Gardeners say Japanese maples are best pruned using 'essential techniques'

The , known for its striking green or red leaves, is a sight to behold.

In autumn, these leaves transform into vibrant shades of red, orange, yellow or purple, with textures varying from wide points to finely dissected lobes and a lacy, wispy appearance. These trees, also referred to as acer trees, can be quite expensive, leading many to adopt a plant-it-and-forget-it approach.

However, experts at stress that pruning is a crucial care task that should not be overlooked. The "primary" reason for this, they claim, is that it "helps maintain the tree's aesthetic appeal as well as contributing to the tree's overall health and size". Pruning not only "enhances their natural beauty" but also "ensures their vitality and longevity" in the .

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Many view the pruning of Japanese maples as an art form requiring both skill and a keen eye for detail. This process involves carefully trimming away unwanted growth and dead branches while maintaining the tree's elegant form. For those planning to prune a Japanese maple themselves, it is recommended to follow certain "essential techniques" and steps to "master the art of Japanese maple pruning for the best results".

How to prune Japanese maples

When pruning, should start by removing dead branches, mostly found on the interior, reports . Major reshaping of the tree should be avoided as this will "leave unsightly holes" in the canopy. Avoid shearing to preserve the tree's natural weeping and cascading branches. Pruning should be deliberate and thoughtful, with each potential cut being carefully considered before making a decision (or determining if it's necessary at all).

Aim for "optimal results" by making clean cuts back to lateral branches or buds. It's crucial to disinfect pruning tools after every use to halt the spread of disease. For those curious about pruning acer trees, the "best time" is during their dormant period in winter.

For Japanese maples, structural pruning is best done in winter, while fine pruning should wait until late spring, once the leaves have emerged. Summer is also suitable for cutting back larger limbs and for removing dead, damaged, or diseased wood.