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Ageratum: characteristics, cultivation and diseases

Ageratum: characteristics, cultivation and diseases


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Very often we neglect the border plants which are essential when it comes to organizing a garden and decorating it in a pleasant way. L'Ageratum it is precisely one of these plants, known for being particularly generous in its abundant flowering and which continue throughout the summer forming almost a colorful and soft cushion. The name Ageratum comes from the Greek ageratos which means "Without old age", due to the long flowering which is one of the characteristics for which Ageratum is in the top ten of plants for flower beds. But its appearance also matters a lot, because it is actually one very choreographic plant,

Ageratum: characteristics

Belonging to Asteracae family, commonly known as ageratum, this is a genus that includes both annual and perennial plants but all native to central-north America and with modest dimensions. They do not exceed 50 centimeters in height, being "Border", moreover, very often the most cultivated are the dwarf species, perfect also for flower beds and lawns.

The barrel ofAgeratum it is rigid and hollow, not particularly branched but with gray-green leaves, positioned alternately, with slightly serrated edges. The flowers sprout right on top of the stem, with their many possible colors as they can be blue, pink, white depending on the species and variety.

Ageratum: species

In total there are over fifty, the main one is the Ageratum houstonianum, originally from Mexico. It is a perennial plant but is always grown as an annual, it remains compact and blooms for a long time, from spring to early autumn. Its flowers are very colorful, sprouting from the top of the stem as happens for all species, in clusters.

Another interesting species is the A. conyzoides it is widely used in traditional medicine all over the world. In India it is a bactericide, in Cameroon, Congo and Brazil it is a remedy for fever, rheumatism, headache and colic and in central Africa it treats not only pneumonia, but also wounds and burns.

Ageratum: diseases

If we notice that the flowers are struggling to bloom, we have probably placed the plants in an incorrect position and can move them, trying to guarantee them at least 5 hours of direct sunlight. Attacks can also occur by whitish small animals of white-yellowish-greenish color, they are aphids and we must fight them with specific pesticides, products that enter the lymphatic circulation of the plant and are also absorbed by insects.

When the plant tends to wither it must be watered more regularly, if instead the leaves begin to yellow and appear speckled with yellow and brown, it is the fault of the red spider to hunt with specific acaricidal products.
Among the animals that can attack the plant there are also the whiteflies, the whiteflies of plants, which form a kind of white cloud on the underside of the leaves and steal the sap of the plant. It acts with specific pesticides.

Ageratum: cultivation

For borders it is very convenient because it does not have to be very well cared for and has a nice effect. It should be placed in full sun or where it can enjoy at least 5 or 6 hours of sun, never too exposed to the wind. The soil must always be moist and the temperature never below 4 ° C. When we choose the soil, it is enough that it is well drained, soft and with a fair amount of organic substance, although we can also fertilize, during the spring, by diluting the fertilizer in the water which we will then use to water.

Ageratum is a plant that usually cannot be pruned but that is always allowed to grow. But what is important to do, to leave it free to develop, is remove the leaves and flowers that dry up. It is also important to protect the plant from parasitic diseases that could be transmitted in this way. If we treat our plant well, and it doesn't take long, we can count on one very long flowering, which lasts from late spring to early autumn.

Ageratum: multiplication

The Ageratum multiplies by seed, we proceed at the end of winter or in February. In this case, it is necessary to procure a seedbed or wait for late spring to be able to plant the seeds directly at home.

When choosing to use the seedbed, take a light soil made up of peat and sand in equal parts and spread the seeds without burying them so that the light helps the seedlings to be born. When we sow directly in the field, the same rule applies, the sun remains essential for germination.

Returning to the seedbed, let's remember to position the tray with our seeds so that it is hit by sunlight and never at a temperature lower than 21 ° C, the optimal one. Humidity is also important for germination, so let's spray the topsoil constantly for about ten days, until we see the first shoots appear.

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Video: Ageratum Plant PhotographyFloss Flower imagespicturesFlower gallery 2018 34 photo of Ageratum (May 2022).