Spiraea thunbergii

Spiraea thunbergii is one of the best known and most cultivated varieties among those of spiraea. These are shrubs with a thin and fragile appearance, scarcely branched, but with an elegant air, especially during flowering: they have toothed and pointed foliage, while the very delicate flowers are small and soft colors, ranging from white to pink in color. various shades. This variety also produces small inedible fruits. Flowering usually occurs in mid-spring. The thunbergii prefers soft and well-drained soils, sunny or slightly shaded positions; despite its fragile appearance, it is a very resistant shrub to low temperatures, up to 20 degrees below zero. It should be pruned only after a few years, in the period following flowering,

Spiraea origins and characteristics

Spiraea is a plant that belongs to the Rosaceae: its origins are oriental, more precisely Chinese. But centuries ago the Japanese discovered it and began to cultivate it a lot, to the point that today it is a species associated mainly with Japan. It arrived in Europe only at the end of the nineteenth century and quickly spread thanks to its delicate and graceful appearance. Many varieties have hanging branches, an element that makes them very decorative: the flowers are instead often grouped in bunches, which grow abundantly on the branches. Normally this plant never exceeds two meters in height: its posture tends to take on a round shape, in fact it often develops very wide. The leaves can be narrow and long, pointed and of a glossy light green color: the foliage is very beautiful and lush,

Spiraea cultivation

The spiraea is grown mainly for ornamental purposes, perhaps close to other plants to create contrasts of colors and scents in the gardens. Ideally, it would be grown next to plants with darker foliage, or with brighter colored flowers, to create a vibrant and colorful landscape. Being a very resistant plant, it is also often used as street furniture and it is easy to meet it in the avenues of large European cities. It is also used to form decorative hedges, although not very tall. It normally prefers bright locations, as the light favors abundant blooms. It adapts to all soils, even if it is better that they are rich in humus and above all well drained. The spiraea resists all temperatures and, if desired, can also become a houseplant even if, in this case,

Spiraea cure and multiplication

Spiraea is a plant that is rarely attacked by diseases or parasites: if this happens, however, it is advisable to intervene immediately because otherwise the beautiful flowering is jeopardized. There are several methods to multiply this species: you can divide the strains that often form at the base, or you can make cuttings, preferably immediately after flowering. Not everyone knows it, but the nectar of the small flowers of the spiraea is edible, even if it has a bitter taste: it is in fact often used to produce strong liqueurs, especially those that are drunk at the end of a meal to digest. But spiraea is also used in the medical and herbal fields: in fact, acetylsalicylic acid is extracted from this plant, used to produce the classic aspirins or other herbal products.

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