How to grow Ariocarpus fissuratus? A detailed guide to practical growing techniques
Sowing period The editor has gathered and consulted relevant materials and found that the most suitable temperature for the growth of Ariocarpus fissuratus is between 20 and 25 degrees, so when choosing a sowing time, the local temperature should preferably remain stable at around 25 degrees. In southern China, March to June is suitable for sowing. As for the north
Sowing period
Sowing period The editor has gathered and consulted relevant materials and found that the most suitable temperature for the growth of Ariocarpus fissuratus is between 20 and 25 degrees, so when choosing a sowing time, the local temperature should preferably remain stable at around 25 degrees. In southern China, March to June is suitable for sowing. As for the north, sowing is probably possible in June, and in greenhouses sowing can be done all year round.
Field management and fertilisation
When growing Ariocarpus fissuratus, we generally choose the method of thinning and fixing the seedlings for sowing. About one month to 40 days after the seedlings emerge, the vines need to be trained onto a support. As Ariocarpus fissuratus is a vine plant, when the vines begin to shoot after emergence, a tripod made of bamboo poles should be prepared to support and secure them. Only in this way can vine growth be promoted, flower drop be reduced, and fruiting be improved.
What kind of soil does Ariocarpus fissuratus use?
Ariocarpus fissuratus should be given fertile, loose soil, preferably a neutral soil that is airy and well drained. Soil that is too acidic or heavy cannot grow good Ariocarpus fissuratus and easily leads to poor growth. Before sowing, enough fertiliser must be applied to ensure the fertility of the soil.
I believe that after reading the text above, everyone knows what kind of soil to use for growing Ariocarpus fissuratus! In fact, in the process of growing Ariocarpus fissuratus, soil selection is only the simplest step. There are still many growing techniques, so let us look at the following text together!
Ariocarpus retusus illustrated guide: how to care for Ariocarpus retusus / how to propagate Ariocarpus retusus
Ariocarpus retusus profileAriocarpus retusus
How to grow Ariocarpus retusus and points to note An introduction to Ariocarpus retusus
Ariocarpus retusus is a succulent cactus that grows in the subtropics. Ariocarpus retusus is half buried in the soil and has a very large taproot. The upper part is flat, 6-12 cm in diameter, with triangular tubercles that overlap to form transverse wrinkles.
Ariocarpus retusus has no crown at all and is grey in colour, making it very easy to hide itself in its place of origin. The top of Ariocarpus retusus has wool, and after several years of growth it produces large pink or yellow flowers.
Ariocarpus retusus contains bitter and toxic alkaloids, such as hordenine. These alkaloids can protect the plant itself from being eaten by herbivorous animals.
Morphological characteristics of Ariocarpus retusus
Ariocarpus retusus plants are mostly solitary; mature plants occasionally produce offsets from the base. They have a swollen, beet-like taproot, the above-ground part of the plant is rosette-shaped, and the apex bears milky white wool. The body colour is blue-green, covered with a white powdery bloom, and the plant width varies from 7-20 cm depending on the variety, with tubercles shaped like thick triangles. Flowers: terminal in late summer and early autumn, about 5-6 cm in diameter.
Because of the year-round dry and hot climate, the entire plant of Ariocarpus retusus is almost completely buried underground in its place of origin.
The tubercles of Ariocarpus retusus are arranged in a rosette, green or grey-green, covered on the surface with a white powdery bloom, flat or slightly concave on top, and smooth; outwardly it appears to have no spines. In fact, the newly grown tubercles in the middle of the plant do have spines, but they are very small and shrivel early, so they appear absent. Between the tubercles there is white or pale yellow woolly hair, and the flowering period is summer.
Ecological habits of Ariocarpus retusus
Ariocarpus retusus likes full sunlight, air circulation, well-drained soil (preferably sandy soil), and deep soil (because it has a thick fleshy taproot).
Ariocarpus retusus needs plenty of water during the growing season, but must not be waterlogged. In winter it requires cool conditions and should be kept with dry soil in the pot, and it is relatively cold-tolerant. Own-rooted plants grow very slowly. The seed-setting rate of the mother plant is very low, and the fruit takes a very long time to mature.
