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Rhipsalis cereuscula is a species of cactus and is colloquially known as coral cactus. The cactus is native to South America and grows mainly in Argentina, Bolivia and Brazil, because of its tropical origin, this is not hardy. Rhipsalis cereuscula is suitable all year round only for the room culture, but may spend the summer in a sheltered location outdoors at warm temperatures. The cactus grows epiphytically, which means that it grows sitting on a tree, its shoots can be up to 60 cm long.
Location & Planting Substrate
Rhipsalis cereuscula needs a light location and a loose substrate so it does not get drenched. The plant should not be too close to the window to avoid being burnt by the sun. With a little distance to the window this can endure even summer noon heat. Over the summer, the cactus may move to a half-shady to sunny place on the balcony, the terrace or in the garden.
If the temperatures worsen, it should move back into the living room. In addition, Rhipsalis cereuscula must be very slowly accustomed to the direct sun, which is no longer filtered through the window. The following aspects must be taken into account in the site conditions and the plant substrate:
- sunny to partially shaded location
- Optimal sunshine in the morning, in the evening and all day in winter
- plump midday sun is not tolerated
- permeable plant substrate with sand fractions
- ideal is commercially available cactus soil with proportions of pumice, pine bark and clay granules
- does not tolerate cold earth
Temperature & humidity
Rhipsalis cereuscula thrives well in normally temperate rooms, when the room temperature remains consistently high throughout the year. In addition, slightly increased humidity is beneficial for improving growth:
- cultivate all year round at room temperature
- prefers a high humidity
- Place containers in the room with water to increase humidity
- in between spray with water mist, but not too often
Rhipsalis cereuscula requires significantly more water than its relatives living in the steppe and desert areas. The frequency of the casting units depends on various environmental factors. During the hot summertime, the water requirement of the plant is significantly higher than in a cool winter location. In addition, a large specimen with many shoots needs much more fluid than a young cactus. The plant substrate should never completely dry out, which leads to harmful effects on the cactus. After the purchase must not be fertilized in the first year, since the finished substrates are already fertilized in advance. The same fact is also valid after repotting, as the clay granules and the earth mixes for cacti contain a fertilizer. If fertilization is forgotten now and then, this does not harm the Rhipsalis cereuscula. The following criteria should be considered when casting and fertilising:
- water abundantly during the growing season (spring to summer)
- Substrate between the water almost, but not completely dry out
- the smaller the pot, the more often you pour
- In winter, pour moderately at normal room temperatures
- extremely sensitive to limescale, use only soft water
- ideal is pure rainwater
- Waterlogging is not tolerated
- from April to September
- Fertilizers are ideal for vegetables, green plants, cacti and orchids
- Give fertilizer once a month
- In order to support the increased formation of buds, fertilize every 2 weeks
- after opening the buds completely adjust fertilizer
If the planter has become too small, then the repotting is due. Since the cactus form only a few and very small roots, this process is rarely necessary. Ideally, the Rhipsalis cereuscula should be repotted during the growing season and not during the winter season. The following procedure should be observed when repotting:
- The time from spring to autumn for repotting is ideal
- Carefully remove the cactus from the pot and clean it carefully
- If necessary, add fresh soil to the new planter and insert the cactus
Rhipsalis cereuscula forms long shoots and is therefore ideal as a traffic light plant.The flowers of this leaf cactus are quite small, but very pretty, but these hold only a few days on the plant. After the flowering period, small and whitish fruits develop, with a berry-like shape that lingers on the cactus for several weeks:
- light green and slender shoots, cylindrically shaped
- branch out at the end and form numerous side branches
- occasionally short bristles form in the area of the areoles, shoots and branches
- Greenish white flowers spring from the areoles, at the top of the shorter side branches
- star-shaped flowers are formed in large numbers, with a fairly strong scent
- Flowering time is in early spring, with good care it can come to later flowering
The Rhipsalis cereuscula can be cultivated all year round at room temperature or cold winter. When the plant is wintering, this phase has a positive effect on abundance and growth:
