When do you have to cut the Dipladenia? Tips and instructions

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When do you have to cut the Dipladenia? Tips and instructions: flowers

Whether year round in the apartment or in the summer on the terrace or balcony, the beautiful funnel flowers of the Dipladenia inspire every plant lover. At least once a year, the pruning shears should come into action for the tropical, sensitive to the flora of Central and South America. After pruning, the plant is vigorously repelling.

When do the Dipladenia cut back?

For Dipladenia of the family of the dog poisonous plants exists a particularly suitable time for the pruning, possibly with slight deviations:
  • best time to cut: early spring
  • possibly shorten the long tendrils in autumn only
  • Re-cut in the spring

Why cut the Dipladenia?

Commercially available plants are often treated with compression agents which dampen the growth of the line. If the effects of these preparations are reduced, diploads with a previously squat shape are given an enormous boost. If there is a lack of space, the scissors have to work. The reasons for the blending in detail:
  • decreasing flowering joy
  • too lush growth (especially in Zimmerkultur)
  • more light and air for the individual shoots
  • when relocating in the fall: use the scissors to remove tendrils from the climbing frame

Pruning types

Dipladenia - Mandevilla

According to experience, the pruning prepares little or no problems, especially since the Dipladenia excreted in their injuries a viscous liquid that dries and hardens quickly in the air. Because this juice contains antibiotic tannins and alkaloids, the plant is preserved from invading germs. In the wild, the milky juice is becoming more important. Its bitter taste scares away birds and mammals looking for a delicious meal. In summer heat, cutting measures should be avoided, as during the main vegetation more milk juice is released and the healing of the injuries takes longer. Unless obstructive shoot axes have to give way, the plant should grow more in width or cuttings are needed

rejuvenation pruning

At the latest shortly before each new shoot a cutback is due. Flowers only develop on fresh shoots. If you do not cut, the flowering growth suffers, besides, the looping vine plants from below. If the plant with the scientific name Mandevilla should retain its beautiful appearance, every year a rejuvenation cure in the form of trimmed shoots is necessary.

Pruning with horny growth

If the leaves appear on long shoots at long intervals during the dark season and remain rather small, it is an accelerated growth in length, the so-called Vergeilen, because the plant stretches in the direction of brightness. In winter, a cooler location is recommended, as heat stimulates growth even though the minimum amount of light is missing. Allow your Dipladenia to hibernate at 5° C to 10° C with a stagnant watering so that it can regenerate and gather enough power for numerous flowers in the coming season. Horny shoots are unstable and should be removed as soon as possible.


Shortening the shoot tips during the growth phase results in a more compact appearance. As the tendrils are somewhat restricted in their height, the plant expands more and more into the breadth. Pinching, as the term goes, creates a bushy shape.

Cut back the diseased plant parts

Yellow leaves that break loose can be classified as biological renewal processes. In winter, dipladies usually lose part of their foliage. Presumably predominantly older branches are affected, which are already considered for the next cutting. Black spots and spots on the foliage, on the other hand, indicate the presence of dew, often as a result of lice infestation, when fungi settle on the insect excrement. You do your Dipladenia a favor when you immediately cut off and dispose of diseased plant parts.
Tip: Diseases usually only occur in waterlogged or too cool or too shady locations.

Intersect pest-infested plants

Dipladenia - Mandevilla

Note: Be sure to protect yourself from the poisonous latex of Dipladenia, which penetrates from open areas when cutting. Contact with sensitive skin may cause allergic reactions.

What mistakes can occur when merging?

  • dull secateurs: no accurate cuts
  • long wait for the winter: late flowering
  • too low pruning: tendency to disguise
  • Rainy weather: fungal and infection risk
  • blazing sun: burn cuts
Warning: Toddlers are absolutely out of place when pruning the Dipladenia. The danger of putting toxic parts of plants in their mouths would be far too great.

Should faded flowers of Dipladenia be cut off?

The delicate scent of the flowers attracts bumblebees and bees. As soon as the insects nibble on sugary nectar, they ensure fertilization. Subsequently, the crop needs much energy to focus on the development of seeds in pod-like capsules. There is not much power left for other flowers. To prevent fatigue during flowering, the fruiting bodies should not ripen. You do not need scissors. Bloomed flowers can easily be plucked by hand. By always removing withered flowers, the plant responds with the emergence of new buds until fall.

Video Board: How to Trim a Mandevilla : Garden Savvy.

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