Why a living hedge is a superior alternative to traditional walls and fences
In short: Beyond their aesthetic appeal, hedges act as functional garden infrastructure. They provide privacy, serve as windbreaks, and create essential habitats for wildlife. While they require patience to reach maturity, they offer environmental benefits like pollution absorption and soil moisture retention, making them a sophisticated investment for any dedicated gardener.
Selecting the right species is the foundation of a successful hedge. Ideal candidates are long-lived plants with compact growth habits, small leaves, and short stems that can withstand competition from neighboring root systems. Depending on your goals, you might choose plants for their flowers, foliage, or even fruit production. For instance, laurustinus is prized for its blooms, while wormwood serves as an effective windbreak. Because pruning naturally restricts a plant's size, you can often estimate a mature hedge height slightly lower than the dimensions listed on a nursery label.
The process of establishing a hedge requires careful planning and physical preparation. After measuring your space, calculate the number of plants needed by dividing the total length by the expected width of each plant, adding one extra to ensure the foliage overlaps and intertwines seamlessly. Before planting, it is crucial to clear the area of obstructions like pipes or large stones and to soften the soil to twice the depth of the plant's pot. This stage allows for soil amendments and provides a final opportunity to adjust spacing by eye, which prevents future visual irregularities.
Maintenance is the mechanism that transforms individual plants into a cohesive, dense structure. By pruning the branch tips, you redirect the plant's growth hormone, auxin, toward the buds below, which encourages the development of two new branches instead of one. For new hedges, it is best to wait about one year before beginning this routine. Once established, pruning frequency depends on the growth rate, with some hedges requiring attention every three to four months. Using the correct tools is equally important: shears are ideal for small-leaved plants, while secateurs are necessary for larger-leaved species to avoid damaging the foliage and creating a ragged appearance.
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- Summary by Intellect · source: How to plan, grow and maintain a hedge | Garden Design and Inspiration | Gardening Australia
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