Glyphosate has very little residual soil activity and will only kill plants that receive direct contact. For glyphosate to be effective, the bamboo must be mowed or chopped and allowed to regrow until the new leaves expand. … Keep in mind that one application of glyphosate will not eradicate the bamboo infestation.

How much glyphosate does it take to kill bamboo?

Research has shown that for herbicides to be effective, the bamboo should be mowed or chopped and allowed to regrow to a height of approximately 3 feet, or until the leaves expand (Figure 2). Glyphosate at a 5% solution or imazapyr as a 1% solution can then be applied directly to the leaves.

Does any chemical kill bamboo?

Use an herbicide that contains glyphosate to kill bamboo in the spring, summer or early fall. It is applied to the foliage or cut stumps. The herbicide, absorbed through the foliage or stump, goes through the bamboo to kill the roots of the plant.