Placing pea gravel directly on-top of soil is not a good idea. Whether the gravel is an alternative to mulch or you’re building a patio, a layer of landscaping fabric should first be placed on-top of the soil to discourage the growth of weeds.
Third, it’s not a good idea to install pea gravel directly on top of soil, so you’ll have to place landscaping fabric over the top soil. The fabric will help prevent weeds that could eventually displace the pea gravel, causing a not-so-appealing mess.
How to Keep Weeds From Growing Through the Pea Gravel
Frequently Asked Questions
Do you need landscape fabric under gravel?
Yes. Putting landscape fabric under gravel isn't a requirement, but it is recommended. When used under gravel, it provides all the positives of weed control and added stability, without any of the negatives.
What do you put under pea gravel?
Generally, you work the soil about 6 inches deep, remove any weeds, lay down 2 inches of coarsely textured base rock (also called crushed rock), and cover that with a 3-inch-deep layer of pea gravel. The base rock stabilizes the pea gravel to provide a firm surface.
Do you need to lay anything under pea gravel?
You may just need to dig out and tamp down the area and add 2 to 3 inches of pea gravel over landscape fabric. However, a base layer is still a good idea for hard soil since it'll give the patio more structure, support and allow for better drainage.
Can you put pea gravel over landscape fabric?
Don't Apply Pea Gravel Directly on Top of Soil A layer of landscaping fabric should always be laid down before you add the pea gravel. This will help to discourage the growth of weeds and plants that could otherwise destroy the beauty of the pea gravel and displace it.
Is it okay to put landscape fabric under gravel?
Wondering if pea gravel would be better. After this layer I will put down another of landscape fabric to keep the two gravels from mixing. Then a 2 inch layer of river rock. Need to know if the roadgrade gravel is okay. Thanks. Don't worry about different mixes of gravel.
What to put under pea gravel for patio?
Pea gravel is a cheap and easy to maintain patio material that can be used on its own or with other elements like stones or cement. What do you put under pea gravel? Landscaping fabric and sand or crushed rock (or both) are most common. You can also use a honeycomb grid for extra stability.