Gardening

The olive tree, the trendy decorative tree


It is the emblem of Provence and conquers gardens all over France. Symbol of immortality, hope, and abundance, theOlivier pleases for its beauty and hardiness.

An ornamental shrub par excellence, and fruit tree when all the conditions are right, "the olive tree enchants the gardens," explains Jardigreen, in Orgeval, which has a selection of centuries-old and bicentennial trees.

The olive tree, a tree full of assets

It is particularly resistant (NLDR: to cold as well as to diseases) and therefore adapts well to the regions of the northern half of France ".

Its light green, elongated sempervirens foliage and its gnarled trunk make it a very decorative tree.

In Legends of trees, 90 illustrated stories (published by Delachaux and Niestlé), Noel Kingsbury and Andrea Jone explain that Olea Europea thrives in a Mediterranean climate but grows in all regions. Its longevity can reach 2,000 years!

Above all, dry!

Easy to cultivate, in the ground south of the Loire or in a large pot to the north, the olive tree measures 1 to 3 m for small trees (ideal for balconies and terraces) and 3 to 20 m for larger ones. big.

  • A draining and dry soil is essential as well as a sunny exposure and sheltered from the wind.
  • It is rustic and does not fear temperatures that can go down to -5 °, even -15 if the cold is dry.
  • And even after a harsh winter, it sets off again!

The planting is done in spring, on a mound to facilitate drainage, in soil with the addition of sand and pebbles. Even if it grows slowly, plan for a place or container large enough for the roots to be comfortable.

Choose a potting soil for citrus fruits and Mediterranean plants, without the need for fertilizer since it is a tree that grows on poor soil and stake it during the first years, especially if it is grown on a stem.

Once rooted, the main thing will be to ensure that your foot is never soggy, because the diseases that are fatal to it are rot: verticillium wilt, sooty mold, "Peacock eye" ...

To avoid them, repeat that the olive tree is a drought tree and specify that an application of Bordeaux mixture can help treat or prevent these diseases. Cover its base with natural mulch and space the waterings, one per week in summer and only a little frost in winter. Note that, for once, tap water is allowed and even recommended because the olive tree likes limestone soils!

In the cold season, in winter,bring in your olive tree while maintaining a supply of natural light, or cover it with a wintering veil while continuing to check the internal humidity level.

  • Read also: cultivating the olive tree well

Harvest ... green gold!

Light pruning at the very end of winter after frosts, or in early spring, will benefit both fruit production and its appearance, in a natural or shrub-stem / ball shape.

The production ofolives remains exceptional except in the south. To harvest between September (the green ones) and December (the black ones), after several years, preferably choose a self-fertile variety. Do not taste them immediately, but let them dry or macerate… A delight!

Claire Lelong-Lehoang


Visual credits: Olivier 1: © Jardigreen Olivier 2: © Jacques Palut - stock.adobe.com Olivier 3: © Bernard Girardin - stock.adobe.com Olivier 4: © Mikyimagenarte - stock.adobe.com

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