Grevillea
Content:
Grevillea: description
The plant of the Grevillea genus is considered to be quite large in size and directly belongs to the Protein family. It contains about 360 plant species, most of which can be found in the regions of Australia. Exceptionally 5 plant species can be found in other parts of the world, namely in New Caledonia, New Guinea, Sulawesi. The plant looks like an evergreen, creeping or erect shrub, which is most often small in size - no more than 0.5 m, but there are also varieties with rather large sizes, about 30 m high.The surface part of the cylindrical shoot is covered with a grayish and rather smooth bark. Alternate foliage is most often short-petiolate. Depending on the variety, the leaves of Grevillea can be of different shapes. The tubular flower can be sluggish and divisible. Despite the fact that they are small in size, they are able to form inflorescences that look like a brush of large size, since they have very long pistils.
Grevillea: home care
Houseplant grevillea: flower photo
At home, the Grevillea flower is suitable for growing as an ornamental deciduous. Grevillea is very popular among gardeners thanks to its leaves, which are spectacular and delicate. But growing it at home will be quite difficult. It is more suitable for growing in a greenhouse, which has a special climate.
Lighting Mode... Throughout the year, the Grevillea plant needs very bright, but at the same time diffused lighting. Daylight hours should last for about 9-10 hours. If the weather is cloudy outside, or autumn or winter has already come, then you will need to take care of providing the plant with additional special lighting.
Temperature.
- In warm weather year, the temperature regime should vary from +19 to +24 degrees.
- In the winter season the grevillea plant prefers coolness - from +6 to 12 degrees.
Watering mode. From mid-spring to October, the Grevillea flower will need abundant watering. It is imperative to ensure that the substrate in the container always remains slightly damp. In winter, you need to reduce both the frequency and the amount of watering, but do not forget to keep in mind that the soil does not dry out. For irrigation, water should only be settled, soft and at room temperature.
Level humidity.
The indoor plant of the Grevillea needs a high level of air humidity. It is for this reason that it will be necessary to frequently spray the plant. It is also possible to use a domestic steam generator. If you notice that the leaves of Grevillea have begun to turn yellow and dry, this indicates a low level of humidity. After which the death of grevillea leaves begins
Prune the plant with grevillea.
Grevillea plant: flower photo
This type of plant is distinguished by its rapid growth with rather large sizes. If you want to be the owner of a compact tree, which will have a spectacular and neat crown, then you will need to regularly prune, and also often pinch the ends of the stems. It will be a big help for Grevillea to keep her growing.
Soil mixture.
The soil should be loose, slightly acidic and saturated with essential nutrients. In order to create a suitable soil mixture, you need to mix peat, coniferous and leafy soil and river coarse sand (2: 1: 1: 0.5).It is also possible to add crushed charcoal or brick chips (small amount) to the soil mixture. At the bottom, it is necessary to prepare a good drainage system in order to avoid the appearance of stagnation of moisture in the ground.
Fertilization.
Fertilizer should be applied in early spring and finished in October. Fertilizers need to be applied 2 times a month with the help of complex fertilizers for the deciduous houseplant grevillea. Fertilization is prohibited in autumn and winter.
Plant transplant.
Until the age of 3 years, it is allowed to transplant the Grevillea plant 1 time. Older plants are allowed to transplant once every 2-3 years. If the plant has become very large, then it does not need to be transplanted, however, once a year it will be necessary to remove the top layer of the substrate, to the root system and replace it with a newer one. All actions should be carried out with extreme care and accuracy.
Grevillea: flower reproduction
Grevillea from seed: plant video
It is possible to propagate the Grevillea flower by grafting or by seed. For grafting, it is best to choose August. The upper part of the shoots, which are distinguished by the presence of 2-3 internodes, is subject to cutting. The slices must be placed in a special stimulating agent for the formation of roots, after which they are planted in a container, inside which there will be moistened sand, after which the container is covered with a jar or plastic wrap. After rooting occurs, it will be necessary to transplant in a small container. Sowing seeds should be done at the end of winter. To do this, you can use a low, wide bowl, which is best placed in mini-greenhouses that have bottom heating. To ensure that the seeds of Grevillea germinate, you should also think about coloring.
Diseases and insect pests
The Grevillea plant is rarely exposed to various diseases and insect attacks. the disease can appear if the plant has been given insufficient or improper care, for example, low humidity, irrigation errors, high air temperature.
Main varieties
Large.
Grevillea plant: flower photo
In their usual conditions, trees can reach a height of about 14 m.Leaves are short-petiolate, pinnate have about 25-30 broad-lanceolate cut segments, the length of which can reach 20 cm.The color of the front side of a rich green color, smooth, has a distinct venation of lobes. Slight pubescence is present on the seamy side. Axillary inflorescences are located in a horizontal position, have orange flowers in their composition. Their length can be up to 12 cm, outwardly they can look like longitudinal halves of a cylinder. The pistils are capable of creating an unusual shape that is directed in one direction - upwards. Banks. The plant looks like a compact tree, the height of which is up to 5 m, or a shrub. The length of pinnate foliage can reach up to 20 cm and include 4-11 narrow-lanceolate whole-edge lobes. The front side of the leaves is smooth and greenish-gray in color, from the seamy side it is silvery. Flowers of a red-scarlet shade form axillary and apical inflorescences, which are in the shape of a cylinder. Their length can be up to 10 cm. Long pistils have one main distinguishing feature - the presence of tips, which are crocheted of a rather large size. Due to this feature, the inflorescence resembles a curly brush.
Rosemary-leaved grevillea.
Rosemary rosemary plant: flower photo
The rosemary grevillea looks like a tall shrub - up to 1.8 m. Sessile green leaves have a narrow-lanceolate shape, almost acicular.The bicolor flowers of Grevilleia rosemary have a white-red hue and are collected in an apical small-flowered inflorescence that has the shape of a brush.
Candelabra.
Grevillea plant: flower photo
Grevillea of this type is a very large and tall shrub, it can grow up to 3 m in length. The feathery foliage is distinguished by the presence of narrow, almost threadlike lobes. White flowers are collected in apical inflorescences, which are located in an upright position, dense, which have the shape of a cylinder, the length can be up to 25 cm
