How to correctly divide ornamental grasses


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Ornamental grasses are with their filigree appearance a valuable companion in perennial plantations as well as in individual position. But some species tend to flatten from the inside out after a few years. Then you should share your ornamental grasses. Thus, the plants are not only rejuvenated and are more vital again, but also increased.

Ornamental grasses are divided into two groups: warm-season grasses and cold-season grasses. When and how the different species are shared depends on which group they belong to. Warm-season grasses drift late in the year and love a sunny to partially shaded spot. Only in midsummer they bloom and reach their full size, before they go to rest in autumn. Classic warm-season grasses include miscanthus and riding grass (calamagrostis). In turn, cold-season grasses are evergreen, usually short and shadow loving. They include the sedges (Carex), which are well protected by the trees, look attractive all year round and bloom in spring. They take a rest in the summer.

White-headed sedge Carex morrowii variegata

An eye catcher in the perennial flowerbed are the white leaves of the Japanese sedge (Carex morrowii 'Variegata')

Divide and multiply low ornamental grasses

Small, evergreen grasses such as the sedges (Carex) need after a few years, a freshness cure by division, because they verkahlen from the inside out. Other motives of Vermehrens are become too large specimens, a transformation of the beds or ugly appearance. For example, the Japanese sedge (Carex morrowii) becomes increasingly unsightly with increasing size. The winter-green leaves are very tough and hard, so they hardly decay and form over the years large bushes with many brown leaves, in which the fresh leaves are hardly noticeable.
Good periods to share and multiply evergreen grasses are spring and fall. You should not do this in the summer months, because the cold-season grasses then take a rest and do not grow so quickly. The easy-care, horstig growing sedges are usually propagated after about three to four years of gestation. For higher species, cut off the leaves to about ten centimeters above the ground. With low sedges you can do without the pruning. Dig up the clumps on the side a little and prick off with a sharp spade cuts. You can then grind them with your fingers and plant them back into the bed.

Step by step: divide ornamental grasses

Pierce the root ball with the spade

Pull rootballs apart

Pierce the root ball with a spade (left) and then divide with the hands or a knife (right)

With a strong kick you drive the spade leaf through the dense root system of ornamental grass. Cut off the earth on the outside and lift out the parts of the bale. Larger pieces can now be crushed with your hands or a sharp knife. Depending on the size you get from a well-grown eyrie three or four small plants with a fist-sized root ball at least. Wear gloves so that you do not cut yourself on the often sharp-edged leaves.

Planting ornamental grass

The daughter plants put you right after splitting back into the ground. Excessive leaves or damaged roots can be cut off with pruning shears

Sharing tall ornamental grasses correctly

Warm season grasses are important and permanent structuring agents, even in the wintry garden. Not only because of the optic one should leave the leaf creatures and inflorescences of the summer-green species in the winter months - the foliage is also a good winter protection. Large grassy areas provide even small animals, like hedgehogs, a safe shelter for the winter months. After many years at the same location, it may happen that the center of the grass bush dies in the case of horst-forming species, such as Kentucky (Panicum virgatum) and Miscanthus (Miscanthus). At the latest then you should divide the ornamental grass, the best time for it is the early spring. Incidentally, this also applies to grasses that form huge clumps over the years. These include, for example, the Lampentregrass (Pennisetum alopecuroides) and the Rasenschmiele (Deschampsia cespitosa). Too tight, they press the neighboring plants in the bed with increasing size. By sharing such high ornamental grasses get better air inside.

Barley Millet Panicus virgatum

The switchgrass (Panicum virgatum) requires a near-bottom pruning at the end of the winter. Too large specimens are shared in the spring or pricks the outer parts with the spade

Before splitting, you should first cut dried stalks about a hand's breadth above the ground. And put on gloves - for protection from the sharp stalks! Sharing is generally a bit more demanding with large grasses. A feat of strength is already the excavation of the eyrie with the spade.While young clumps can easily be shared with a spade, you usually need an ax or saw for large clumps. Divide large clumps into four parts. Then the cuts are replanted at the new location. Add some compost and pour the clumps vigorously. Grasses with rhizomes are split similarly - be sure to carefully cut through the foothills. Usually, however, it is not necessary to divide the mother plant, because the stoloniferous rhizomes on the sides can be easily separated.

Benefits of sharing and multiplying

By dividing the ornamental grass is rejuvenated, it pushes out stronger and flowers more lush. The life of the ornamental grass is thereby increased. Furthermore, you multiply the plant, and can plant it elsewhere in the garden. Incidentally, so that ornamental grasses feel as comfortable as possible in a plantation for many years, they should not be too close to each other. If you give them enough space in the bed, they thrive vigorously and vigorously.

Video Board: How To Divide Ornamental Grass.

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