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How to plant and cultivate a bougainvillea?

How to plant and cultivate a bougainvillea?

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Characteristics of bougainvillea

  • Type: vine
  • Height: up to 8m
  • Flower color: red, white, pink, mauve, yellow, orange
  • Fruit name: akène
  • Desired exposure: sunny
  • Type of soil: well drained, rich in humus, fresh
  • Foliage: obsolete
  • Interview : significant light requirement
  • Sanitizing: no
  • Diseases:Whiteflies
  • Varieties:Sande Riana, Glabra, Spectabilis, Buttiana, Iberidifolia

Origins and characteristics of bougainvillea

The bougainvillea (Bougainvillea) is named after the explorer Bougainville, because it was discovered in Brazil during an expedition organized by him in the 18th century. Since then, this climbing plant has been acclimatized in Southern Europe, on the shores of the Mediterranean.

There are approximately 14 varieties of bougainvillea in regions with mild temperate and Mediterranean climates. Worldwide, this number is around 300.

It has colored ends which are not flowers, but leaves (called "bracts") located at the end of the branches. Grouped by 10 or 20, their bright and warm colors attract all eyes. Flowering occurs inside these corollas.

The bougainvillea is very sensitive to cold. Depending on the region, it can therefore be planted in the ground or else be planted in containers.

Bougainvillea plantation

It can only be planted in the open ground in the southern regions as well as on certain parts of the Atlantic coast. Elsewhere, the bougainvillea in a pot (Bougainvillea) can shelter it from the cold in winter (in a greenhouse, for example).

  • Culture in open ground

In the South and mainly around the Mediterranean, bougainvillea's feet can be planted at the end of spring on a sheltered location such as at the foot of a south-facing wall, to provide them with the sunshine necessary for their growth.

These shrubs thrive best in deep, well-drained soil rich in humus. To keep it cool in summer, it is recommended to mulch the soil at the base of the shrub.

You can plant them near a support such as a fence or a palisade.

  • Culture in pots or tubs

Planting is done in a large and deep pot. In this one :

  1. Install a layer of clay balls
  2. Mix equal parts of the soil from the garden and the rich and rather clay soil.
  3. Set up a stake on which the shrub will climb.

Bougainvillea in pots requires between 4 to 5 hours of sunshine per day to optimize its growth.

Bougainvillea maintenance

The maintenance of the bougainvillea (Bougainvillea) should be regular, and slightly different, depending on the type of planting.

  • Bougainvillea in the open ground

Yes your bougainvillea is against a facade, palis the new twigs as they grow. Fragile, they can be damaged by the wind.

To promote good rooting, watering is essential during the first two years. Thereafter, watering is useful only in periods of high heat. When temperatures exceed 30 ° C, leaves and young shoots can wilt. Do not water: everything will return to normal overnight, when temperatures drop. Indeed, drought indeed favors flowering bougainvillea

To protect your bougainvillea, mulch the foot and use a winter veil (if you are in a region prone to frost).

  • Bougainvillea in a pot

Regular watering is necessary to a potted bougainvillea. However, it is advisable to let the soil dry out between two waterings, otherwise the flowering of the shrub will decrease. Do not allow water to stagnate in the saucer and empty it each time.

Come back your potted bougainvilleas in October and take them out only when the last frosts have passed. If you want to repot your bougainvilleas, it is recommended to do it in April or May. It is the period of growth of bougainvilleas. This step promotes the development of the shrub.

Bougainvillea size

Every three years, the bougainvillea size (Bougainvillea).

In the spring, dead branches are removed. We equalize the rest of the branches to give them a harmonious shape. Pruning takes place in March-April, when the cold no longer threatens.

It is advisable to carry out this work in dry weather. This reinforces the emergence of new branches at the level of germination buds.

To recognize new shoots, it's simple: they are the finest and most flexible.

Bougainvillea diseases and pests

Bougainvillea outdoors is not very prone to disease. On the other hand, bougainvilleas indoors fear the lack of humidity in the air, like all tropical plants. This weakens them and promotes the attack of red spiders, mealybugs or even aphids.

So think of humidifying your room. Here are a few tips :

  • Spray the underside and top of the leaves regularly with a water sprayer.
  • When mildew attacks, the leaves have a kind of white mold. This indicates poor ventilation of the room. Then remove the affected leaves and change the location of the shrub.
  • Avoid placing the bougainvillea behind a window.


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