Houseplants

Radermacher - Emerald Queen

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The charming radermacher has its popular name "emerald tree" was by no means accidental. This plant is large enough, belonging to the most beautiful indoor wood. Glossy, brilliant and very beautiful feathery foliage forms a surprisingly elegant crown, as if wrapping all surrounding space into an atmosphere of mystery and peace. It is surprisingly simple to grow a radermacher, and responds to modest care by the rapid growth and radiant beauty of the mass of leaves. Despite the fact that it got to Europe only in the second half of the 20th century, the radermacher quickly gained popularity and today is considered one of the most spectacular large indoor crops.

Chinese Redermacher (Radermachera sinica).

Flawless Gloss Aerial

If you are looking for a plant that alone can create the effect of drowning in greenery, reproduce the "greenhouse" atmosphere of a delightful forest corner, communicate with nature and living plants, perhaps the radermacher is the best choice (even in comparison with a variety of indoor ficuses and vines). In "atmospheric conditions" only ferns can compete with this plant, but in the size of the radermacher they significantly exceed them.

This is one of the most spectacular indoor woods with openwork, light-transmitting, but at the same time massive crown, able to set delightful green accents in the interior. The secret of beauty of the Rädermacher lies precisely in the decorativeness of luxurious, fresh leaves that fill the whole house with harmony and seem to be cut off from the outside world. True, this plant, due to its size, affects the space somewhat overwhelmingly and it is more appropriate to use it in working corners and areas that need to be visually separated, made more secluded.

Radermachera (Radermachera) is among the houseplants Bignonius family. Like almost all shrubs and trees among them, the radermacher also represents Southeast Asia. The purely popular nicknames of the radermacher are only the "emerald tree" - the Emerald Tree - are not exhausted. This plant is also known as the “China Doll” and “Serpent Tree”. In nature, this evergreen beauty reaches 30 m and grows mainly up, but in the room it is much more compact, with a height and width that are almost equal to each other.

The most beautiful part of the radermacher is undoubtedly cirrus, bright, with an emerald hue of color and a dazzling glossy sheen, large leaves growing up to more than half a meter in length and consisting of small pointed oval leaf lobes up to 4 cm long. In room culture, the radermacher does not bloom , but in nature it produces spectacular bells - large flowers with a grayish-yellow color, which bloom at night and exude a sweet aroma of cloves.

Out of a dozen natural species, the radermacher uses one and only one in room culture. Radermacher Chinese (Radermachera sinica) is a compact evergreen shrub that is distinguished by a greater density of openwork crown than its fellow giants in nature. The Radermacher grows to 1.5-2 m, is distinguished by its rapid pace of development, a powerful trunk branching from the very base. The leaves of this radermacher are complex, twice or thrice pinnate, grow up to 45-50 cm in length and show off with graceful lanceolate lobes, serrated along the edge, bright glossy and rich green. Today, along with the classic Rädermahermen, the variegated variety "Kaprima" is very popular, combining bright lime and dark green and looking very catchy.

Raddermacher is rightfully considered one of the most unpretentious large indoor plants. These beauties require control of the humidity of the substrate, but otherwise completely undemanding and adapt well enough to typical room conditions. Radermacher does not suffer from one-time misses in care, but requires a regular and systematic approach to growing. This plant retains its decorative effect throughout the year, without exception, the dormant phase does not require the creation of any special conditions.

Not only experienced flower growers will be able to grow a radermacher, but also for beginners who want to replenish their collection with a large plant. The most important thing is to choose the most bright pot for the radermacher (this plant is not afraid of even the most variegated patterns and flowers) and provide modest care.

Chinese Redermacher (Radermachera sinica).

Caring for a radermacher at home

Lighting

The emerald tree belongs to the photophilous indoor plants. The luxurious glossy foliage of this giant is afraid of direct sunlight, leaving them burns. But from the number of scattered locations, it is put up with both bright areas and light shading. The eastern and western window sills or locations in the interior near the southern windows, which are equal to the east-west ones in light intensity, are considered to be the optimal content regime for the radermacher.

In the shade, the plants stretch, shoots become unpleasantly rare, the beauty of the leaves is lost. But if you are not opposed to the plant developing in the form of a liana, then you can safely put the radermacher at partial shade of any intensity. Within the framework of light to partial shade locations, you can experiment with young radermacher by trying to lower the illumination and observing how the plant develops, focusing on the location selection primarily on the decorativeness of the crown and its changes.

During the winter, it is necessary for the radermacher to provide the correction of lighting associated with its seasonal reduction. From mid-autumn until the beginning of spring, it is better for the radermacher to provide a lighter location by placing plants even in sunny areas. Relocation to a more lighted place can be replaced with artificial lighting.

One of the essential nuances of growing this room culture is the need to take into account the light dependence of the radermacher. Plants need to be regularly rotated with respect to the light source so that the crown develops evenly. Turning is especially important for young cultures in which the main branches are only forming.

Chinese Redermacher (Radermachera sinica).

Comfortable temperature

It’s very easy to select a comfortable air temperature for the radermacher. This arboreal tree feels great in the "room" ranges that are familiar to man in winter and summer. The critical low point for this thermophilic plant is 13 degrees in winter and 18 degrees in summer. It will not be able to withstand lowering below 10 degrees at all; up to 13 degrees will lead to stunting and partial loss of leaves.

In summer, this plant feels great in the range from 20 to 25 degrees Celsius; in winter, a temperature of 18-21 degrees is more suitable for radermacher. It is not necessary to provide a winter temperature drop. If the radermacher will be in a stable environment with an air temperature of 20 to 25 degrees all year round, the attractiveness of its crown will not suffer from this at all.

