How to Kill Tree Roots on a King Palm

The King Palm is a type of palm tree located in tropical and subtropical climates. Though it is native to Australia, it can be found in the Southeast region of the United States, especially in Florida. Like most tropical trees, the King Palm thrives in sunny environments. There are several ways to kill a King Palm, but the most effective way is to attack the roots of the tree. Poisoning the roots affects the nutrient diet of the King Palm, which can kill the tree fairly rapidly.

Shovel
Herbicide
Tarp

Instructions

- 1
  Dig holes at the base of the King Palm using a small shovel to expose the roots of the tree. The King Palm has a shallow root system, so you shouldn’t have to dig too deep.
- 2
  Apply herbicide to the roots of the palm tree. There are several herbicides that will effectively kill the tree roots on a King Palm, including Epson salts, oryzalin, and trifluralin. Even fertilizer can be poisonous when applied directly to the root system.
- 3
  Cover the base of the King Palm with a tarp for at least two weeks. The combination of herbicide and lack of direct sunlight will damage the root system.

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