The answer to 'patio has weeds' is that weeds are common on patios and can be caused by a variety of factors, including improper drainage, poor soil conditions, or lack of maintenance. Weeds can be unsightly and can also cause damage to the patio surface over time.
To address weeds on a patio, you can try a few different solutions. First, try manually removing the weeds by hand, making sure to get the entire root system. You can also use a weed killer or herbicide, but be sure to follow the manufacturer's instructions carefully. It's also important to address any underlying issues, such as poor drainage or soil quality, to prevent the weeds from returning.