Presentation on home flowering cacti. cacti. Last presentation slide: cactus as my friend: conclusion
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Introduction Few people can remain indifferent to such an original, elegant and, of course, beautiful plant as a cactus. This evergreen splendor, covered with formidable thorns, harmoniously complements the interior of the room, but it is especially unique during the flowering period. Cacti - unique representatives flora. Unique in shape, size and color, they are a fertile object for collecting. And they can be bred in almost any conditions - from the windowsill of the northern window to the rockery wintering under the snow. Seeing this plant, I often thought: “What secrets does the cactus keep? What interesting things can you learn about it if you study it? So I decided to tackle this issue.
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The main part Green hedgehogs, which can often be found on the windowsills of flower growers and housewives, bloom in a variety of ways, each with its own character and whimsicality, and that's all about them ... about cacti. Cacti are natives of dry deserts and steppes. Botanists number about 3,000 species of this plant. cacti different types unexpected, bizarre shapes: and balls - round and ribbed, and cakes, and columns. All cacti are covered with thorns of various colors and sizes. The most amazing thing about these green creatures is the amazing stamina with which they withstand heat and lack of moisture. For many years they can live even in a sealed flask with moist soil. When these prickly creatures bloom, it is difficult to find more beautiful flowers than theirs. Some bloom once every five or even more years, some annually, and there are for six months. Most representatives of the cactus subfamily have a stem in the form of a cylinder or a ball, and they also lack leaves, but there are characteristic spiny processes.
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Popular home cacti Astrophytum ibex. It looks like a ball with ribbed sides. This is one of the varieties of cacti that bloom in summer - their large flowers look like daisies or gerberas.
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Chamecereus Silvestri. It has numerous thin stems that grow well and quickly. Blooms with bright red flowers.
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Cleistocactus Strauss is a single "column" that can grow up to 1 m in height. This plant looks great in the interior due to the silvery hue of its fluffy spines.
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Mammillaria is a popular type of indoor cactus that has a round or oval shape. Mammillaria usually blooms in spring, and its small flowers encircle the cactus in a ring.
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Rebutia tiny is capable of blooming every summer, throwing out tubular flowers of a deep orange hue. Rebutia stems are spherical and have a diameter of only 5 cm.
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Trichocereus whitening is a massive plant resembling a column expanding upwards. It blooms beautifully with large flowers that form on the top of the cactus.
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The Madagascar palm, or pachypodium, is an unusual type of cactus with leaves. This majestic tree-like succulent plant has a thorny, fleshy trunk, at the top of which are leaves. Interestingly, they fall during the dormant period.
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Prickly pear has a stem divided into several segments. Its spines look like small hooks, and this gives this variety of cactus a very interesting and original appearance.
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Temperature regime Cactus is a heat-loving plant, but quite resistant to coolness, as well as to sharp temperature fluctuations. The cactus feels great in the winter months of the year - provided that the temperature in the room in which the plant is kept does not fall below 6-8 degrees Celsius. The cactus is afraid of dry air, it can also get sick if there are drafts in the room. If there is such a possibility, then given plant it is better to place on the windowsills of the southern windows - where there is more light. Lack of lighting can cause the cactus to wither, stem deformation and the appearance of all kinds of diseases. A cactus can bloom only if a stable temperature (18-20 degrees) is maintained in the room. Frequent airing of the room can significantly speed up the appearance of beautiful flowers on the stems of a cactus, since this plant is very fond of Fresh air and does not tolerate stagnant.
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Watering Cactus is a plant that does not require intensive watering and feels comfortable even in dry soil. What is really detrimental to the cactus is frequent watering, which can cause water to stagnate in the container. In the winter months, the plant should be watered very rarely - no more than twice a month. For irrigation, it is advisable to use only soft water - rain or melt. When watering with hard water from the tap, excess salts can accumulate on the base of the cactus stems, which affect the development of the plant not the most in the best way
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Soil The soil for cacti should be used special, it can be purchased at any gardening store. Basically, the cactus grows at home on slightly acidic, loose soils. When planting a plant, it is necessary to carefully loosen the soil in order to provide air and water access to its root system. If it is not possible to purchase special soil for keeping a cactus, you can use ordinary leafy soil for these purposes (dig up in the spring in a park or in a birch grove). It is advisable to add a little rotted manure (as an organic fertilizer) and coarse sand (to absorb excess moisture and loosen) into the earthen ground.
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Cacti at home.
