The only sure ways I know to keep gravel weed-free is to dig the weeds out by hand or to treat the area with Glyphosate weed killer. I have described both of the weed control methods I use in this article.
I have laid a lot of gravel driveways over the years. I know that weed barriers are not the answer to weed problems in gravel paths or driveways. Weed suppressant fabrics and plastic don’t work for the long-term.
Gravel driveways add a bit of rustic charm to your home. Gravel is a lot cheaper than block paving, cleaner than tarmac, good for drainage, looks better and more ECO friendly than imprinted concrete and also help with security. Burglars hate walking or driving over crunchy gravel.
Do weed suppressant fabrics work? the pros and cons
Always check Strength actually is 360g/l when buying concentrated Glyphosate weed-killer from other sources.
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Tools for digging weeds out of gravel drives and paths.
Cons; Because Vinegar is a disinfectant it kills beneficial bacteria in your soil sterilising the soil for up to two years, could be a problem if you want to plant in it any time soon.
Cons; Unfortunately raking also stirs up the dirt that has got into the gravel creating a seed bed for new airborne weeds.
Weeds growing in gravel are difficult to remove, let alone control. Of course, some weeds can be hand removed, but often they will return with a vengeance and in greater numbers. Pulling those weeds that are just about to bloom will aid in reducing the number by preventing the plant from going to seed.
Although we have a poured driveway, my neighbor is not so lucky and the rampant weeds coming though gravel rocks are enough to drive her crazy. She spends the better part of her yard maintenance on the removal of these gravel weed plants. What are some methods for preventing weeds in gravel and/or removing these persistent gravel weed plants?
Ideally, your gravel area would have a weed barrier laid prior to laying the gravel. Perhaps this didn’t happen, or the barrier (plastic sheeting) is old and full of holes. You can still push aside the gravel, lay a barrier (after eradicating the weeds with a chemical weed killer), and return the gravel to the driveway or like. Lots of work, but it will keep the weeds from growing in the gravel.
Gravel Weed Plants
Some weeds, such as (prostrate spurge), have a deep taproot, making it extremely tough to get rid of by hand. It is a summer annual weed with thick, waxy, leaves with a telltale reddish stripe down the center. Try pulling it before it goes to seed since, once this weed is established, even a weed killer is little help due to the difficulty penetrating the thick waxy leaves. Use a pre-emergent with active ingredients such as pendimethalin or oryzalin for severe infestations.
Before attempting to eradicate the weed population in your gravel areas, you should first identify what type of weed you are going to battle with to figure out the best method of elimination. There are three basic types of gravel weed plants: broadleaf weeds, grassy weeds and woody weeds.
How to Remove Weeds in Gravel Driveways and Other Areas
You can also try laying the gravel more thickly. A 3- to 5-inch (7.5-12 cm.) layer of gravel can aid in preventing weeds in gravel. Also, make sure that the irrigation from the lawn watering isn’t running into the gravel. All that lovely water will facilitate weed growth.
Lastly, a chemical weed killer may be the last option. These can be dangerous to you and the environment, so wear appropriate protection prior to spraying and read the manufacturer’s instructions carefully. Also, some are illegal for use in some areas, so check with your local university extension office for assistance. You may need one that is a selective weed killer if using it abutting flowerbeds or grass. A non-selective weed killer is useful in paved and gravel areas when in doubt of the type of weed you are dealing with. Be careful though, as it will kill or damage other plants.