DIPLADÉNIA sowing, planting, cutting, maintaining: Our website

Dipladénia, a very flowering climbing plant

Dipladénia is a climbing plant, a powerful liana with glazed foliage, which grows rapidly when in good conditions. It is a plant native to South America, areas where it is hot all year round ... And in our climates, in France, it is generally advisable to grow it in a pot. Dipladenia is a frost plant, and it needs heat all year round to thrive. In the regions most favored by a mild climate, it will be possible to cultivate it in the ground but only in a very protected situation.

Botanical name:

• Mandevilla spp

Plant type:

• Cycle: Perennial
• Foliage: Persistent
• Hardiness: Non-hardy plant (frost)
• Family: Apocynaceae - Apocynaceae
• Harbor : Vine
• Exhibition: Sun
• Sowing: April under warm shelter
• Plantation: April May
• Flowering: June to October
• Rooting: root system
• Culture Zone: in the ground 9b to 10 (see hardiness card) - in pots everywhere.
• Origin: South America - Argentina
• Melliferous plant: no


• Very easy to grow plant
• Indoors, avoid sun exposure through a window. The dipladénia appreciates the sun exposures outside, but could suffer behind a window.

What advantages in the garden?

• Superb and long flowering.

What exhibition?

Sun in the ground, dipladenia is resistant to drought.
• Indoors: beware of the sun's rays directly through a window.

What soil for dipladénia ?

• Plant it in any type of soil humus and drained.
• In a jar, mix geranium soil and sand

When to sow

• Sowing in spring under warm shelter, 20 ° C, at month of April.

How to sow dipladenia seeds:

• In a soil for geranium.
• Place a few seeds per cup.
• Cover with very little potting soil.
• Water well and keep the soil moist until emergence.

When to plant it?

• Plant it in spring, once the soil has warmed up: In May or June.

How to plant dipladenia:

Planting in the ground?

• Work the soil at a spade height without turning it over.
• Scrape the dipladenia's root ball and immerse it in a bucket of water.
• Amend the soil with geranium potting soil and feel free to add sand for drainage power.
• Prepare the planting hole.
• Place the dipladenia.
• Top up with the soil mixture from the garden, potting soil.
• Water.

Planting in a pot?

• In a large pot (40 cm)
• Fill it with a mixture of special geranium soil and sand.
• Place the dipladénia after scraping the root ball.
• Tamp down and water well.

A word from the amateur gardener
Plan a "tough" tutoring. The dipladénia does not make a spike, it does not hook on itself, it will have to be fixed to a trellis or a guardian.

Division / Multiplication of dipladenia:

• Multiplication by seed (see above) or cuttings in early summer

How to cut dipladenia:

• Select young shoots of 10 to 15 cm maximum.
• They must have two pairs of leaves and a bud.
• Cut the shoot just below the lower leaves and remove the 2 lower leaves.
• In a pot filled with a well-packed peat, planting soil and sand (40% / 40% / 20%) mixture.
• Place the shoots by pushing them down to the leaves.
• Water and cover the cuttings with a plastic bottle, the neck of which you will have cut off beforehand. You can also use a freezer bag to close around the pot with a rubber band.
• Place the cuttings in the light.
• Uncover the cuttings after 3 weeks.

Interview :

Watering: in the ground, dipladénia is very well suited to drought. In pots, on the other hand, care must be taken to keep the soil moist.
Remove faded flowers to boost flowering.
Fertilization: especially for container crops once a month.

Flowering of dipladenia:

Superb flowering summer from June to October.


• Dipladénia Sanderi "Roséa" : Beautiful pink flowers with a yellow heart.
• Dipladénia "Sundaville Red" : Beautiful vermilion red flowers.
• Dipladénia "Alice du Pont" : Dense pink flowers with a yellow heart, or white flower tinged with pale pink.

What to plant with dipladénia?

• Other summer flowering plants, in pots to decorate the terraces.
• In the ground, why not mix several varieties of dipladenia?

Use of wood hyacinth?

ATa garden: On support, trellis, stake, netting ...
• Without garden:
In a large pot to winter.

Quick sheet:

  • Exhibition:
  • Ground :
    Rich soil, humus

  • Watering:
    Fresh soil in pot
  • Cut (HxW) :
    Up to 3 x 0.80 m.

Maintenance of the Dipladénia in the spring

The Dipladenia (Mandevilla amabilis) is a charming climbing plant that most often develops sarmentose stems that can be trained on a support. Here is how to perform end of winter maintenance, before taking it out and restarting its growth.

Species and varieties of cobea

The genus to which cobea belongs includes 25 all tropical perennial species. However, only the climbing cob (Cobaea scandes) is grown outside these countries of origin.

Climbing Cobé (Cobaea scandes)

Type species

  • Flowering: Flowers initially green, then translucent white before tinting blue or even purple-purple.

  • Flowering: White flowers tinting an ivory shade as they age.

Where to plant the asters?

The exposure and the type of soil necessary for perennial asters are different depending on the variety.

  • Large asters appreciate cool, well-drained soil in summer. They like sunny to half-shaded areas in the south.0 They need to be sheltered from the wind. They are not very complicated, they adapt to all types of soils, even poor ones, and spread very quickly due to their rhizomes. You just have to space them 30 cm apart when planting.
  • The aster novae-angliae is suitable for humid places and bedding beds, as the stems twist under the weight of the flowers.
  • Aster novi-belgii likes well smoky, slightly acidic soils.
  • Domosus asters are perfect in a pot because they like cool, rich soils.
  • Small asters, summer or spring, like rock gardens or beds in the sun and they tolerate calcareous and dry soils.

The dipladenia en autumn

Repotting: Dipladenia repots every 2 years in the fall once it has finished flowering. Prepare a pot with a diameter slightly larger than the previous one and fill it with a rich and light substrate. Don't forget the clay balls for drainage.

Cut : branch the plant by cutting back its stems to 3 or 4 nodes. Remove the yellow leaves.

Temperature : move the plant to a cool, bright place as soon as temperatures drop below 15 ° C outside. Indeed, it will soon go dormant. Otherwise just avoid heat sources and place your plant behind a window.

Watering: continue to spray the foliage regularly with soft water.

The snapdragon leaves and flowers are edible. They can be used in cooking where they are appreciated for their slightly bitter and pungent flavor.

To collect the seeds : wait until the fruits are ripe and small holes appear at the top. Then turn the stem over a sheet of white paper and shake gently. The seeds should normally drop. You then keep them in a paper envelope.

Before choosing your plants, there are several things you need to consider. Not all plants tolerate the same temperatures, you should choose your plants according to the climatic zone where you live. Some plants are more fragile than others, check their hardiness before installing plants in the cold. Foliage and vegetation are also important criteria. Finally, the shape of the tree is decisive for the appearance of your garden.

If you want help with your gardening work, you can recruit a gardener yourself and pay him by CESU (universal service employment check) in which case you become a private employer. You can hire gardening service provided by a service company.

Get in direct contact with professionals to get a personalized quote.

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