How to water the alstroemeria

Alstroemeria is a genus of plants native to South America, now available in many different hybrid varieties with large flowers. The plants develop large underground tubers, which fear high humidity, so it is advisable to avoid cultivating Alstroemeria in excessively heavy and poorly drained soil, where water stagnation could lead to their death. They are low maintenance plants that begin their development in late spring. As soon as you notice the first shoots that sprout from the ground it is advisable to start watering, to be repeated only when the surrounding soil appears very dry. Although Alstroemeria can withstand short periods of drought, it is important to water regularly throughout the summer, to favor the development of thick vegetation and flowering. In autumn, watering must stop until spring. If Alstroemerie are grown in a sheltered and warm place, such as in a greenhouse, then they will water sporadically even during the cold months.

Cultivation of alstroemeria

Alstroemeria plants are grown like most of the summer flowering bulbous plants. In nature, they live in places with a warm climate in summer and cool in winter, so they can bear fairly low minimum temperatures, even close to 0 ° C. They are plants that therefore find a place in the garden, in the open ground, in the flower bed of flowering plants, even in the vicinity of shrubs and tall trees. In areas where the winter climate is very harsh, with temperatures for a long time below -5 ° C, it is advisable to place the tubers at a depth of at least 20 cm, mulching the soil with leaves and straw during the winter months. The vegetation of the Alstroemerie completely dries up in winter, only to reappear in late spring, usually in May, but also later in the season.

Fertilization of the lily of Peru

Alstroemeria plants have a thick and compact development, especially if they have been planted for a long time. To keep the head of leaves always healthy and lush, it is important to regularly provide fertilizer throughout the growing season. It begins in spring, usually in April or May, when the plants begin their development. When the cold arrives, the foliage dries up and fertilizer supplies can be stopped, which will resume the following year. For these plants it is important to use a complex fertilizer for flowering plants, rich in nitrogen and potassium, which stimulates the production of buds and their cultivation. In the pots it is advisable to place only the specimens with dwarf development, because if the roots of Alstroemeria are in close proximity, the plant tends to stop vegetating,

Alstroemeria: Parasites and diseases

These plants are quite vigorous and tend not to be heavily affected by parasites; occasionally it can happen that in summer the aphids ruin the floral buds in the development phase, in these cases it is advisable to intervene quickly, because the insects can make the plant suffer, up to make it perish completely. If placed in poorly ventilated and very humid positions, the Alstroemerie tend to be affected by powdery mildew, which disfigures the leaves. Against this fungus it is advisable to carry out treatments based on copper and sulfur and avoid water stagnation of the soil. In any case, this fungus attacks in periods with low minimum and high humidity: if such conditions occur, it is advisable to carry out preventive treatments. Alstroemeria plants should be planted in a sunny or semi-shaded position;

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