Radermacher belongs to indoor plants, which are very fond of fresh air. The room in which it stands can be ventilated as often as desired. In this case, the plant responds well to temperature extremes. But this tree with luxurious feathery leaves does not like drafts, it is better to protect the crown from them. In summer, the radermacher should not be put into the garden, but she will be comfortable on the sheltered balcony or terrace.

Watering and humidity

Watering requirements of a radermacher can be called typical for most indoor plants. This plant does not like the complete drying out of an earthen coma, nor its overmoistening. The more stable the humidity of the substrate, the more beautiful the radermacher will be and the less problems you will have in growing it. The soil inside the pot should always be slightly moist, but no more. A reference for the frequency of procedures is the drying of the upper layer of the substrate. In summer, watering is carried out as soon as the top layer (centimeter) of the soil dries. In winter, it is necessary to wait another 1-2 days after drying of the upper prosharka.

For the radermacher, throughout the year they use water at the same temperature as the air in the room. It, as for all indoor decorative foliage plants, should be soft and settled.

Despite their Asian origin, the radermacher prepared their owners a wonderful surprise on the requirements for air humidity. These plants look most beautiful if these indicators exceed 50%. But the dry air of the radermacher does not tolerate so badly, at the same time, the tips of the leaves are not prone to browning and the color is practically not lost. For a plant, there is no need to systematically moisten the air.

Woody also feels great in ordinary room conditions, while to maintain beauty it is enough to periodically spray greenery from the small spray guns, and also do not forget about the need to rid the leaves of dust accumulated by simple showering. For spraying plants, as well as for showering, it is desirable to use only water at room temperature, not cold and not warm.

Chinese Redermacher (Radermachera sinica).

Fertilizers for Radermacher

Fertilizers for the radermacher are introduced in the traditional period from March to September, when the plants are in the phase of active development of shoots and leaves. For this crop, fertilizing during the winter is not recommended (with the exception of plants that have not been replanted for several years and for which it is necessary to restore the level of nutrients in the soil, continuing to fertilize 1 time per month even in winter). The optimal frequency of feeding is 1 time in 2 weeks.

For the radermacher use fertilizer mixtures for decorative and deciduous crops, observing the dosage recommended by the manufacturer.

Pruning

After transplanting to thicken the crown and restrain the height of the plant, if desired, you can pinch the tops of the shoots. The ridermacher does not need a full-fledged formative pruning, since by nature she also has a very beautiful and dense crown.

Transplant and substrate

Only a loose fertile soil with a high-quality rough structure is suitable for a radermacher. For this plant, you can use both classic universal purchased substrates, and special substrates for decorative foliage plants. When compiling the mixture yourself on a standard portion of turf soil, humus, peat, add a double portion of leafy soil and about half a portion of coarse sand.

The transmissions of the radermacher are carried out annually only at a young age. Adults transship in a new container only after the roots have completely mastered the substrate and begin to crawl out of the holes. The best time is spring, but they always focus on the situation with a particular plant. Typically, the frequency of procedures is about 1 time in 2-3 years. Upon reaching the maximum possible volume of pots, the rhizomes of the plant can be cut to reduce its volume (but it is better to keep the earthen lump as whole as possible). When transplanting with a radermacher, the level of deepening of the plant remains the same, and the middle or high layer of drainage is always laid at the bottom of the tank.

Chinese Redermacher (Radermachera sinica).

Diseases and pests

Radermacher can not be called the most invulnerable indoor corruption. Mealybugs and spider mites love to settle in huge crowns. At the first sign of pest damage, especially active with extremely dry air, it is necessary to immediately begin the fight with insecticides. At the same time, regular examinations will allow you to detect pests at the earliest stages, because aphids, scutes, spider mites from the radermacher lead to the rapid yellowing of leaves and young shoots, which make it easy to judge the appearance of problems.

But diseases, with the exception of rot during waterlogging, are practically not found in the emerald tree.

Common growing problems:

  • falling and yellowing of leaves with excessive shading;
  • leaves become soft, droop, lose stiffness, become translucent or too pale with drought or excessive waterlogging;
  • shoots are stretched in low light;
  • the tips of the leaves dry out under excessive light or in extremely dry air in combination with insufficient humidity of the substrate;
  • the plant releases too small and dull leaves with insufficient nutrition or in the shade;
  • weak, thinned shoots develop with too meager fertilizers.
Chinese Redermacher (Radermachera sinica).

Emerald tree propagation

This culture cannot be ranked as the easiest plant to reproduce. But since both vegetative methods and the seed method are available for her, you can get a new generation of plants at home if you wish.

The seeds of the radermacher are rarely found on sale; they do not ripen at room conditions due to the lack of flowering. But if you managed to get them, sow them in a light substrate, covering them with glass or film and provide good lighting in addition to air temperature above 20 degrees Celsius. With stable humidity, friendly shoots will appear in 10 days. They are best grown without transplantation for 15-20 days, after which it can be planted in individual containers.

Cuttings from a plant can be cut from the apical part of shoots in May-June, the months of the most intensive growth. Green apical cuttings about 10 cm long are well rooted in a mixture of peat and sand or in clean sand under any cover. The main condition for rooting is frequent spraying to maintain stable substrate moisture, airing and maintaining the temperature above 22 degrees Celsius.

It can be propagated by a radermacher and layering. Cuttings about 1-2 cm long are made on the stems of plants. Wrapping the cut with moist moss or substrate, fixing a foil, film or polyethylene from above and constantly maintaining the humidity of the substrate, you can wait until the roots appear. But for the radermacher it is important not to rush to cut the branches, but to wait for the moment when the roots completely fill the lump of moss or substrate. After rooting, the shoots of the radermacher are separated from the mother plant and planted in individual containers.

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