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Pruning results in longer and more vigorous thicker shoot growth in the next season.

Sep 26, Principles of Pruning the Highbush Blueberry Horticulture Information Leaflets. By reducing the number of fruit buds (and hence clusters) on the bush, pruning results in an increase in the size of the individual berries.

Up to a point, the more severe the pruning, the larger the remaining berries are.

Pruning for increased size is a Estimated Reading Time: 6 mins. Highbush blueberry plants can live for many decades; but early in their life, they don’t need much pruning.

For the first two years flower buds should be removed either by rubbing them off or by cutting off the tips of shoots. bushes with maximum unpruned heights varying from feet (highbush, southern highbush) to feet (rabbiteye).

All cultivated species require annual pruning to manage bush height and shape. Pruning also prevents over-cropping, increases berry size, and removes dead, diseased or insect -infested Bill. Ehlenfeldt subjected Jersey (northern highbush) and Legacy (southern highbush) blueberry plants to early and late pruning protocols and conducted a freeze-thaw study evaluating the damage to flower buds on detached shoots.

The results, published in the May issue of HortScience, were encouraging.