Dipladénia or Mandevilla: maintenance, repotting, watering and flowering


The Mandevilla or Dipladenia, which we nickname Brazilian jasmine, is a climbing plant native to South America, which is appreciated for its abundant flowering which thrives on twining lianas of 2 to 3 meters. The trumpet-shaped flowers come in different colors, pink, red, white or yellow. They follow one another in profusion from the month of March until the frosts. In our latitudes, this beautiful exotic is often cultivated in pots in order to be stored during the winter, but can also be installed in the ground. Here are all the tips to follow to maintain a Dipladénia in order to enjoy its opulent flowering as long as possible.

Maintain a Dipladénia

To keep a Dipladenia for a long time and see it bloom abundantly, it must be able to benefit from a temperature around 20 ° C in spring and summer and between 10 and 15 ° C in autumn and winter. It can therefore be grown in the ground in southern regions where winters are very mild. Elsewhere, it is better to opt for a container culture.

Expose it well

Culture pot allows you to grow Brazilian Jasmine on the balcony, the terrace so that it benefits from the outside air during the beautiful season, but you can just as well keep it inside where it works wonders. Wherever it is installed, the Dipladénia must be in the light, without being exposed to the scorching sun. Inside, we avoid approaching it too close to a bay window facing south or even, in winter, to a radiator.

Prune

The size of the Dipladénia should be light. It occurs in spring, as soon as the plant is taken out of its wintering period and when the time has come to repot it. It is thanks to this size that we stimulate flowering. We just remove the dried stems and those which seem less vigorous. To cut back the stems, cut above the 3th or 4th node.

Subsequently, it is necessary to remove withered flowers over time to promote the production of new flowers.

Fertilize

Once a month throughout the flowering period, the soil is fertilized with a fertilizer for flowering plants diluted in the irrigation water.

Parasites and diseases

The Dipladénia is not a particular plant sensitive. We can at most fear the attacks of mealybugs that can be eradicated with a mixture of water, alcohol and black soap. Sometimes, when it is very hot and dry, the red spiders can be numerous, but a few sprays of water humidify the air and are generally sufficient to see them disappear. In the event of a severe attack, an acaricide is then used.

Repot a Dipladénia or Mandevilla

A Dipladénia cultivated in a tank needs to be repotted about every two years so that it is not too cramped. The best time to repot is early spring while the plant is not yet flowering. It is perfectly satisfied with a soil suitable for geraniums.

Water a Dipladénia or Brazilian Jasmine

The Dipladénia needsregular waterings But moderate because excess water ends up killing its roots. To fill his high humidity requirements, the ideal is to place the pot on a bed of clay balls or pebbles on which there should always be water. This creates an ambient humidity that recalls the natural environment of this plant. Note that rainwater is preferable to tap water because it is non-calcareous. However, we know that limestone tends to leave white spots on the tough and shiny foliage of Mandevilla.

Flowering of Dipladénia

The flowering of Brazilian Jasmine is long lasting provided that the plant is installed in a warm, very bright and sufficiently humid environment. If a Dipladénia does not flower much, it is undoubtedly poorly exposed. It is therefore necessary to move the pot in order to choose a more suitable location. If it is grown in the ground, and the period permits, it is wise to transplant it. But sometimes it is better to wait until next spring to make this trip.

The flowers of Dipladénia are so numerous that they can constitute a real colorful curtain of extreme beauty. This is why we enhance the climbing side of the plant by installing a trellis makeshift guardians, or we position the Mandevilla near a Wall.

Easy to grow However, the Dipladénia should not be rushed, especially when the time has come to get it out of its winter den. He needs a acclimatization time. This is the reason why we start to put it outside for 2 or 3 hours a day only, then all afternoon, then all day but we continue to bring it in at night as long as the spring nights are still too fresh for him. Finally, when the sweetness drags on, the Dipladénia can spend its days and nights outside.

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