To the genus pineapple belong few species of plants (among which the one producing edible fruits, pineapple comosus), very decorative, utilized as indoor plants. Like the other bromeliads, also the pineapple produces a thick rosette of leaves, very compact and rigid; the leaves are long, at times up to 120-150 cm, and pointed, rigid, thorny, with a decidedly coriaceous consistency.
Usually, they are of a glaucous green colour, as they are covered by a thin pruinose layer; there is also a variety with variegated leaves, as well as particularly small varieties, with foliage not exceeding the 25-35 cm of length. During the year, at the centre of the rosette of leaves, rises a thin stem, stocky and fleshy, which carries the inflorescence, which carries a tuft of short leaves on the top.
In the places of origin during the summer the inflorescence swells and becomes fleshy, until it gives rise to a large juicy berry, the fruit that we all know.
In general, the specimens of pineapples grown in apartment do not find the ideal climatic conditions to be able to flower, nor even less to bear fruit, but occasionally it happens that a hot and humid climate favors the production of flower and fruit, although often it is a much smaller replica of the large tropical pineapples that we can find from the greengrocer.
L’ANANAS IN BREVE
Family, genus, species: Bromeliaceae, pineapple sativus
Type of plant: Shrub
Foliage: Persistent; green, even variegated or streaked in pink and cream
Growth: Slow to fast
Minimum temperature: 16°c
Ideal temperature: From 23 to 30°C
Exposure: Full sun; even half-shade
Irrigation: Frequent, but light.
Ambient humidity: High
Land: Light, leafy or sandy
Soil pH: Acid
Use: Flat or hothouse floor plan
Size: vase 20-35 cm
Propagation: Division, leaf cutting
How to cultivate
It is a very common indoor plant, which does not require special care: it likes well-lit positions, good ambient humidity and an always warm climate, with winter lows above 15-18°C.
Generally, in the apartment, it lives without problems, even if it is good to avoid placing the pot close to direct heat sources, and also the proximity to doors or windows, with their cold draughts, often cause damage to the foliage.
Most of the bromeliads sink their roots in a substratum similar to that for the orchids, the pineapples, on the contrary, are terrestrial plants, which, however, do not need big containers or a rich soil; they prefer a soil of soft and fairly drained leaves. We can prepare a good substratum by mixing some soil for orchids with soil for citrus fruits or Mediterranean plants.
Watering will not be particularly frequent, we always wait for the soil to dry between one watering and another, throughout the year, but let’s take action to keep the ambient humidity always high, often vaporizing the leaves, or even placing near the plant a bowl with clay and water. Every 12-15 days, from March to September, we dissolve the fertilizer for flowering plants in the water from the watering of the plants.
If we want in summer we can place our pineapple outdoors, where it can enjoy even a few hours of direct sunlight, but if we have kept the plant in a dimly lit place let’s bring it to the sun gradually, exposing it only a little at a time. Every 2-3 years, in autumn, let’s repot the plant, increasing the diameter of the container by a few centimetres, and changing the whole substratum.
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The rosettes of pineapple leaves often spontaneously produce lateral heads, which in autumn can be removed from the mother plant and repotted individually. We can obtain a pineapple plant also from the fruit: just remove the upper tuft of leaves from a fruit that is still fresh and swollen.
Let’s wait 2-3 days, leaving the tuft in a cool and dry place, then let’s remove the lower leaves and place the tuft in a vase, with a mixture of soil for green plants and soil for citrus fruits. Let’s water only when the soil dries; within a few weeks the head should root and begin to produce new leaves.
Usually the varieties of pineapple comosus grown to produce fruits are not particularly decorative, so our plant may not be the most beautiful ever seen, but we will have the satisfaction of getting a plant from a tuft of leaves that otherwise we would have thrown into the composter.
The virtues of pineapple
For decades, anans has also been used in herbal medicine and pharmacology, as it contains a special proteolytic enzyme, useful to combat cellulite, but also problems due to pain, swelling, bleeding. The consumption of fresh fruit accelerates the metabolism, and has a strong diuretic action; there are also tablets of pineapple pulp on the market, which offer the same advantages as fresh fruit.
We remind you that to take advantage of the advantages deriving from the consumption of pineapple we will have to eat the fresh fruit, or the dry extract: the fruit preserved in syrup does not have the same advantages, first of all because the syrup, rich in sugar, is excessively caloric; moreover, the processing of the fruit with the syrup takes place when hot, ruining most of the active ingredients contained in the pineapple.
