Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? (2024)

by Olle Gardens

If you have been gardening for some time, you may have dealt with landscape fabrics. Perhaps you have used it to set up mulch to prevent weeds from growing or prepare to plant a garden. If you have encountered this situation, you may want to know whether the double-layer fabric is safe. The following content also has some reference value for raised garden beds.

You can use double-layer landscape fabric. However, it is usually unsafe, especially in your garden. Additional fabric layers may adversely affect the soil. Therefore, double-layer landscape fabric will be counterproductive and may damage your garden.

The rest of this article will explain some topics related to this issue, including the effect of double-layer landscape fabric and how to use gardening equipment. I will also clarify the benefits of using landscape fabrics correctly.

Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? (1)

Double suppression of water and air passages

A key component of healthy soil is to allow air and water to pass through, thus nourishing the plants in the garden.

Traditionally, landscape fabrics have been designed with perforations to allow air and water to reach the soil. When installed in a single layer, the fabric ideally allows this passage.

However, when you double layer landscape fabric, the top layer will block the opening at the bottom, so air and water cannot pass through. The extra layer creates a desert environment for your plants, and you think it is nourishing them.

Double layer makes weeding difficult

One of the main concepts of landscape fabrics is that installing them will prevent weeds from sprouting by blocking the sun. However, the system is not 100% effective. Weed seeds can be blown at the top and germinated on the covering used for covering the fabric.

When this happens, weeds can thrive and place their roots on the fabric openings that allow water and air to pass through.

It is easy to deal with the problem in the single-layer landscape structure, because all you need to do is simply pull out the weeds. However, in the double layer, weeds attach to the perforation of the two layers, making weeding a nightmare.

In this case, you may need to remove the entire landscape fabric to effectively weed, which may be very troublesome.

Double-layer blocking nutrition

You can set two layers of landscape fabric. The concept is that it can enhance soil protection and prevent the top cover from rotting, so you don't need to replace it often.

However, this is not the case. Most coverings are made of wood by-products, which will naturally decay when exposed to water, regardless of the environment. In fact, this is the meaning of using products in covering; They decay and form nutrients that seep into the soil.

However, the double layer can prevent nutrients from seeping into the soil due to perforation blockage. Therefore, rotten mulch is wasted instead of making your soil healthier.

Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? (2)

How to use landscape fabrics

Now that we have discussed the danger of setting up a double-layer landscape structure, let's see how you should properly install it. You can follow the following simple steps to set up the landscape structure and enjoy its full benefits:

  1. Measure the garden. Take enough measurements to ensure that you get the right size of landscape fabric for your garden.
  2. Select professional landscape fabric. The quality of landscape fabrics determines why some are better than others. Landscape fabrics need to effectively prevent the growth of weeds, but allow air and water to pass through.
  3. Add and grade correction. Before installing the landscape, add soil fertilizer (such as organic matter) to the garden soil, because they cannot be added later. Leveling soil and organic matter to form a flat terrain.
  4. Arrange the fabric. Place the fabric in the garden and roll it, with the rough part facing down. If you use multiple fabrics, please overlap the edges by several inches or plug one on the other to ensure its fixation.
  5. Knitted fabrics. Install transverse pins 8 inches (20 cm) apart along the edge of the fabric. Make sure that the pins are firmly connected to avoid loosening.
  6. Hole cutting. Cut considerable holes around the fabric and make sure they fit the plants you plan to grow.
  7. Cover it. Cover the fabric with a covering of about 2 inches (5.08 cm) to compress the fabric and enhance soil and plant protection. You can use any covering you like.

Benefits of correctly installing layer landscape structure

After correct installation, your layer landscape structure can provide services for your garden in various ways.

One of the most common benefits is to prevent weeds from growing. The fabric can prevent sunlight from penetrating the soil and prevent weeds from sprouting. If used properly, you don't have to spend a lot of money to buy harmful herbicides (source).

The fabric also helps the soil retain moisture by preventing evaporation. When the soil is exposed, the sun and wind can evaporate all the water and make it dry. This means that your garden will need more water than usual to maintain plant water.

Therefore, the use of fabric can protect it from the influence of such elements. It cultivates healthier soil for plant growth. You will notice that your kitchen and garden will become healthier after installing landscape fabric.

Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? (3)

Double-layer landscape fabric in the garden is never a good idea. It promotes unhealthy soil by preventing water, air and nutrients from entering the soil. In addition, when unwanted plants grow from the mulch, weeding is cumbersome and cumbersome.

However, the correct installation of landscape fabric is a simple process, which can produce many benefits. It can protect your garden soil and make it healthier over time. Therefore, do not stop using landscape fabrics, just install them correctly!

Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? (2024)

FAQs

Knowledge from Olle Garden Bed: Can You Double Layer Landscape Fabric? ›

You can use double-layer landscape fabric. However, it is usually unsafe, especially in your garden. Additional fabric layers may adversely affect the soil. Therefore, double-layer landscape fabric will be counterproductive and may damage your garden.

