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Grevillea

Grevillea


Grevillea (Grevillea) is an evergreen flowering creeping or erect shrub or tree belonging to the Protein family and is widespread on the Australian continent. The genus has about four hundred species and varieties, but only 5 of them can be found in other territories (for example, in New Caledonia and New Guinea). Plants differ in height, shape and color shades. For example, the shrub form of grevillea reaches a height of no more than 50-150 centimeters, and trees can step over the thirty-meter mark in growth.

The main features of the culture are cylindrical smooth gray stems, alternate bright green leaves and racemose inflorescences of small tubular flowers with long pistils. The most popular types are called "Banks", "Large", "Candelabra" and "Rosemary". Each of them has its own individual differences.

Home care for grevillea

The capricious Australian beauty can be grown as a houseplant as an unusual decoration and for its extraordinary appeal. True, a flourishing culture requires a lot of attention and patience. She prefers special climatic conditions that can only be achieved in greenhouses.

Location and lighting

Bright diffused lighting is required by Grevillea for at least 10-12 hours a day throughout the twelve months. In the period of short daylight hours and in cloudy weather, you can use fluorescent lamps or phytolamps for supplementary illumination.

Temperature

In the spring and summer months, Grevillea feels favorable in the temperature range of 19-25 degrees Celsius. And in autumn and winter, she needs cooler conditions of detention - from 6 to 12 degrees.

Watering

Abundant and regular watering of Grevillea is carried out for 7 months - from March to October, and in the rest of the period, the volume of irrigation water must be reduced. Overdrying the earthen coma negatively affects the development of the flower, therefore it is worth maintaining constant moderate humidity in the soil (without excess). Water for irrigation should be taken soft, after daily settling and with a temperature close to room values.

Air humidity

Grevillea is very fond of high air humidity, and in a room with dry air, yellowness will appear on its leaf plates, then the leaves will dry out and fall off. It is recommended to maintain the humidity using a household steam generator or regular and generous spraying.

The soil

A favorable soil for growing room grevillea will be a soil mixture of two parts of coniferous land, one part of peat and leaf land, half of the sand (coarse-grained), a small amount of crushed charcoal and brick chips. In terms of structure and composition, the soil should be slightly acidic, nutritious and light, with good air permeability. When planting in a flower pot, be sure to pour good drainage to the bottom, which will not allow water to stagnate in the root part.

Top dressing and fertilizers

The plant receives additional nutrition from regular fertilizing with complex mineral fertilizers every 2 weeks from March to October.

Transfer

In the first 3 years, it is recommended to transplant Grevillea every year in the spring, and then - once every 3 years. In adulthood, this procedure is no longer required for the plant. Instead, replace the old substrate in the upper layer.

Pruning

One of the individual characteristics of the Grevillea is its rapid growth, which is why the tree begins to occupy a large space in the room. Timely formative pruning and pinching of the tips of the shoots will create a compact plant with a beautiful and well-groomed crown, and will also slightly inhibit growth.

Reproduction of grevillea

Seed propagation

The seed breeding method for grevillea begins at the end of February. The seeds are germinated in greenhouse conditions, with good lighting, the right temperature and humidity.

Propagation by cuttings

For grafting, you need to use semi-lignified cuttings, which are taken from the apical parts of the shoots. Each cutting should have at least 2-3 internodes. Slices must be treated with rooting stimulants, and then place the cuttings in wet sand and cover with foil.

Diseases and pests

Pests never bother this plant, and Grevillea can only get sick due to violations of the conditions of detention and with improper care. Dry air and high room temperature, excess or lack of moisture in the soil. Untimely feeding - all this will lead to a loss of decorativeness and the development of various diseases.

Grevillea species

Grevillea banksii - is a small tree no more than 5 meters high or a shrub that consists of pinnate leaves up to 20 centimeters long with a smooth gray-green surface on one side and a silvery pubescent on the other, and bright red flowers with long curved pistils in the apical inflorescences.

Grevillea robusta Is a tall tree, reaching fifteen meters in the wild. The culture has large leaf plates, from 15 to 20 centimeters in length, pubescent on one side, and with a smooth surface on the other, and horizontal axillary inflorescences of orange flowers with pistils directed upwards.

Grevillea candelabroides - Grevillea grows as a spreading, lush shrub about 3 meters in diameter and in height with feathery leaves and apical inflorescences of white flowers.

Grevillea rosemary (Grevillea rosmarinifolia) - is a small shrub (about 1.5 meters) with deep green needle-shaped leaves, reminiscent of pine needles, and racemose inflorescences on the tops of red and white flowers.


Caring for these flowers

Catazetums and related species can be grown in pots and baskets as well as in blocks.

The substrate for them is prepared from moss and pieces of bark, you can add a little charcoal to it. During growth, these orchids require a lot of moisture and heat, and in winter, during the dormant period of the plants, watering should be stopped completely or switched to rare spraying of the substrate if the orchid stems begin to wrinkle strongly.