Cultivation techniques for Ariocarpus retusus
Although Ariocarpus retusus grows very slowly, it is very easy to grow. They have a tuberous root system and are especially sensitive to soil conditions; the ideal is a soil that drains well and contains only a small amount of humus. Special care must be taken to avoid overwatering, and the soil must be allowed to dry out completely before watering. They need water only during the summer growing period, and care must also be taken against excessive cold, with a minimum temperature that must be maintained at 12°C.
Ariocarpus retusus plants all grow in calcareous soil. Because of the relatively arid climate all year round, plants of this genus likewise have extremely strong water-storage and anti-transpiration abilities. From survey data from their places of origin we can see that Ariocarpus retusus has huge underground tuberous roots, thereby ensuring the continuation of life.
Ariocarpus retusus plants are very difficult to grow in a cultivation environment that uses peat soil and similar substrates as a long-term growing medium (the roots cannot breathe well), especially at maturity. Although in the short term they will show good signs of growth, in the end this only leads to poor roots, and this phenomenon is especially obvious in Ariocarpus trigonus - it causes its triangular tubercles to turn yellow and eventually die.
Through soil analysis and comparison from the places of origin and the author's experience, the ideal medium relatively suitable for wild plants of this genus should be fertile soil containing coarse sand. The ideal growing medium ratio for wild plants is: 30% heavy clay, 50% coarse sand and 20% limestone fragments of about 4 mm.
This medium has good water permeability and can return to a dry state just right, without becoming dense and airtight while moist. Of course, there are no strict requirements for the proportions of the various components in this formula; enthusiasts can adjust them appropriately according to local climatic conditions - for example, in dry and hot areas, the proportion of clay can be appropriately increased and the amount and size of coarse sand reduced, to prevent water in the medium from being lost too quickly. At the same time, some porous materials such as pumice can be added to the medium as part of the coarse sand, and a certain amount of potassium carbonate slow-release fertiliser can also be added; these are all very beneficial for growing plants of this genus.
As for horticultural varieties of this genus, because they have lived from a young age in a high-quality environment with large temperature differences and high air humidity, the root systems of most of these plants are not as well developed as those of wild plants. At the same time, in order to promote growth, most nurseries adopt the methods of root cutting and sterile cultivation to shorten the growth period.
This makes the cell concentration in such plants relatively low and their ability to resist drought and disease relatively weak. If they are cultivated and grown in the same way as wild plants in terms of soil and methods, the roots will find it very difficult to grow, and because they lack the nutrient reserves of the large wild root system, the leaves (tubercles) very easily shrink and turn yellow, thereby losing the ornamental value of the horticultural plant, or even dying. For this reason, the author suggests appropriately increasing the proportion of heavy clay (to meet the needs of the weak root systems of horticultural plants); at the same time, use coarse pottery clay pots with strong air permeability for growing them.
Propagation methods for Ariocarpus retusus
Ariocarpus retusus is easy to propagate; sowing, cuttings or grafting are all possible.
Rooting treatment for grafted plants
For grafted plants of the genus Ariocarpus, because the woody core is embedded relatively deep and it takes a long time for them to produce their own roots, most enthusiasts, due to improper early handling, end up with plants that begin to rot and grow mould before they have rooted, causing the entire rooting process to fail. In order to effectively explain the key points of rooting plants of the genus Ariocarpus, the author has edited and explained them based on personal experience and related online materials, hoping to express the key points of the rooting operation through intuitive illustrated explanations.
Grafting should mainly be based on the conditions required by the rootstock. If it is a three-angled cactus, then sufficient light, enough water during the growing season, fertiliser, and relatively high humidity and temperature will make the rootstock happy. If the rootstock is happy, the scion is happy. During winter dormancy, note that the minimum temperature should not be lower than 10C. Also be careful to water occasionally, so that the three-angled cactus does not lose its root hairs from excessive drought, causing it to shrivel or even die.
