The carex, or sedge, is a perennial herbaceous belonging to a genus that has hundreds of species, originating in the temperate zones of the globe; C. elata is native to Europe and central Asia. It has the appearance of a thick tuft of grass, with 40-50 cm long, arched, bright green leaves; over time it tends to become upholstery, forming numerous roundish cushions; in spring it produces long stems with a triangular section, erect, which bear spike inflorescences consisting of small dark flowers, which will give way to numerous fertile seeds. There are variegated or yellowish green cultivars. C. grayi has leaves similar to Carex elata, and in summer it produces numerous characteristic, star-shaped inflorescences.
To obtain the best possible growth for this plant, it is good to plant it there carex elata in bright and sunny area; sedges develop equally well even in partial shade, as long as they can receive a few hours of direct light a day. They do not fear the winter cold and the summer heat, adapting without problems to the different seasonal temperatures.
The specimens belonging to this particular variety need to be placed on the banks of streams and ponds, with their roots sinking in constantly damp soil; the plants grow very well even in low ponds, completely immersed in water up to the neck of the stems. It can also be cultivated in pots or in the open ground, but in these cases it will need abundant and regular watering, with the foresight to check that in the container there is always a high degree of humidity, given that the sedge does not tolerate drought and it is irreparably ruined quickly.
The Carex elata loves loose soils rich in organic matter even if it can develop in soils with different characteristics.
The ideal soil is the acid soil and for better development, during the planting phase, it is good to mix the soil with peat, leaves or pine needles, so as to create the perfect substrate for the development of this variety
When planting the sedge specimens, remember to leave the space necessary for a harmonious development of the plant, considering that the single heads of leaves reach the 45-50 cm of diameter quite quickly.
To get new copies of carex elata, in spring it is possible to divide the clumps and place the portions directly in the ground, without having to place them in special containers for the initial development. The sedges also propagate by seed, and tend to self-seed freely; the small dark seeds are placed on the ground in a container at the beginning of spring; the young plants settle down the following spring when temperatures are milder.
Carice - Carex elata: Pests and diseases
This kind of aquatic plants turn out to be rather rustic and resistant and, hardly, they are attacked by pests and diseases. Sometimes, in particular situations, aphids tend to ruin the inflorescences of these shrubs. In this case, action must be taken promptly to eliminate the problem quickly, through the use of special insecticide products.