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Master Gardener Practice Exam

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When is the correct time to prune young trees?
Correct Answer:
Immediately after planting
Explanation:
Establishing a strong early structure is what this item tests. Pruning immediately after planting lets you shape the tree while it’s still small and easy to manage. You can remove damaged or crowded limbs, select a single central leader, and shorten the top to encourage sturdy trunk growth and a balanced scaffold. This timing helps the new roots establish and supports healthy future growth, since the tree isn’t forced to carry unnecessary top growth while its root system is still catching up. Pruning later—during hot summer, late autumn, or midwinter—can expose fresh wounds to harsh conditions or promote undesired growth patterns that the roots can’t support yet. So pruning right after planting sets the tree up for a stronger, more reliable start.

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