Will Bulbs Grow Through Landscape Fabric?

Landscape fabric is a popular choice for gardeners who want to reduce weed growth and maintain a tidy garden. However, many gardeners are left wondering if bulbs can grow through landscape fabric. In this blog post, we will explore this topic in detail and provide you with all the information you need to make an informed decision about using landscape fabric for bulb planting.

Will Bulbs Grow Through Landscape Fabric?

What is Landscape Fabric and Why is it Used?

Landscape fabric, also known as weed barrier fabric or weed cloth, is a permeable material used to control weed growth in gardens and landscaping projects. The fabric is made from a woven or non-woven material, typically polypropylene or polyester, and comes in various thicknesses and strengths.

The purpose of landscape fabric is to create a barrier between the soil and the environment, preventing weed seeds from germinating and growing. It also helps to retain moisture in the soil, prevent erosion, and protect plant roots from extreme temperatures.

The fabric is typically installed by laying it down on the soil surface, cutting holes or slits in the fabric to allow plants to grow, and then covering it with a layer of mulch or other decorative material. This creates a tidy and weed-free garden, while also providing numerous benefits to the plants and soil.

Types of Landscape Fabric and Which is Best for Growing Bulbs

There are several types of landscape fabric available in the market, each with different properties and benefits. It is important to understand the differences between these types to choose the best one for your specific gardening needs.

Woven Landscape Fabric

Woven landscape fabric is made by weaving fibers together, creating a strong and durable material. It is typically thicker and heavier than non-woven fabric and can last for up to 25 years. Woven fabric allows water and air to pass through easily, making it ideal for gardens with heavy foot traffic or larger plants. However, it can be more expensive than other types of landscape fabric.

Non-Woven Landscape Fabric

Non-woven landscape fabric is made by fusing fibers together, creating a material that is lightweight and easy to handle. It is typically less expensive than woven fabric and is ideal for use in areas with light foot traffic or for small plants. Non-woven fabric can tear easily and may not last as long as woven fabric.

Permeable Plastic Landscape Fabric

Permeable plastic landscape fabric is a newer type of landscape fabric that is made from recycled plastic. It is permeable, allowing water and air to pass through easily, and is resistant to UV rays and punctures. However, it is not as breathable as woven or non-woven fabric and may not be the best option for bulbs that require good soil drainage.

When it comes to growing bulbs, it is best to choose a landscape fabric that is breathable and allows for good soil drainage. Woven and non-woven fabric are both good options for bulb planting, with woven fabric being ideal for larger bulbs and heavy foot traffic areas, while non-woven fabric is best suited for smaller bulbs and lighter foot traffic areas. Permeable plastic fabric may not be the best option for growing bulbs, as it may not provide adequate soil drainage.

How Bulbs Grow and the Impact of Landscape Fabric

Bulbs are a type of plant that stores energy in an underground, fleshy stem. This energy is used to produce flowers and leaves once the bulb sprouts. When a bulb is planted, it sends out roots to anchor itself in the soil and absorb nutrients and water.

To thrive, bulbs require certain conditions, including well-draining soil, adequate moisture, and plenty of sunlight. When planted, bulbs need to be placed at the right depth, which varies depending on the type of bulb. Some bulbs, like tulips and daffodils, prefer to be planted deeper, while others, like crocus and grape hyacinth, prefer to be planted more shallowly.

The use of landscape fabric in bulb planting can impact bulb growth in a few ways. If the fabric is not breathable or does not allow for good soil drainage, bulbs may struggle to establish roots and absorb nutrients and water. Additionally, if the fabric is not installed properly, bulbs may have difficulty pushing through the fabric and emerging above ground.

However, if landscape fabric is installed correctly and is breathable and allows for good soil drainage, it can actually benefit bulb growth. The fabric can help to prevent weed growth, retain moisture in the soil, and protect bulbs from extreme temperatures.

The Impact of Landscape Fabric on Soil Moisture and Drainage for Bulb Growth

Soil moisture and drainage are critical factors for bulb growth, and landscape fabric can play a role in both. The impact of landscape fabric on soil moisture and drainage depends on the type of fabric used and how it is installed.

If the fabric is not breathable, it can prevent water from penetrating the soil and reaching the bulbs. This can result in dry soil, which is harmful to bulb growth. Additionally, non-permeable fabric can create a barrier between the soil and the atmosphere, which can prevent proper soil aeration and drainage. Poor soil drainage can lead to waterlogging, which can cause bulbs to rot and die.

