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Tips and tricks to help your tree grow healthy

14 May 2025 Last update 16/05/2025

Putting in a tutor, yes, but…

  • The addition of a stake is not compulsory, but can be useful if the tree is exposed to strong winds or if the soil is unstable.
  • We suggest removing the stake after two years to avoid damaging the tree trunk.
  • A properly installed stake allows the tree to move in the wind and grow stronger.
  • A homemade stake tied to the tree with tight ropes risks damaging, even strangling and killing the newly planted tree.

Watering, essential care

  • When planting, water the tree thoroughly.
  • If the tree is watered in its first two years, especially during hot spells, its chances of survival are considerably increased.

Avoid accidental injury

  • Any decorative stones should be placed at least 5 cm from the tree. Stones too close to the tree could damage it through friction, as the tree moves in the wind.
  • Prefer landscaping without grass (mulch, flowers, etc.) to avoid common trunk injuries caused by mowers or trimmers on urban trees.
  • We advise against planting vines at the foot of trees of any age. The latter could quickly strangle the tree, especially when it’s young and small.
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Your tree’s crown needs oxygen

  • The part connecting the tree trunk to its root system, called the collar, needs to be exposed to the air.
  • If this part of a new tree is under the ground or buried in mulch, the humidity and lack of oxygen could cause it to rot.

Form a watering trough around the trunk

  • The watering trough, made up of a layer of soil covered with 8 to 15 cm thick mulch, holds the water around the tree until it has been absorbed by the soil and encourages deep watering.

Promote proper tree structure through training pruning.

  • A few years after planting (3 to 5 years), training pruning can help guide, improve and even resolve structural problems.
  • Because of its young age, the tree can quickly recover from pruning.
  • Call in a professional to ensure proper tree structure.
  • To learn more and do your own training pruning, visit the botanical garden website.