The exact number of holes that you need will vary based on the size of the tree.

Killing tree roots with bleach. Drill holes into the roots of the tree. That being said, four to six holes spread evenly across the roots should do. Make these gashes and holes along the entire circumference of the stump as well as from the top of the stump.

Although it takes longer than a chemical herbicide, killing tree roots with epsom salts can effectively work by depriving them of water. Bleach can and will kill roots. To make this process work, select a sunny, dry day and fill a clean spray bottle with undiluted vinegar.

Bleach will harm any tree and plant foliage it is applied to. The holes or the gashes have to be at a downwards angle. While this may kill some trees and plants,.

Assuming that you simply pour bleach all over a stump it may kill. This means the leaves of a tree sprayed with bleach will turn brown and drop off. Once this root killer is in the pipes, the salt leaches into offending roots.

Apply herbicide to the lower 12 to 18 inches of the tree trunk (on the bark) from. For trees 3 inches or less in diameter, treat the entire cut surface. It would be best to use bleach to kill tree roots that have previously.

Bleach is not really effective at killing trees. Bleach can kill the roots of smaller, less mature trees to kill the plant effectively. 2 cups undiluted white vinegar.