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When to Prune Herbs in a Vertical Garden

Definition: Pruning refers to the act of trimming or cutting back plants to promote healthy growth, maintain shape, and encourage the production of more foliage or flowers.

Timing: Pruning herbs in a vertical garden should be done regularly to ensure optimal growth and flavor. The timing of pruning can vary depending on the specific herb and its growth habit.

Annual Herbs

Annual herbs, such as basil, cilantro, and dill, have a relatively short lifespan and are typically grown for their leaves. These herbs should be pruned regularly throughout the growing season to prevent them from flowering and going to seed. By removing the flower buds, the plant’s energy is redirected towards producing more leaves, resulting in a bushier and more productive plant.

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For annual herbs, it is recommended to start pruning once the plant has reached a height of 6-8 inches. Pinch off the top few inches of the stems, just above a set of leaves, using your fingers or a pair of clean pruning shears. This will encourage lateral branching and promote a compact, bushy growth habit.

Perennial Herbs

Perennial herbs, such as rosemary, thyme, and sage, have a longer lifespan and can be pruned throughout the year. However, it is best to avoid heavy pruning during the winter months when the plants are dormant.

For perennial herbs, regular pruning is essential to maintain their shape and prevent them from becoming woody and leggy. Pruning should be done in early spring, just as new growth begins to emerge. Remove any dead or damaged stems, and trim back the remaining growth by about one-third to promote fresh growth and maintain a compact form.

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Throughout the growing season, you can also pinch back the tips of the stems to encourage branching and a fuller appearance. This can be done every few weeks or as needed to keep the plants in check.

Note: It is important to use clean and sharp pruning tools when pruning herbs to minimize the risk of disease transmission. Additionally, always check the specific pruning requirements for each herb, as some may have unique needs or preferences.

By following these pruning guidelines, you can ensure that your herbs in a vertical garden remain healthy, productive, and visually appealing throughout the growing season.

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