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Jon
Can I stop very invasive tree roots from growing up into my new raised veggie bed?

I am about to install a raised bed for veggies into our smallish backyard that is totally invaded by neighbors' tree roots. What should I lay down as a barrier in the bottom? I have some old roof tiles if they would help?

Submitted: 03:20PM, 09 Nov 2011
Answer: Hi Jon,

Invading tree roots from neighbouring trees can play havoc at times. If the trees are well established trees, I am not sure if there much you can do. One good thing about installing above ground vegetable garden beds is that you can build them 1 metre off the ground and the tree roots will not interfere with you growing your vegetables. Most vegetables don’t need a great depth of soil in order to establish well. The main criteria is to build the raised garden beds in a full sun position. Fill the raised beds with a garden soil that contains plenty of organic matter to ensure good drainage and soil fertility. You will then be able to grow crops such as lettuce, spinach, spring onins,raddish, carrots, beetroot along with many herbs.

Answered: 03:08PM, 11 Nov 2011

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