and maintains soil moisture more uniformly. Although mulch helps save moisture, it does not eliminate the need for irrigation. Blueberries are very sensitive to drought and irrigation is essential in most areas. Trickle irrigation offers the advantage of being more efficient, but it does not allow for the frost protection that overhead systems can provide. In areas where late spring frosts are of little concern, trickle irrigation is normally chosen because of its increased efficiency.