MKOU Filippenkovskaya OOSh,
Biology teacher Chaly N.S.
2017
Cactus (lat. Cactaceae) belongs to the Cactus family. The family is divided into four subfamilies. The word "cactus" is of Greek origin. Carl Linnaeus introduced this name in 1737 as an abbreviation for "melocactus" (thistle) because of the thorns that cover the representatives of the Cactus. It is suggested that cacti evolved about 30-40 million years ago, and, despite the fact that fossil cacti have not yet been found anywhere, it is believed that the homeland of cacti is South America, and they spread to the northern continent not so long ago - no more than 5-10 million years ago. It can be considered that cacti are plants of the New World. And today the habitat of the cactus is South and North America and the islands of the West Indies. Under natural conditions, a cactus plant can be found in Africa, Madagascar and Sri Lanka - they say that cactus seeds were brought there by birds.
As soon as the cacti show signs of growth in the spring (the top turns green and young spines appear), start spraying the plants abundantly with settled water every day. room temperature, and when active growth begins, they are moistened 2-3 times with lower watering, placing pots with cacti for a quarter of an hour in bowls with water at a temperature of 28 ºC. The exception is woolly or densely pubescent species - such baths are contraindicated for them.
In spring and autumn, watering is carried out in the morning, and in the summer in the evening. Water for irrigation and spraying should be soft - boiled and settled. Once a month, you need to add water to the water. As soon as the cacti show signs of growth in the spring (the top turns green and young spines appear), start spraying the plants abundantly daily with settled water at room temperature, and when active growth begins, moisten them 2-3 times with bottom watering, by placing pots with cacti for a quarter of an hour in bowls with water at a temperature of 28 ºC. The exception is woolly or densely pubescent species - such baths are contraindicated for them.
In spring and autumn, watering is carried out in the morning, and in the summer in the evening. Water for irrigation and spraying should be soft - boiled and settled. Once a month, citric or oxalic acid should be added to the water - half a gram or one tenth of a gram, respectively, per liter of water. You can insist water for irrigation on peat for a day - 200 g of peat per three liters of water.
pour citric or oxalic acid - half a gram or one tenth of a gram per liter of water, respectively. You can insist water for irrigation on peat for a day - 200 g of peat per three liters of water.
Cacti with thick and powerful spines are good to spray in the mornings and evenings. hot water from a spray bottle.
As soon as the cacti show signs of growth in the spring (the top turns green and young thorns appear), start spraying the plants abundantly daily with settled water at room temperature, and when active growth begins, moisten them 2-3 times with bottom watering, placing pots of cacti for a quarter of an hour in bowls with water at a temperature of 28 ºC. The exception is woolly or densely pubescent species - such baths are contraindicated for them. In spring and autumn, watering is carried out in the morning, and in the summer in the evening. Water for irrigation and spraying should be soft - boiled and settled. Once a month, citric or oxalic acid should be added to the water - half a gram or one tenth of a gram, respectively, per liter of water. You can insist water for irrigation on peat for a day - 200 g of peat per three liters of water. It is good to spray cacti with thick and powerful spines in the mornings and evenings with hot water from a spray bottle.
If the cactus has bloomed, in no case do not move or turn it - a disturbed plant will drop all flowers and buds. Direct Sun rays during the flowering period, cacti are contraindicated, and you must protect the plant from them with a translucent cloth or paper.
During the flowering period, it is necessary to ventilate the room daily, but even the slightest drafts should not be allowed. Top dressing at this time is also not brought in, otherwise the plant will shed both flowers and buds, or they will transform into cactus babies. In the first flowering, the flowers are usually smaller, but every year they become larger, and their number may increase. Cactus bloom is not just a beautiful sight, it helps to establish that your plant belongs to a particular genus and species, which makes it much easier to care for.
An exception to the general rule for all cacti is the Schlumbergera - it is watered all winter once a week.
In early March, you need to help the cacti come out of hibernation. To do this, the plant is transferred to the southern windowsill, they begin to spray, then gradually increase the water consumption, while reducing the intervals between waterings. Resume and top dressing of the cactus.
Why do cacti turn yellow.
This is the most frequently asked question by readers. This may be due to a deficiency nutrients in the substrate, violation of the irrigation regime or harmful activity of the spider mite. In the first case, you need to feed, in the second - adjust the frequency of watering and the rate of water consumption, and in the third - treat the cactus with some kind of acaricide - Aktellik, for example.
Why do cacti rot.