Should I put landscape fabric under a garden bed? ›

Landscape fabric is beneficial for raised garden beds, here are just a few of the many reasons why you should use landscape fabric for raised bed gardening: Prevents soil erosion in a raised bed: As a liner, landscape fabric lets water drain away from the soil while leaving the soil intact.

Do you put soil on top of landscape fabric? ›

Landscape fabric works fine on its own, but it's usually best to cover it with a decorative mulch, rock, or other ground cover. The fabric separates the cover material from the soil, keeping stone and gravel clean and slowing the inevitable breakdown of organic mulch.

How to stop weeds from growing through landscape fabric? ›

Mulch will help keep weeds down in addition to the fabric while covering the landscape fabric, providing organic nutrients to the soil and beautifying your yard. Spread mulch evenly around shrubs and plants as deep as 3-inches to cover the landscape fabric and beautify your garden.

Does landscaping fabric go under mulch? ›

Landscape fabric is not needed beneath mulch to block weeds, if you have the correct amount of mulch. Also, as the mulch breaks down, the nutrients and compost cannot do their job of helping the plants' roots and weeds end up seeding into the compst on top of the fabric.

What are three mistakes to avoid when gardening with raised beds? ›

Seven Beginner Raised Bed Gardening Mistakes to Avoid
  • Picking The Wrong Spot.
  • Not Thinking About The Water Source.
  • Raised Beds Placed Too Close Together.
4 days ago

What is best to put on the bottom of a raised garden bed? ›

Cardboard or newspaper: Cardboard is a great option if you are on a budget. You can line the bottom of your raised garden bed with cardboard and newspaper to deter pests and weeds.

Can you double layer landscape fabric? ›

You can use double-layer landscape fabric. However, it is usually unsafe, especially in your garden.

What should I put down before landscaping fabric? ›

It's best to use landscape fabric under inorganic materials such as rock, gravel, or sand. Landscape fabrics are less effective when used under organic mulch such as wood chips or bark. As this mulch decomposes, it effectively creates a new layer of soil above the landscape fabric.

How to install landscape fabric in raised bed? ›

How to install landscape fabric in a garden or flower bed
  1. Step 1: Measure the garden area. ...
  2. Step 2: Pull the weeds. ...
  3. Step 3: Rake up debris. ...
  4. Step 4: Level out the soil. ...
  5. Step 5: Make amendments to the soil. ...
  6. Step 6: Roll out the first piece of landscape fabric. ...
  7. Step 7: Overlap the remaining pieces of fabric.
Nov 21, 2023

Why landscape fabric should be avoided in a garden? ›

Landscape fabric can lead to soil compaction, preventing air, water, and nutrients from reaching plant roots effectively.

Should I remove old landscape fabric? ›

Landscape fabric damages soil fertility. Landscape fabric drives out microbes, earthworms, and other beneficial insects that maintain soil health. Exposed material can ruin your landscape aesthetic. Garden fabrics or inorganic mulch provide no nutritional value to soil.

Can perennials grow through landscape fabric? ›

Types Of Perennials That Can Grow Through Fabric

Perennial herbs are often tolerant enough to push up between rows of landscape fabric. This includes sage, oregano, thyme, lavender, chives and mint. Many flowering perennials such as daisies, poppies, and black-eyed Susan's will also thrive in these conditions.

What is the best mulch to put over landscape fabric? ›

NON-BIODEGRADABLE MULCHES: By its very design, landscape fabric is intended to last for a long time. It is made from non-degradable, synthetic fibers. So it works best when paired with mulches that will hold up just as well. Rubber mulches*, river rock or other stones.

What can I use instead of landscape fabric? ›

Some of the most common alternatives to landscape fabric are cardboard, newspaper, burlap, ground-cover plants, straw, wood chips, bark mulch, pine needles and lawn waste.

Is landscape fabric better than plastic for vegetable garden? ›

Landscape fabric has a longer lifespan as it's usually a treated, synthetic material made from polyester or polypropylene. Its composition makes it resist degradation. Black plastic mulch, on the other hand, easily breaks down when exposed to direct heat or sunlight.

What to layer in a raised garden bed? ›

Using a layer of rocks, gravel, sand or grit can allow for good drainage and help to prevent water from accumulating and sitting at the bottom of the raised garden bed. On top of the drainage layer, and forming the bulk of the raised bed, comes the ingredients that will make-up the soil in the bed.

Should I put rocks in the bottom of my raised garden bed? ›

Contrary to popular belief, rocks do not significantly enhance drainage when put at the bottom of a raised garden bed. Eventually, the soil will fill the spaces between the rocks and actually slow down drainage.

Should you put a membrane in a raised bed? ›

If you use wood to make raised beds it should be treated to make it last longer than untreated wood, but to further extend its life, it's a good idea to line the sides and any buttresses with plastic. This could be a bespoke damp proof membrane or old compost bags, cut to size.

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