
Perennials are non-woody plants that live for two or more years. Most are herbaceous, dying down to ground level in fall, some to woody base, and emitting new development in spring. Some, like Helleborus niger, are "evergreen" and therefore have a presence valuable winter.
Perennials
Most of the display of perennials occurs in summer, but some flowers like Liriope muscari and Iris unguicularis, enliven the garden in autumn and winter, while Helleborus orientalis they welcome spring with their bloom. We can find perennials that look their best at any time of year, which gives a lot of play when it comes to design a garden.
Much more than any other type of plants, perennials have an immense variety of appearances, smells, shapes, colors and textures. Although they are often valued most for their flowers, many also have attractive foliage; from the ribbed and rolled leaves of the beautiful ones to the sword-like sashes of the lilies or the fine lines of the fennels. In general, the foliage lasts longer than the flowers, so choosing perennials with decorative leaves helps to lengthen the appearance of our garden for longer, which is an important factor to consider in small gardens.
Height varies among crawlers, as Lamium maculatum, only 10 and 15 cm high up to the sculptural Argentine grasslands, which can widely exceed 2 m. Upholstery perennials are ideal for the front of the garden or for pots, while tall, graceful plants are best grown individually or in the back of a border, to give the design lift and structure.
The well-blended perennials they are capable of creating a sensation of variety even in very small gardens, or the greatest peculiarities in a large one: they are a palette of unlimited composition.

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