Most often, the cactus rots from excess moisture in the soil. Of course, you need to water it, but given that it is better to forget to water a succulent plant than to water it twice. With chronic waterlogging of the substrate, the cactus begins to rot. To save the plant from death, you need to remove it from the soil, cut off all rotten areas and roots, process the cuts with crushed coal and transplant the cactus into a new sterile substrate. If the plant is not too damaged, it is quite possible that you will be able to reanimate it.
Why is the cactus not growing?
This problem can also have several reasons: an incorrectly composed substrate, a cramped pot, illness, sunburn, root rejection or damage by pests.
If the soil was composed of the wrong components or did not maintain the required proportions, the soil may be too acidic or, conversely, too alkaline. The soil also deteriorates from watering with unsettled and unboiled water with a high lime content. Monitor the quality and temperature of the water for irrigation, compose the soil in accordance with the requirements of the culture, and if you do not know how to do this, use a purchased substrate specially prepared for cacti by specialists. Transplant cacti in a larger pot in time.
Prickly pear cactus (Opuntia)
Cactus pests.
stem bug, or furry aphid, is a close relative of the root worm. The pest makes punctures in the stems of plants and feeds on their juice. It is also dangerous because fungal infections penetrate through these punctures, causing rotting of the cactus. It is not easy to see these pests, especially on those species that are covered with felt hairs. To avoid trouble with the stem worm, and at the same time protect the cactus from other pests, it is advisable to treat the plant and potted soil twice a year with an insecticide, for example, Aktellik or Aktara, as a preventive measure.
Echinopsis (Echinopsis)
Diseases of cacti.
Cacti and diseases are affected - dry and black rot, late blight, rhizoctoniosis, helminthosporosis, fusarium, spotting and viral diseases.
late blight, or black (red) root leg, causes rotting of the base of the stem and roots of cacti. In the fight against the disease, seedlings on early stage diseases are treated several times with Benlat with an interval of 3-4 hours. In adult specimens, damaged parts are removed, and the sections are sprayed with a fungicide solution.
Cereus (Cereus)
Fusarium, or fusarium rot, strikes at high humidity of the soil and air in the room. As a result of the development of the disease, the root collar and roots rot, the cactus stem turns yellow, wrinkles and falls. It is necessary to remove all damaged parts of the stem and roots, treat the wounds with crushed coal, gray or brilliant green. To avoid damage to the cactus by Fusarium, do not allow mechanical damage to the plant and from time to time water the cactus with a solution of Fundazol. Helminthosporosis, or wet rot, looks like watery dark spots covered with mycelium threads. The causative agents of the disease enter the soil along with the seeds. Rhizoctonia- also wet rot, from which the stems of cacti darken, and blackness rises up through the vessels. Rhizoctonia develops in conditions of high humidity. You can avoid the disease by disinfecting the soil mixture for cacti.
Gymnocalycium (Gymnocalycium)
Dry rot, or phomosis, incurable: the cactus simply dries up from the inside, and nothing can be done. As a preventative measure, plants are sometimes sprayed with a fungicide solution.
Gray soft rot affects grafting sites or lateral parts of the stem. The tissues of the plant liquefy and turn into a mushy mass, covered with a dark gray mycelium. The infection is activated during chronic waterlogging of the substrate. At an early stage of the development of the disease, the cactus can be saved if the affected areas are cut out on it and the wounds are treated with sulfur, crushed coal or Nystatin.
Mammillaria (Mammillaria)
black rot, or alternariosis, externally manifested as shiny dark brown or black spots in the form of streaks. It is necessary to cut all these spots down to healthy tissue and treat the cactus with a fungicide solution.
Spotting (anthracnose, or brown spotting, And rust) have a fungal nature, therefore, the treatment is carried out with solutions of fungicides, however, before spraying, the affected areas should be removed from the cacti.
A symptom of viral diseases are light spots on the trunk of a plant. For processing cacti from viral infections Dissolve one tablet of Remantadine in a liter of water, but do not place special hopes for treatment, since the virus is very difficult to defeat.
Whip aporocactus (Aporocactus flagelliformis)
Astrophytum (Astrophytum)
Types and varieties of cacti
The Cactus family includes four subfamilies, each of which has fundamental differences in physiology and structure - the subfamilies of Pereskiev, Opuntia, Maukhieniev and Cactus, which includes 80% of all cacti.
