Verbena is an unpretentious herb. Even perennial growers often grow perennial varieties in flowerbeds. The shrub has a rather long flowering period and an attractive appearance. Flowers will be pleasing to the eye before the onset of frost, if the withered buds are removed in a timely manner. In regions with a cold climate, the plant is often grown as an annual. This is due to the fact that verbena does not tolerate frosts. In open ground shrub normally develops and blooms only in the south.
Features of the plant
Verbena is a perennial, highly branching plant of the Verben family. The birthplace of the flower is South America. Its height varies depending on the selected variety in the range of 20-100 cm. Stems can be creeping or straight, as well as leafless. The leaves have a rounded or oval shape, painted in a light green shade. The rhizome of the shrub is small, compact in size. The flowers are small, gathered in complex inflorescences in the form of umbrellas. There are a variety of colors: purple, pink, white, yellow, purple.
Garden flowers appear in June and do not lose their beauty until late autumn. On one plant at the same time can bloom about 30 inflorescences. The shrub can withstand small frosts, not exceeding -3 ° C.
Today, verbena is a popular plant that is often grown in garden and household plots. The flower does not require special care, it blooms for quite a long time, it allows to realize the original ideas of landscape design. Consider the most common plant species.
Differs openwork elongated leaves and flowers. The latter are painted in attractive delicate colors: purple, white, purple, pink. The maximum height of the shrub is 20 cm.
Canadian Verbena is a perennial plant, but in Russia it is grown only as an annual. Flowering continues throughout the summer and 2 autumn months in warm regions.
Just like the previous species, hard verbena is grown as an annual. Straight or creeping stems are distinguished by strong branching. Leaves are elongated, hard, with pointed edges. On the lower side there is a edge. Small purple flowers are collected in a beautiful inflorescence.
The group of such plants includes a large number of different hybrids and varieties. All of them were withdrawn in the XIX century. These shrubs have standing or creeping stems with active branching. The height of sprouts reaches 50 cm. There are triangular or oval-shaped leaves. Complex inflorescences consist of 30 - 50 small flowers. Colors range from pure white to deep purple.
Verbena Buenos Airesca
This variety is considered one of the highest. Sprouts reach a height of 120 cm. A perennial plant differs in a pronounced stem, from which many shoots depart. Thin leaves have an elongated shape and teeth on the edges. Small light purple flowers are collected in the ears, which are combined in large lush inflorescences.
All varieties of verbena combines long-term flowering. In some areas it lasts from June until the end of October. The fruits are represented by nuts, inside of which are the seeds. They retain their properties for 2 years.
Planting a plant
First of all, it is necessary to choose a suitable place for cultivation. Verbena will feel great in every corner of the garden plot. So, it is suitable for planting in flowerbeds that remain empty after the flowering of early plants. The most attractive lush shrubs of verbena still grow in the beds, which are well illuminated by the sun. Even when hit by direct rays, the leaves and buds for a long time retain their original appearance.
Planting verbena can be carried out in pots and hanging pot. The flower has a compact rhizome, so growing from seeds of vervain will not cause any problems.
Fertile loamy soil is ideal for planting. This rule is optional. You can grow flowers in other types of soil. The main thing is that the earth should be loose and let in moisture well. Suitable conditions are provided on heavy soil, it is enough just to mix it with sand.
Perennial plants need quality drainage. Stone crumbs, broken bricks or expanded clay are used to create it. The layer of these materials will reliably protect the roots from excess water, which adversely affect the state of vervain.
Sowing is done in open ground. It is only important to take into account some nuances:
- Landing is possible only with stable plus temperature indicators. If there is a chance of frost, you should wait a bit. A cooling above -3 ° С will immediately destroy the perennial plant. If you want to quickly decorate the beds and beds with bushes of flowering verbena, you need to plant seedlings in a greenhouse or at home.
- You can grow a flower from seeds at home. They evenly scatter on the surface of the soil without penetration. After two days, the first shoots appear, if the air temperature reaches + 25 °. After that, the container with the sprouts is placed in a cool place, since the excess heat has a negative effect on the plant.
- Special care flowers do not require. Enough to water them, but little by little. Otherwise, the young shoots will die.
15 days after planting, the shoots will fill the container with slender green rows.
Verbena propagated by cuttings. When choosing this method, it is necessary to prepare the planting material in the fall. On the eve of the first frost, a perennial plant is dug up and transferred to a cool place with a bulk clod of earth. Suitable storage space will be a basement, balcony or farm buildings. It is important that the temperature is not higher than + 10 ° C.
Cherenkov reproduction is carried out with the following features:
- The cuttings are often carried out in the springtime. Any other period will do if the annual flower is planted not in open soil, but in a flowerpot or in a warm greenhouse.
- For reproduction of verbena cut tops of plants are used. On each sprout must be 4 - 6 pairs of leaves. Cuts are covered with crushed coal. The bottom leaves are removed.
- Cuttings rooted in the soil, which is prepared from peat and sand. Verbena breeding does not need to bury them too much. The earth is located at the level of the lower leaves. The capacity in which rooting is carried out, is covered with a film to maintain stable humidity.
If you follow these rules, plant reproduction will always be successful. A perennial flower after 3-4 weeks will form a full rhizome.
Growing and caring for verbena is quite simple and does not require special skills. Annual bushes grow well in the presence of intensive lighting, are not afraid of direct sunlight.
After planting flowers require moderate but systematic watering. In the spring, after planting in the ground, the immature shoots most of all need to receive moisture. Watering is gradually reduced, and stops completely after the onset of autumn.
Planting and care in the open field usually do not cause problems for gardeners. Annual shrubs are fed with mineral fertilizers several times throughout the season. Manure in this case is not suitable, since it leads to the active growth of greenery without flowering. An excess of nutrients inhibits the intensity of flowering.
At the first stages of cultivation of vervain, it is necessary to loosen the soil. After sprawl, the plant does not need weeding. Instead, a mulching procedure is used. In the role of mulch serves rotten foliage.
It is important to properly care for verbena to achieve long-term flowering. It should promptly remove wilted flowers. Perennial plants are resistant to various diseases and pests. When the aphid invasion is enough to treat verbena with insecticides.
Low-growing varieties of perennial verbena are grown in the open field to create green borders. In tandem with camellias and budleyas, these flowers will be an excellent decorative element of the garden plot. In addition, well-groomed plants allow you to divide the space into functional areas.
Vervain is also grown to fill the front garden or flower garden with bright colors: purple, yellow, white, purple, and purple. The greatest effect can be achieved with mass plantings of a flower.
You can dilute the blooming garden with asters, cereals, echinacea or marigolds. Ampel varieties are widely used for landscaping terraces, balconies and gazebos. With proper care, verbena grows quickly in pots, forming a charming lush ball.
Growing verbena in flower beds is not complete without a combination with mealy sage or heliotrope.
Verbena is an attractive plant that can often be found in garden plots. A variety of varieties, resistance to diseases and pests, beauty - the main advantages of a flower. Gardeners adore verbena for the fact that it blooms for a long time and does not require complex care. Cultivation and reproduction of the plant does not cause difficulties even for beginning flower growers.