The Dahlia Flowers and Its Planting Tips and Care

The Dahlia Flowers and Its planting tips and care.

The Dahlia Flowers and Its Planting Tips and Care

So many flowers and colors flying out of a dahlia bulb looks really magical! The dahlia is a tuberous plant native to Mexico that was introduced to the Netherlands in the late 19th century and gradually spread throughout the world. Today, there are thousands of varieties of dahlias on the market with different shoot heights, dahlias with compact growth that are limited to a height of half a meter up to dahlias that have a very lively growth and reach a height of two meters.

You will find varieties of dahlias with different shapes and sizes of flowers, as well as in incredible colors, from white, cream, yellow, to pink, purple, orange, red and even dark red that is almost black.

Dahlias are one of the most impressive flowers that we can plant in the garden and in a pot on the balcony, offering a feast of colors, which is why they have loyal fans who cultivate them every year fanatically. The beautiful dahlia flowers are an extremely popular choice for vase decoration. Let's see in detail what treatment dahlias need to give us rich flowering with long duration and how we can maintain them for many years.

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1. Under what conditions do dahlias grow?

Dahlias need several hours of sunshine to give us their rich flowering. So we choose a sunny place in our garden, protected from strong winds, to plant them. To plant dahlias in pots on our balcony, we choose places with south or west orientation.

Dahlias can grow in almost any type of soil, however they prefer fertile fluffy soils with good drainage and that is why during planting we incorporate manure and compost. For dahlias that we plant in pots, we use quality general purpose humus that contains perlite for better drainage and aeration.

2. What season and how do we plant dahlias in pots and in the garden?

The dahlia is planted in the spring, both in the garden and in a pot on the balcony, and gives us its rich flowering in the summer, until the beginning of autumn. When designing our garden, we plant the dahlias in rows, choosing the tall dahlias in the back positions of the garden, while in the front ones the lowest ones, at a distance of 50-60 cm between the plants and 1-1.5 meters between the rows. We plant the dahlia tubers at a depth of 12-15 cm with the "eyes" facing up.

We use a 1.5 meter support (rod or pole) that we place in the soil next to the holes where we plant the tubers to tie the plants when they reach 30-40 cm in height, as the wind can bend them or break it shoot.

We place cards in each support with information, to know what variety of dahlia we have planted in the specific point. We will need this information in the fall, when the flower stem dries, to store the dahlia tubers for next year in order to know the height and color of the dahlia that we had placed at each planting point.

The Dahlia Flowers and Its Planting Tips and Care

3. What watering and fertilizing needs does the dahlia have?

Dahlia has no special requirements for watering and fertilizer. If the soil to be planted already has relative humidity, the dahlias do not need watering until they germinate because otherwise they may rot. We start watering when the plants start to grow, once a week in the spring and twice a week during the summer.

Regarding the fertilizer needs of the dahlia, add a tablespoon of complete fertilizer to each dahlia when the first leaves have developed and repeat every month until the beginning of its flowering.

4. How do we store dahlia tubers, and how do we create new plants?

To preserve the dahlias and plant them next year, when the above ground part dries, in late autumn, we remove the tuberous roots, clean them from the soil and store them in a dry and dark place that has no moisture.

If we want to create more new dahlia plants, the dahlia is propagated by separating its tuberous roots. When separating the dahlia tubers done by hand, we ensure that each part of the dahlia includes the base of the old stem, where the buds that will give the new shoots are located.

5. How do we deal with the diseases and insects that infect dahlias?

Dahlias are affected every summer by various fungal diseases, such as mildew that causes whitening on the leaves of the dahlia, as well as rust that causes characteristic dark spots on the leaves. To treat mildew and rust, we spray the dahlia foliage with wet sulfur every 2 weeks, while being careful not to wet their foliage during watering, as this favors the development of diseases.

The Dahlia Flowers and Its Planting Tips and Care

Also, to treat the insect of the meligra and the blackfly that infect the dahlias, we spray with a solution of summer pulp. Alternatively, we can spray with improvised recipes we make to protect plants with homemade ingredients. Finally, to deal with snails and slugs, which are a serious enemy of dahlias on rainy spring days, we throw ashes around them or place traps with beer cups or iron phosphate fertilizer.

6. And a secret for the care of the dahlia:

In order for dahlias to have better growth and flowering, we remove the weeds (weeds) around them, as well as their lower leaves when the plant has grown, to ensure better ventilation and not to be easily affected by diseases.

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