Brugmansias
Q.

Can Brugmansia roots crack a wall?

Anonymous added on August 23, 2015 | Answered

Here are my 2 questions: Can the roots of a Brugmansia crack a wall or a house's foundations? (e.g. roots of 10 cm diameter) Once the stump has been taken out, can any remaining roots (e.g. 10 cm diameter) left in the soil grow again into a tree? Thanks for your help.

A.
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Downtoearthdigs
Certified GKH Gardening Expert
Answered on August 23, 2015

Any tree can technically crack walls and foundations. They will do this when they don't have enough room to grow otherwise. The question is not so much can brugs do this, but is there enough room for the tree to grow so it won't do this.

Over the course of its life, trees typically need the space of the width of their mature size canopy plus 3-4 meters beyond to be happy (and non-destructive to walls and foundations). They can grow in smaller spaces but the more confined they are, the more likely they are to cause problems eventually.

They can regrow from roots. You can stop this from happening by painting the fresh cut of any root left in the soil with Round Up. The remaining root will suck it in and die.

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