The Cactus subfamily is represented by plants that lack leaves and glochidia. Among them there are both epiphytes and xerophytes of various forms - columnar, spherical, creeping or forming sods. There are many plants from edible fruits- ferocactus, echinocereus, mammillaria, myrtillocactus, peniocereus and others. We are offering to you short description genera, species and varieties, as well as the names of cacti, which are most often grown in room culture.
SOURCES the Internet.
https://floristics.info/ru -- text information Listeva Lilia.
https://www.yandex.ru/- photos of cacti.
https:// yandex.ru/images/search?p- photos of cacti.
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Presentation on the world around on the topic "Unusual world of cacti"slide 2
Cacti are unique representatives of the plant world. Unique in shape, size and color, they are a fertile object for collecting.
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Mammillaria Magallani The most numerous genus of cacti from the northern regions of South and Central America. There are about 500 species and varieties. The stem with a diameter of 1 to 30 cm is covered with papillae, on top of which there is a part of the areola with a spine.
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Celecyphora donkey-shaped Motherland - Mexico. The stem is initially spherical, then elongates, reaching 10 cm in height. Its surface is bumpy. White spines adjoin the stem, fused at the base.
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Rebutia Muscula A genus of cacti from the mountainous regions of Argentina and Brazil. Spines straight, bristle-shaped, rarely spiny, different shapes and colorings. Numerous large daytime flowers in various shades of red and yellow flowers sometimes white. Bloom profusely in spring
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Baisky melocactus. Homeland - Brazil, state of Bahia. Grows in wet coastal areas, sometimes on the seashore. Spherical stem, up to 15 cm in diameter, with sharp ribs. At the top of the stem of an adult plant, a special formation appears - cephalium, covered with reddish-brown hairs. It has small pink flowers.
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Mamillaria is prickly. Belongs to a large genus of cacti, numbering about 500 species and varieties. Homeland - Mexico. It grows on the slopes of mountains and in valleys. Cylindrical stem, up to 30 cm high and up to 10 cm in diameter, densely covered with spines of various colors - white, red, yellow. Blooms from April to July
Project name:"Cactus is a prickly friend"
Introduction
Relevance
Many of us have houseplants at home that delight our eyes with their appearance. Many of us have thought about the origin and history of any flower growing in our home. My family is no exception, and interesting house flowers grow in our house. I often look out the window at the street and more than once I pricked on the needles of one unusual plant, so unlike other flowers. And I asked my mother what the name of this green friend, so similar to a hedgehog. Mom replied that they call him "cactus". And we also watched a cartoon about Nyusha. There, Krosh and the Hedgehog went to visit Nyusha, and the Hedgehog carried a cactus as a gift. We wondered why he chose such a gift?
Problem questions:
1. What is this plant?
2.Where does it grow?
3. Blooms or not?
4. What is useful or harmful?
5. Are cacti edible?
Working Method:
For a more complete study of cacti
1) we have read many books, encyclopedias;
2) watched several programs that talk about the life of cacti,
3) searched for material on the Internet,
Subject of study: cactus - as a houseplant.
Project deadlines : January – March 2018
Protection method
: presentation, defense in verse.
Results of work:
scientific fact .
The word cactus comes from the ancient Greek "cactus", which in Ancient Hellas was called plants that have a semblance of thorns. Fossil remains of cacti have not yet been found anywhere, so one can only guess about their origin. It is assumed that they are no more than 20,000 years old, and in this case, cacti are one of the largest groups of plants on Earth, which in our time is developing rapidly, continuously adapting to changing environmental conditions.
For the first time, cacti were seen by sailors who entered the American mainland. They were very struck by plants that have thick and succulent leaves covered with thorns. The sailors took these unusual plants to Europe, showing them to everyone as " wonders of nature". On the territory of the CIS, cacti appeared in the 16th century, the first to bring them was Petr1. The homeland of cacti remains South and North America, some types of cacti come from the tropical forests of Africa, Madagascar and Sri Lanka.
The history of the emergence of the modern capital of Mexico, Mexico City, is connected with the history of cacti. An old legend says that in ancient times, the people of the Aztec tribe wandered for a long time in search of a place where they could settle. But the gods did not give the Aztecs a good sign. And finally, they came to Lake Texcoco and saw a large eagle sitting on a prickly pear and tearing a snake. Considering this a good sign, the Indians founded the city - "Place of the sacred prickly pear" - Tenochtitlan. The place was chosen exceptionally well. Centuries later in ruins ancient city grew the capital of a large - Mexico City. And the prickly pear cactus from an old legend migrated to the coat of arms of Mexico.
