How do I stop weeds in gravel pathways?
Written by
Tina Carter
Reviewed by
Prof. Martin Thorne, Ph.D.Preventing noxious weeds from appearing in gravel paths begins with a plan consisting of three strategies to establish a defense system. I helped a homeowner in Colorado remove 95% of the weeds in a pathway using 5-oz woven polypropylene fabric under a base of crushed granite. Annual spot treatments with 20% vinegar solutions (solution = vinegar + water) held the results for five years.
Installation Essentials
- Use UV-stable landscape fabric rated for 10+ years
- Overlap fabric seams by 12 inches to block root penetration
- Secure edges with aluminum stripping anchored with 6-inch spikes
Maintenance Protocols
- Replenish gravel depth to 2 inches every 24 months
- Apply horticultural vinegar on windless mornings to prevent drift
- Inspect fabric annually for tears using a soil probe
Regular edge management is crucial. A client's pathway weeds decreased by 80% after the installation of powder-coated steel edging. Metal barriers resist frost heave damage, which distinguishes them from plastic. Flexible EPDM rubber edging must be used on curved pathways, as it will not allow gravel migration and subsequent gaps that will attract weeds.
Seasonal care can help prevent weed breakthroughs. Raking gravel monthly will disrupt seedling growth. In the spring, we recommend applying corn gluten meal between the stones to help reduce the presence of crabgrass. During the fall and while raking up leaves, you may want to use blowers weekly, as decaying organic material will create perfect germination beds in the winter for annual weeds such as chickweed.
Read the full article: How to Prevent Weeds: 12 Expert-Backed Strategies