Climate and humidity
The cultivation of the ornamental pineapple is not difficult. The important thing is to keep the pot in the most inhabited rooms of our house: usually they are the best lit and with medium-high and constant temperatures both during the day and at night. To avoid damage, it is important that the thermometer never falls below 16°C and try to have as humid an environment as possible.
Soil and repotting
It prefers draining, light, porous soils with an acidic pH. A good mixture can be obtained by mixing soil of leaves (or non calcareous soil) and clear peat in equal measure. It is very important to take care of the drainage: let’s create on the bottom a layer with lapillus or expanded clay. A handful of pebbles or pozzolana can also be mixed with the substrate, so as to keep it well aerated.
The growth is faster in young plants: they may need to be repotted even annually, to be practiced at the end of winter. We always choose containers with a slightly larger diameter than the previous one: we will stimulate the development and avoid dangerous water stagnations.
Irrigation and humidity
From spring to autumn, pineapples require large quantities of water, but radical rottenness must be avoided in the area of the collar. Let’s water frequently, but only when the substratum is dry in depth. An important help comes from the increase of the ambient humidity (at the same time with the temperatures).
We can spray the leaves several times a day or (in extreme cases) make use of special electrical equipment.
In winter, the water supply must be commensurate with the environmental conditions: the colder the room, the more cautious we must be.
To grow quickly you have to put it in a very bright position, near large windows facing south. However, it is also satisfied with more shady locations. When the summer arrives, it is advisable to take the vase outside, gradually exposing it to direct sunlight (we will avoid dangerous burns).
Let’s remember that variegated cultivars need brighter positions to maintain their colours and have good vigour.
Pineapple is a vigorous plant: its “hunger” cannot be satisfied by the substrate, which is very poor in nutrients. It is therefore advisable to distribute a liquid fertilizer for flowering plants every week (from April to October) and every 15 days (from October to March).
Harvesting and storage
Home-grown plants rarely manage to bear fruit (with the exception of the dwarf variety). The production is in plants of about 5 years of age. In addition, a warm and humid climate is necessary, which we can only reproduce in special greenhouses. The best pineapples on the market are transported by air: they are picked ripe and are not subjected to refrigeration (which spoils the taste). At home we can store them at room temperature for about 5 days.
Pineapple – Pineapple: Pineapple species and varieties
The genus Pineapple includes up to 8 different species. Some are cultivated exclusively for productive purposes, but there are also numerous varieties and cultivars developed for ornamental purposes.
Pineapple bracteatus cultivated both for the production of fruits and for ornamental purposes (especially the cultivar ‘Striatus’). The latter is characterized by leaves long from 20 to 30 cm and wide up to 5. Each one has striations in the pale green, in the cream and in the pink. It reaches the maturity in about 5 years when it can exceed the metre of height by 60 cm of diameter.
As ornamental, it is appreciated for its foliage, but if you have a warm greenhouse, you can also see the flowers with beautiful reddish shades.
Leaves and flowers are widely used by florists for their compositions: they combine liveliness and good durability.
Ideal for potted cultivation as a houseplant. Grows to 50 cm and has curved, narrow, dark green leaves. The fruits, easily produced, are also dark green and give off an intense scent. It emits a lot of secondary tufts and can be reproduced very easily.
It is the most cultivated one for the production of fruits. It is very common in Africa, the Far East and Latin America.
It is native to the forests of Brazil and Colombia. It takes about 6 years to reach maturity and bloom. The leaves are up to 50 cm long, pointed, green-grey.
The flower is a beautiful bright pink, carried on a long and durable stem. From this develops the fruit, which is also initially pink. With the tuft, it can reach a total length of up to 50 cm, gradually taking on a green colour when ripe, intense yellow. The scent is sweet and unmistakable.
In our country, it is rarely cultivated as ornamental, even if in the tropical countries are diffused beautiful varieties: Porteanus’, with, at the centre of the leaf, a white band; ‘Variegatus’, with cream coloured margins.
- The pineapple plant belongs to the family of Bromeliaceae and the name comes from the word that the Indians, in the ling
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- A pineapple plant will undoubtedly add a touch of class to your furnishing style. This certainty is given
visit : pineapple plant
- Pineapple is a plant belonging to the family of Bromeliads that botanists also call epiphytes to indicate
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- Known by ancient peoples as the Aztecs, the bromelain contained in the pineapple stem has the ability to be absorbed by the skin.
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