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Daffodils are perennial, bulbous plants, originating in both the Mediterranean regions and Asian countries such as Iran, China and Japan. They are grown in many varieties that have different shapes and colors. The narcissus belongs botanically to the genus narcissus consisting exclusively of bulbous plants. The species are very numerous and are cultivated for the formation of borders. The most widespread, both for garden decoration and for cut flowers, are the species known as n. daffodil, daffodils of poets, n. trumpet cup and daffodils. The flowers of n. daffodils are grouped from 4 to 6 on erect stems about 30 centimeters high and very fragrant; golden-yellow, small and saucer-shaped; the leaves are linear, very narrow, almost semi-cylindrical. They are grown in large gardens scattered in disorderly meadows where they are left buried for three or four years, before proceeding to their division; they easily naturalize and prefer sun exposure. Poets' daffodils have white flowers with a central, low crown and a red-orange border. The flowers are single on its own stem, the leaves long, numerous and very narrow, of a glaucous green color. They prefer partial shade displays and bloom in April-May. The daffodil narcissi are divided into three groups: a white flower with a yellow-orange crown, a yellow flower with a yellow crown and a white flower with a white crown. They adapt well to growing in pots, as well as for cut flowers. The flowers are collected in groups of 6 to 8 on each stem 30 to 50 centimeters high depending on the variety. They bloom early and must therefore be exposed to the sun, well protected from the cold. Finally, trumpet daffodils include numerous types, even recently created, characterized by the central trumpet and single flowers on erect stems which, in addition to white, have colors ranging from cream to yellow, from orange to pink with fine shades. They quickly multiply once they are naturalized in the gardens where they thrive both in the sun and in partial shade, flowering from the first days of February until late May. When these bulbous plants have finished flowering, the remaining flowers must be cut but not the leaves to give time to the bulbs to complete their vegetative cycle and to go to "rest" in a natural way.
Narcissus bulbs can be purchased from gardening centers and widely-supplied nurseries. Here you can also buy the suitable soil that is composed of mixed soil enriched with a handful of sand. With this, a first bed is spread on the lawn or on the flowerbed to be cultivated, after which a layer of peat is created to facilitate drainage (at least a couple of layers) until it covers the entire surface that must reach an overall thickness at least thirty centimeters. The bulbs should be buried under pressure leaving the apex slightly surfaced. If the cultivation takes place in pots or boxes, three can be arranged equally spaced apart to give vent to each of them in order to develop the root system individually. The jars and boxes containing the buried bulbs can be left outdoors on terraces and balconies, taking care to cover them with a layer of dry leaves to protect the shoot that will begin its production cycle in a couple of months. This protection must be kept until the shoot reaches a satisfactory height of about three or four centimeters in height.
For a good fertilization of narcissus bulbs it is necessary to operate using complete fertilizers but not too rich in nitrogenous substances. The soil should be hoaryed frequently at least a couple of times in a month and, the waterings must be abundant in the initial phase of sprouting then, when they reach the optimal height they can reduce the frequency up to the autumn frosts. To remove the bulbs from the ground and repeat the reproductive cycle in other pots or flowerbeds must be very careful when extracting from the ground as the roots must not be throttled. At this point they are left to dry in areas sheltered from the sun at a temperature that varies between twenty and twenty-five degrees Celsius. Once dried, they should be stored in cool rooms with constant temperatures ranging from a minimum of 5 degrees to a maximum of 10 degrees.
Narcissus bulbs: Useful tips
It is convenient to bury the narcissus bulbs on several occasions starting from March until late June with a frequency of three or four weeks so as to ensure that the bulbs enter bloom in stages, thus extending it until late autumn. If you want to grow these bulbous plants indoors, such as a greenhouse, it is convenient to create the natural habitat within it. To comply with this it is advisable to purchase an electronic timer of crepuscular lights in order to dose just as in nature the hours of exposure to light and the hours of darkness such as night-time. Finally, when you decide to use the narcissus flowers produced by the bulbs as cut flowers, it is advisable to replace the water in the vase every day by adding a measuring cup of natural fertilizer based on green leaves to prolong its life and enjoy its fantastic colors. long.