The answer to 'tree trimming has weeds' is that weeds can often appear after tree trimming due to the increased sunlight and soil disturbance. When trees are trimmed, it can open up the canopy and allow more sunlight to reach the ground, which can stimulate weed growth. Additionally, the act of trimming the tree can disturb the soil and expose weed seeds that were previously dormant.
To address this issue, it's important to take proactive steps to prevent and manage weeds after tree trimming. This may involve applying a pre-emergent herbicide to the affected area, mulching the soil to suppress weed growth, and regularly maintaining the landscape through weeding and mowing. In some cases, it may be necessary to reseed or re-sod the area to establish a healthy lawn or groundcover that can outcompete the weeds.