If it is an own-rooted mature plant, then during the growing season it needs high temperatures, large temperature differences, attention to ventilation, and absolutely sufficient light. Water and fertiliser must be kept up, and mastering this balance often determines whether your Ariocarpus retusus is shrivelled, very plump and healthy, or rotted into a pulp :P I like to use clay pots, or purple clay pots, and a mixed soil of half coarse sand and half pumice for growing. In this way, in very hot seasons, the plant may even need watering every day! If plastic pots are used, perhaps watering once a week is enough. In short, it also depends on the condition of your plant's growth. If it is not growing at all and you still force water and fertiliser on it, that is very dangerous... During winter dormancy I give it not a bit of water. Under these conditions, plants of the genus Ariocarpus can generally tolerate a sustained low temperature of 5C. If the temperature is high and the sunlight is good, some people also do not completely cut off water in winter. I belong to the more conservative group.
If it is a small own-rooted seedling, not a mature plant, then note that water must absolutely not be completely cut off. Some people even put the whole pot into a plastic bag after sowing and grow them that way for as long as a year! It can be seen that under conditions of sufficient temperature, these small seedlings very much like moisture. If they are allowed to dry out completely and the root hairs die, then recovery is very difficult.
How to grow Ariocarpus retusus: light, temperature and ventilation
For a plant to grow healthily, in addition to having a strong root system for absorption and normal watering, fertilising and care, it is also necessary to make full use of light, temperature and ventilation conditions for regulation, so as to ensure healthy growth and reproduction.
Light
For Ariocarpus retusus plants growing in northern Mexico, moderate sunlight intensity is especially important for plant growth. In the wild, most wild Ariocarpus retusus plants are half buried in soil among stones, which allows them to effectively resist direct high-intensity sunlight. Sunlight can keep their leaves compact and at the same time promote root development, enabling healthy plant growth.
Of course, high-intensity light can promote the formation of a huge root system, but it also makes the plant's leaves turn yellow and shrink, which for enthusiasts' cultivation means a certain loss of ornamental value (especially most horticultural varieties, which under strong light will rapidly turn yellow and shrink, thereby losing their horticultural ornamental value). At the same time, for newly potted plants, high-intensity light will cause them to dehydrate rapidly, or even lead to death.
According to the author's growing experience, wild plants can generally be placed in a diffused-light environment after potting; when the light is relatively strong, they must be appropriately shaded (so as to ensure the plant does not dehydrate due to overly strong light). After the plant gradually recovers, the light intensity and duration can be appropriately increased according to the growing environment. The author suggests that during the plant's recovery period, the principle should be to err on the side of weaker rather than stronger light, so as to ensure normal root recovery. When the plant has fully recovered and begins to grow, it can be moved to a full-sun environment. Most enthusiasts in China like to place wild plants outdoors to receive full-sun cultivation, which is very beneficial for maintaining the Ariocarpus retusus line (but it must again be emphasised that full-sun care can only be given after the plant has fully recovered). For horticultural varieties, the light intensity differs greatly from the care of wild plants.
By comparing horticultural and wild plants, it can be seen that because humidity, water and light are all moderate, horticultural plants grow very plump and with gorgeous colour. Based on the author's experience, horticultural plants need soft light and relatively high air humidity to ensure the plumpness of their leaves. If exposed to strong light, the plant's leaves will immediately shrivel and turn yellow, thereby completely losing their horticultural ornamental value, and in severe cases the root system will provide insufficient nutrients and lead to death.
The author suggests that in growing horticultural Ariocarpus, relatively soft light should be maintained so that the leaves are delicate and plump; at the same time, to ensure the compactness of the leaves, a longer light duration should be maintained. According to light testing: a colour temperature of 6000oK is the light most beneficial for the growth of horticultural Ariocarpus, capable of maintaining good leaf colour and promoting flowering.
Temperature and ventilation
In the third section, "Potting and repotting treatment", the author explained the optimal growing temperature for Ariocarpus (outdoors: 30 degrees during the day, 20 degrees at night; greenhouse: 40 degrees during the day, 20 degrees at night). Above 40 degrees, Ariocarpus retusus plants grow slowly; when it exceeds 45 degrees for a long time, the plant stops growing. According to the author's experience, when the temperature reaches 50 degrees and there are no good ventilation conditions, the plant will rapidly shrivel and become limp, and the plant may possibly be scorched or even die (this phenomenon is more obvious in horticultural varieties). For this reason, in hot summers, when the growing temperature rises to 45 degrees, forced ventilation and shading should be applied, thereby alleviating plant losses caused by rising temperatures.
