The answer to 'drainage system weeds' is that weeds growing in a drainage system can be a common problem caused by a variety of factors. Weeds can take root in the soil or organic matter that accumulates in the drainage system, blocking water flow and causing backups or flooding. Symptoms include slow drainage, standing water, and visible weed growth.
The best solution depends on the extent of the weed growth and underlying drainage issues. For minor weed growth, homeowners can often address this themselves by manually removing weeds and flushing the system. However, for more significant weed buildup or underlying drainage problems, it's best to call in a professional landscaper or drainage specialist to properly clean and maintain the system.