- at about 15° C, in a location without direct midday sun
- ideal are corridors, attics, unused guest rooms
The leaf cacti are best propagated by cuttings in the warm season. Ideal is the preference in a special cultivation pot, which should never be in the blazing midday sun:
- ideal time for reproduction is from spring to summer
- optimum temperature values are between 20-28° C
- cut off a healthy shoot about 8-15 cm long
- Cuttings can be planted immediately after cutting
- use substrate recommended for cacti
- Insert the cuttings in small groups of a few specimens into the seed pot, approx. 3-4 cm deep
- The following 3-4 weeks keep the plant substrate only slightly moist
- Following rooting, the young plants can be maintained like mature individuals
With incorrect care and inappropriate site conditions, Rhipsalis cereuscula often tends to cause the following diseases and pests:
- Infestation with mites, lice and mealybugs possible
- Mealybugs form as small and white webs resembling cotton buds
- Check cacti regularly for pests
- Infestation is easy to recognize on the leaves and shoots of the affected plants
- Incidence of root rot with too many waterings
- Bad are constantly damp soil and insufficiently drained soil
Rhipsalis cereuscula is ideal for the indoor culture and is a perfect plant, as the shoots can hang down over time. The cactus is relatively easy to care for and can easily be multiplied with the help of cuttings. Due to its tropical origin, Rhipsalis cereuscula is not hardy, but enjoys a cooler winter habitat in living spaces. Following the winter season, the cactus will bloom richer and grow stronger. During flowering in spring, the plant forms star-shaped flowers, which smell intense and are a beautiful ornament. Important location factors are the avoidance of midday heat and waterlogging, so that Rhipsalis cereuscula can develop healthy.
Worth knowing about Rhipsals cereuscula shortly
Rhipsalis cereuscula is the best known representative of this cactus species. The plant forms slender, cylindrically shaped, light green shoots. These branch at the ends and also form numerous side branches. In the areoles and on the surface sporadically short spines can form. The flowers form on the tips of the short side branches, out of the areoles. Rhipsalis cereuscula is of medium size. In growth, trunk and branches tend to develop in depth. It is a good hanging plant, which originates from South America.
- Rhipsalis cereuscula needs a light location. However, she does not tolerate the midday sun.
- The plant can be put outdoors in the summer - protected from the midday sun.
- Morning and evening sun tolerates the Kakteenart well. Also, the place should be protected from wind and rain.
- In winter, the plants also like to warm.
- You do not have to spend the winter in a cool environment to make flowers. Ideal are temperatures between 16 and 20° C.
- It is important to limit the watering. The cooler the plants are wintered, the less one pours.
- At about 5° C you set the watering all.
- It is important that the plant substrate is well drained. Excess water must drain well.
- Peaty, sandy soil is ideal. She should be soft.
- Like all cacti, Rhipsalis cereuscula does not need much water.
- One always waits with the casting until the plant substrate is well dried.
- However, the plant bale should not completely dry out, although this is even better than if the plant is too wet.
- If the bale is dry, it is best to dip it in plenty of water, so that it can suck properly.
- Superfluous water should be drained about 10 to 20 minutes after watering because standing wetness is usually deadly to the plant.
- The roots then rot and the Rhipsalis is beyond saving. The plants can store water inside.
- If the plant is too dry, it can be recognized by the dry and dried-looking twigs.
- Rhipsalis cereuscula like a high humidity. In the room you should set up vessels with water to increase the humidity.
- Regular spraying of the plants is not recommended.
- The plants are fertilized with cactus fertilizer. You fertilize every 14 days to once a month, from spring to budding.
- Once a part of the buds has opened, you stop the fertilization.
- Rhipsalis cereuscula can be trimmed if necessary.
- A pruning is beneficial if the plant is to become lush and bushy.
- Rhipsalis cereuscula is propagated via cuttings. The best time for it is the summer.
- One uses Stammstecklinge, which sets in a mixture of sand and peat in equal parts.
- It is best to always plant several cuttings close together.
- The plant substrate must be kept slightly moist during the first few weeks.
- Later, when roots have formed, one treats the young plants like mature specimens.
- As pests occur mites, lice and mealybugs.
- Too much watering and the resulting constantly moist soil lead to the occurrence of root rot just like a poorly drained soil.