The Q&A Archives: Invasive Tropical Plants

Question: We have removed several Bird of Paradise plants from our garden. We have found their root systems to be overwhelming. How can we ensure that they do not grow back? We are unable to remove all of the roots because they are beneath a sidewalk.

Answer: It's a shame when an attractive plant becomes a pest in the garden, but it happens all the time. Since you cannot access the roots, your best course of action will be to cut back any sprouts that appear from the roots. If you diligently keep the new shoots cut down, the roots will eventually run out of energy and will die. Don't allow new leaves to spend even one day in the daylight! Eventually the roots will starve and not be able to produce any new shoots.

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