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Black locust or false acacia: pruning, maintenance, planting ...


The black locust, also known as false acacia, is a tree considered to be a very invasive species.

In summary, what you need to know:

Last name : Robinia pseudoacacia
Family : Fabaceae
Type : Tree

Height : 10 to 15 m
Exposure
: Sunny
Ground
: Ordinary

Foliage : Expired -Flowering : Summer -Fruiting : Summer

Plantation of Robinia

The acacia black locust is a very fast growing tree. It settles spontaneously on wasteland. He does not fear the drought.

Prefer a planting in the fall to promote rooting before winter and thus better recovery in spring.

Purchased in a container, you can also plant it in the spring, taking care to increase the watering at the beginning.

  • It likes less calcareous land, and can grow on fairly dry land.
  • The locust tree likes full sun, this is where it flowers best.
  • He fears strong winds.
  • A mixture of garden soil and planting soil is perfectly suited for planting.

Pruning and maintenance of the acacia black locust

No pruning is really necessary but it is important to remove any dead or fragile branches as you go.

  • Remove dead or diseased branches as you go.
  • In the fall, prune the branches that cross and those that grow inwards
  • Remove suckers in the fall because they are of no use

You can nevertheless limit the development of this tree by pruning or pruning it in autumn.

To know about Robinia

The locust tree takes its name from its inventor, Jean Robin, botanist of Henri IV, who planted it for the first time in Place Dapuhine in 1601.

Originally from the United States, the fake acacia, also known as Robinia, is a very beautiful tree with balanced shapes and whose hardiness allows it to live very long.

  • Fast growing tree, it is particularly interesting for the color of its flowers
  • Particularly meliferous, its flowers will delight the bees who will come to forage for them.

Its fruits form pods, a bit like beans, while his flowers form in June clusters in red or whitish tones very fragrant.

The green leaves that can fall in the fall, without even having withered, give this tree a lot of movement.

Smart tip

When planting, mulch at the foot of the tree and you will avoid the growth of weeds!

Video: Tree Profile: Acacia Baileyana - Prune Like a Pro (October 2020).