Habitat and species of cacti.
Cacti can rightly be called one of the wonders of nature. Everything in this plant is unusual: the absence of leaves, a fleshy stem, frightening thorns and beautiful flowers crowning this “structure”.
To understand its nature, we must remember that all cacti come from America, and most of them are inhabitants of arid steppes, savannahs and deserts. The soil cacti like loose, well-permeable water and air, with a high content of sand. The unusual shape of cacti is nothing more than an adaptation to life in these harsh conditions. A powerful system of lateral roots, lying at the very surface of the earth, allows you to collect more moisture that has fallen into the soil after rain. The length of the lateral roots of the cactus sometimes reaches 7 meters. In addition to lateral roots, cacti have a main root. It serves both to strengthen the plant in the ground (which is especially important for large species, and to accumulate moisture and nutrients, sometimes reaching gigantic sizes: up to 60 cm in diameter and up to 50 kg in weight (in turnip neoportea).
The spines of cacti are hard and soft, straight and hook-shaped, smooth and pubescent. Water vapor condenses on the spines and moisture accumulates. Shiny or light spines reflect the sun's rays, saving the plant from overheating, and slightly shade the stem. Cacti grow from above, and colorless hairs and spines densely collected at its top protect the sensitive growth zone from solar radiation. The spines are the armor of the cactus, protecting it from herbivores. The fruits of cacti are equipped with thorns and hooks, which spread around the world, clinging to animal hair. The “children” of cacti also travel the same way. Other cacti are covered with thick long hair(but you shouldn’t iron them: under the pubescence there are thorns with which, like blotting paper, they absorb moisture from the air. My grandmother grows such a cactus and it looks like an old man sitting in a pot.
Plants vary greatly in shape and size. They can be both in the form of pillars, and in the form of balls and other figures. Many of the cacti live for 100 or more years and grow to huge sizes - up to 12-15 meters in height.
One Californian cereus giant, or carnegia, felled by a storm in 1978, had a height of almost 25 meters, according to estimates, lived for almost 150 years. The stems of these giants contain on average up to 1.5-2 tons of water. There are also tiny cacti, such as blossomfeldia, which are only a couple of centimeters high and almost 3 centimeters in diameter, they fit easily in a teaspoon.
cacti in our life
In addition to the fact that cacti delight us with their appearance, and especially flowering, they are often food for humans and animals. For example, cactus fruits can be eaten raw, dried, cooked compotes, jam, candied or stewed as a side dish for meat. Prickly pear fruit juice is the basis for the preparation of syrups and food coloring.
Not only the fruits of cacti are edible. The stems of some species of melocactus and echinocactus are cut into slices and boiled in sugar syrup, getting excellent candied fruits.
In dry areas, farmers solve the problem of livestock feed by feeding the animals de-thorned stalks of large cacti. On such nutritious food cattle are rapidly fattening.
The dried stems of large cacti are still used as wood and fuel, even houses are built from them. From small cacti, local craftsmen carve crafts for sale to tourists. Toothpicks are made from cactus thorns. The Indians make needles out of them, and the Mexicans make fishhooks. In Mexico and other countries of Central and South America Cactus hedges are very popular. Planted in a row, multi-meter cereuses guard the mansions no worse than the fortress walls.
Many cacti have medicinal properties. Prickly pear roots have a diuretic effect, selenicereus juice treats rheumatism. An extract from the petals of the wonderful Selenicereus flower, known as "golden drops", helps with cardiovascular diseases. Lophophora cactus is a unique source of antibiotics, which, unfortunately, has not yet been widely used.
In Mexico on New Year children decorate cacti with different toys, thereby turning them into a Christmas tree.
Variety of cacti.
cactus care .
In the room, cacti always lack light and are too warm during the winter dormancy. In addition, even for these drought-resistant plants, the air in the room is a bit dry. Therefore, the most the best place for a cactus, on the windowsill of the sunniest window, closer to the glass.
Dishes for cacti should correspond to the size of the root system. For irrigation, you need as clean and soft water as possible. It can be rain, snow, or simply boiled or settled tap water.
Myths and truth about the properties of cactus
Recently, a lot of information has appeared that cacti are able to absorb the harmful effects of radiation that comes from computers. But this is not all. It turns out that cacti are able to absorb negative energy, and this contributes to the emergence of a healthy atmosphere in the work team or at home.
