The answer to 'hedge weeds' is that common causes include improper maintenance, poor soil conditions, and the spread of invasive weed species. Symptoms include unsightly growth, reduced hedge density, and damage to the overall plant health. Solutions can include hand-pulling weeds, applying herbicides, and regularly trimming and maintaining the hedge.
For minor weed issues, homeowners can often address the problem themselves through diligent maintenance. However, for more severe or persistent weed infestations, it's best to consult a professional landscaper. They can properly identify the weed species, recommend the most effective treatment options, and ensure the long-term health of your hedge.