The answer to 'why is my stone walkway invasive plants' is that weeds and other unwanted plants can easily take root in the cracks and crevices of a stone walkway. This is a common problem that many homeowners face. The gaps between the stones provide an ideal environment for seeds and plant matter to accumulate, allowing weeds and other invasive plants to establish themselves.
Over time, these plants can spread and grow, pushing up through the stones and disrupting the integrity of the walkway. Factors like poor drainage, lack of maintenance, and nearby landscaping can all contribute to this issue. To address it, you'll need to regularly remove the weeds and prevent new ones from taking hold.