Talk about useful properties cacti appeared when they first began to talk about extremely harmful influence electromagnetic waves and radiation from the computer. In fact, the damage caused to the body by the computer is not so great that it should be actively combated. If, however, these statements are supported by scientific data, then in the course of the studies it was possible to establish that cacti do not absorb electromagnetic radiation at all.
Conclusions:
We were struck in the cactus by the fact that, despite its thorns, it is very useful plant and it is used in food, that in ancient times travelers used the cactus as a source of water in the desert. Cacti are diverse, and each of them is beautiful in its own way. In the future, we plan to grow many varieties of this plant. We enjoyed learning about cacti.
MOU SOSH x. Kletsky
"Cactus is a prickly friend"
(within the framework of the festival of educational projects; defense on 14.03.2018)
Prepared by: Larisa Sapunkova
Tyshchenkova Polina
Head: Uskova N.M.
Cactus belongs to the Cactus family (Cactaceae). This perennial with thickened juicy fleshy stems covered with spines, hairs or bristles. The fruits of most cacti are fleshy, berry-like, and many are even edible (Cereus, Opuntia). The cactus family includes about 2800 species and is divided into three subfamilies: CACTUS belongs to the Cactaceae family. This is a perennial plant with thickened juicy fleshy stems covered with spines, hairs or bristles. The fruits of most cacti are fleshy, berry-like, and many are even edible (Cereus, Opuntia). The cactus family includes about 2,800 species and is divided into three subfamilies: the Cactus family, the Cactus family, pereskie, pereskie, prickly pear cereus. cereus.
Where do cacti grow in Europe in Europe in the Mediterranean regions in the Mediterranean regions as well as in the tropics of Africa and also in the tropics of Africa, the tropics of Africa, the tropics of Africa on the island of Madagascar on the island of Madagascar are bred as ornamental plants V open ground in the South of Russia, and in the North - in rooms and greenhouses, they are bred as ornamental plants in open ground in the South of Russia, and in the North - in rooms and greenhouses. These plants are often feature landscape, in some places they are found as difficult-to-eradicate weeds. These plants are often a characteristic feature of the landscape, in places they are found as weeds that are difficult to eradicate.
Growing cacti Cacti are green plants with needles. With minimal care, they can please their owner much more than others. houseplants. Any person can grow cacti, if he does not violate the basic rules. Cacti are green plants with needles. With minimal care, they can please their owner much more than other indoor plants. Any person can grow cacti, if he does not violate the basic rules. ground rules ground rules
Basic Rules Basic Rules Abundance sunlight plenty of sunlight uniform summer watering uniform summer watering dry and cold wintering no higher than 10 degrees dry and cold wintering no higher than 10 degrees Advice. Cacti should be watered when the soil is completely dry.
From the life of a cactus In Mexico, on New Year's Eve, children decorate cacti with various toys right in the open air. Cactus - Christmas tree. In Mexico, on New Year's Eve, children decorate cacti with various toys right in the open air. Cactus - Christmas tree. If a cactus has bloomed in the house, wait for the addition of the family. If a cactus has bloomed in the house, wait for the addition of the family. Cactus is a scorpion, he is a loyal and devoted friend and has a controversial character. Cactus is a scorpion, he is a loyal and devoted friend and has a controversial character.
Some useful tips The size of the pot should match the root system of the cactus The size of the pot should fit the root system of the cactus Best time for transplanting cacti - the end of March, April, beginning of May, i.e. when the plants are just starting to grow. The best time to transplant cacti is the end of March, April, beginning of May, i.e. when the plants are just starting to grow Watering with soft water that does not contain chlorine, the water must be clean, i.e. do not contain any impurities or salts (for example, rain or melt water) Watering with soft water that does not contain chlorine, the water must be clean, i.e. do not contain any impurities or salts (for example, rain or melt water) Since cacti are very peculiar plants, fertilizers should contain much less nitrogen Since cacti are very peculiar plants, fertilizers should contain much less nitrogen Cacti light is never enough Light cacti never too many Some cacti can be propagated from cuttings. The difference is that cuttings of cacti (except for ripsalis) are never placed in water. You need to cut the cuttings only in the spring, at other times of the year this can only be done if the plant dies and you need to save at least something. Some cacti can be propagated from cuttings. The difference is that cuttings of cacti (except for ripsalis) are never placed in water. You need to cut the cuttings only in the spring, at other times of the year this can only be done if the plant dies and you need to save at least something.