According to experience, healthy plants already fully meet the overwintering requirements at temperatures above 5°C. The most difficult periods to control are from the flowering period to mid-to-late December and after the first watering in spring. At these times the plant's roots are not completely dry, and if the temperature drops to 5 degrees, root rot may occur. For this reason, the author suggests maintaining a temperature above 10 degrees in winter as much as possible and appropriately maintaining air humidity, thereby helping the plant recover in spring.
Variety classification of Ariocarpus retusus Main varieties
Ariocarpus retusus 'Himebotan', Ariocarpus retusus 'Black', Ariocarpus scapharostrus, Ariocarpus furfuraceus, Ariocarpus retusus var. major, Ariocarpus retusus, Ariocarpus trigonus, Ariocarpus furfuraceus 'Ivory', Ariocarpus lloydii, Ariocarpus fissuratus, Ariocarpus agavoides, Ariocarpus bravoanus, etc.
Plants of the same genus
Ariocarpus retusus var. major, Ariocarpus scapharostrus, Ariocarpus furfuraceus, Ariocarpus trigonus, etc.
Species
Ariocarpus agavoides
Species of the genus Ariocarpus
Species of the genus Ariocarpus (5 photos)
Ariocarpus bravoanus
Ariocarpus fissuratus
Ariocarpus furfuraceus
Ariocarpus lloydii
Ariocarpus retusus
Ariocarpus scapharostrus
Ariocarpus trigonus
Distribution range of Ariocarpus retusus
Ariocarpus retusus plants are mainly distributed in the northern Mexican regions of Texas and New Mexico, and have now been introduced and cultivated in both southern and northern China.
Most of Mexico consists of plateaus and mountains. Apart from the coastal areas of the Gulf of Mexico, which receive more rainfall, the vast inland plateau regions receive scarce rainfall; in particular, the northern part receives less than 250 mm of rainfall and belongs to desert and semi-desert regions, which are very suitable for the growth of cacti. Cacti have tenacious vitality and adaptability. In Mexico, whether on plateaus or plains, hills or basins, cacti can be seen everywhere. Mexico has a great diversity of cacti, accounting for more than half of the world's known cactus varieties. They have myriad forms and different styles, among which are many rare varieties including Ariocarpus retusus.
Garden uses of Ariocarpus retusus Horticultural cultivation
The medium ratio is 50% heavy clay, 30% coarse sand and 20% limestone fragments of about 3 mm. This potting method, combined with coarse pottery clay pots, can effectively meet the plant root system's needs for aeration and growth, ensuring the good growth of hair-like roots.
Cultural background of Ariocarpus retusus Origin of the name
Ariocarpus retusus is a genus of succulent cacti that grows in the subtropics. Its scientific name comes from the ancient Greek words for "oak" and "fruit", because their fruits are very similar.
Legend
At the beginning of creation, Ariocarpus retusus had a heart that was tough outside but tender inside. Ariocarpus retusus was the most delicate thing in the world, tender as water, and could lose its life at the slightest touch.
God could not bear it, and added a suit of armour to her heart, hard as iron, with sharp thorns that could wound people. From then on, no one could ever see the heart of Ariocarpus retusus again, and any creature that came near her would be covered in blood. Long afterwards, a hero wanted to remove this evil thing. With the drawing of the sword and the fall of the blade, Ariocarpus retusus was split in two, and from within came green liquid. It turned out that this was the sealed heart of Ariocarpus retusus. Because no one understood its loneliness, it turned into drops of tears; the green tears made the delicate Ariocarpus retusus all the more show her strength.
The flower language of Ariocarpus retusus
The flower language of Ariocarpus retusus is: strength.
Because of the relatively arid climate all year round, Ariocarpus retusus plants all grow in calcareous soil, half buried in the soil.
Pictures of Ariocarpus retusus