In spring, plants wake up after a gradual increase in watering and transplantation into a fresh substrate. Ignoring the natural rhythm of development of these orchids leads to plant depletion and the occurrence of diseases. Between mid-May and mid-September, you can take your orchids outdoors, on a balcony or in a garden. A place should be chosen protected from rain and strong winds. As practice has shown, after such a vacation, plants bloom much more abundantly.


Houseplants in groups

Some indoor plants with decorative foliage look better when placed separately from other plants. But there are many indoor plants from which you can create unique and amazing compositions by combining plants of the same species or color in groups. There is an opinion that plants in groups grow even better.

To create unique compositions from indoor plants, not only your imagination is required. One of the important requirements for grouping plants is the same conditions of maintenance and care. Only the correct grouping of plants will allow you to get a really bright effect.

The easiest way to create compositional groups of indoor plants is to place several flowerpots or other containers next to each other. The unity of the entire composition can be achieved by combining several flower containers from the same material or several pots of the same shape and color. Ideally, if the plants are in harmony with each other.

A beautiful composition can be obtained from related plants, for example, from cactus or bromeliads. Compositions based on a combination of colors and shapes that harmoniously complement each other or contrast with each other look spectacular. Monochromatic green leaves add lushness to colorful foliage, and conversely, one green plant in the middle of brightly colored foliage has a calming effect. A tall plant, located between small ones, creates a certain tension in the group, and a plant with shoots hanging along the edges of the pot brings variety to strict forms.

Artful groupings can be created by combining leaf structures. So, fleecy and wavy leaves look very good along with smooth and shiny foliage.

Several plants in one container

The most common way to group potted plants is to plant them in a common container. In this case, the plants retain moisture in the soil and air longer, occupy a smaller area, complement each other, hiding imperfections. Such compositions can often be seen in public and administrative buildings, offices. But even in apartments, flower arrangements in one pot make a strong impression. When creating a mini-garden in one pot, you should know what each plant needs.

The main thing is the same desires

When combining indoor plants into a group, their conditions of maintenance should be taken into account. So, a sun-loving cactus and a fern that prefers shade, a cyclamen living in the cool and a thermophilic Saintpaulia, cannot live side by side.

Also, in the same group there should be plants with the same care requirements. A drought-resistant cactus will never get along in one pot with a real waterloaf cyperus. If you group the plants correctly, you will soon notice how much better they will start to grow. And there is nothing surprising in this. Each plant evaporates moisture, thereby increasing the air humidity for the neighboring plant and creating an ideal microclimate around itself. This microclimate is only beneficial to plants.

Planting in one container

To create compositions from indoor plants, low bowls, any baskets and large containers are suitable. Take a look in the kitchen cabinet. There you will find many things that are suitable for planting. When planting plants in a container, it is necessary to provide for good drainage to prevent stagnation of water, which leads to rotting of the roots. Plants should be planted at some distance from each other so that each of them has its own feeding area, in addition, they should not shade each other, otherwise the stronger plants will overwhelm the weaker ones. If they are too close, then there may be a danger of various rot and diseases.

There is one big disadvantage of this grouping method: in one container, the roots of one plant can intertwine or grow together with the roots of another plant. This means that you cannot take out (if the container for this plant has become small or if the plant is sick) one plant without affecting the other. That is, in this case, there is a risk of damage to the roots of another plant.

In a mini-garden, placed in one container, all the plants are lit in approximately the same way, but less light gets into the center than around the edges. This should be taken into account when selecting plants.

Pot group

Anyone who likes to change compositions often and at the same time wants to avoid the problems that arise when planting plants together in one container should choose a different method. This grouping method consists of all plants growing in separate pots, but placed close to each other. You can purchase a large container and place the flower pots in it so they are not visible. The free space is filled with expanded clay or coarse-grained pumice sand.

In winter, expanded clay or sand is moistened. This contributes to an increase in the humidity of dry air during the heating period. And your plants will feel much better. However, you should be careful when watering, as in large containers water quickly accumulates imperceptibly. Its prolonged presence in the pallet can harm the plants.

It is possible to combine into one group, while making a beautiful composition, such different types of plants as climbing abutilone, ampelous episode, bushy aglaonema, dieffenbachia, as well as caladium and dizygotek can be. Since these plants all have different water requirements, they must be grown in separate pots. Some plants that prefer shade can be placed under the leaves of other plants. When the episode ends, it can be replaced with a low-growing fittonia.

Group planning

Many indoor plant lovers stick to geometric shapes when planning their groups. So, for example, one group of plants can be circular or triangular in shape, create a vertical or horizontal rectangle. And flower pots, in turn, accentuate each of these shapes. Thus, when choosing plants, you should carefully think about whether all the plants fit into the planned shape and whether they have the same living conditions.


Various shades of green can be combined into one elegant group. Here, the dark green aspidistra (D) is adjacent to the light green aspelenium (A). The juicy openwork shoots of pteris (C) and creeping ficus (B) give the sun-drenched group a special charm.
You can plant different plants in one flower pot only with the same requirements for soil, lighting, temperature and humidity. Planted together with nidularia (D) with solid green leaves, variegated dieffenbachia (C), arrowroot (A) and curly epipremnum (B) need moderate watering and cannot tolerate direct sunlight.

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