On the other hand, permeable landscape fabric allows water to penetrate the soil and reach the bulbs, while also providing a barrier against weed growth. It can also help to retain soil moisture, which is beneficial for bulb growth, especially during dry periods.

When installing landscape fabric for bulb planting, it is important to ensure that the fabric is properly installed to allow for adequate soil drainage. The fabric should be placed on top of well-draining soil and covered with a layer of mulch or other organic material. This will help to prevent water from pooling around the bulbs and promote healthy bulb growth.

Experiments on Bulb Growth through Landscape Fabric

Several experiments have been conducted to determine whether bulbs can grow through landscape fabric. The results of these experiments can provide valuable insights for gardeners who are considering using landscape fabric in their bulb planting.

One study conducted by the University of Massachusetts Amherst found that bulbs can indeed grow through landscape fabric. The study tested three different types of fabric: a non-woven geotextile, a woven geotextile, and a spunbonded fabric. The study found that all three types of fabric allowed for adequate bulb growth and did not impede emergence or development.

Another study conducted by the University of Arkansas Cooperative Extension Service found similar results. The study tested two types of fabric: a non-woven polypropylene and a woven polypropylene. The study found that both types of fabric allowed for good bulb growth, but that the non-woven fabric was more effective at preventing weed growth.

In addition to these studies, many gardeners have conducted their own experiments and have reported successful bulb growth through landscape fabric. Some gardeners have even reported that using landscape fabric has led to improved bulb growth, as the fabric helps to retain soil moisture and prevent weed growth.

Alternatives to Landscape Fabric for Bulb Planting

While landscape fabric can be a useful tool for bulb planting, it is not the only option for preventing weed growth and protecting bulbs. There are several alternative methods that gardeners can use to achieve similar results.

Mulching is one alternative to landscape fabric. Mulch can help to suppress weed growth, retain soil moisture, and regulate soil temperature. Organic mulches, such as shredded leaves or straw, can also provide nutrients to the soil as they break down over time. When mulching for bulb planting, it is important to use a thin layer of mulch to avoid smothering the bulbs.

Another alternative is to plant bulbs deeper. Planting bulbs at a depth of six to eight inches can help to protect them from weed growth and temperature fluctuations. Deep planting can also help to prevent bulbs from drying out during periods of drought.

Hand weeding is another effective method for weed control. By pulling weeds by hand, gardeners can remove weeds without disturbing the soil or damaging the bulbs. This method requires regular maintenance and can be time-consuming, but it is a good option for small gardens or areas with few weeds.

In addition to these methods, some gardeners choose to use a combination of techniques to achieve weed control and bulb protection. For example, planting bulbs deeper and mulching with organic material can help to suppress weed growth and provide adequate soil moisture.

Tips for Planting Bulbs with Landscape Fabric

If you choose to use landscape fabric for planting bulbs, here are some tips to ensure successful growth.

  • Choose a high-quality landscape fabric that is permeable to air and water. This will allow for adequate soil moisture and drainage.
  • Prepare the planting area by removing any weeds or debris. Make sure the soil is loose and well-draining.
  • Cut holes in the landscape fabric where you want to plant the bulbs. Make sure the holes are slightly larger than the bulbs to allow for growth.
  • Plant the bulbs at the recommended depth, following the instructions on the packaging. Make sure the bulbs are planted firmly in the soil.
  • Cover the bulbs with soil and water thoroughly to ensure good soil contact.
  • Apply a thin layer of mulch over the landscape fabric to help retain soil moisture and regulate soil temperature.
  • Monitor the bulbs for signs of growth and adjust watering as needed.
  • When the bulbs have finished blooming, allow the foliage to die back naturally before removing it. This will help to nourish the bulb for the next growing season.


Can roots grow through landscape fabric?

Yes, roots can grow through landscape fabric. However, the extent to which they can penetrate the fabric depends on the type and quality of the fabric, as well as the size and strength of the roots. In some cases, roots may be able to grow through small gaps or tears in the fabric, while in others, they may be restricted by the fabric’s permeability and thickness.

Does landscape fabric hinder plant growth?

The effect of landscape fabric on plant growth can vary depending on several factors, such as the type and quality of the fabric, the plant species, and the environmental conditions. While landscape fabric can help control weeds and improve soil moisture retention, it can also hinder plant growth by restricting root growth and airflow, and potentially causing issues with drainage.

Can you plant through landscape fabric?

Yes, it is possible to plant through landscape fabric. However, the ease and success of planting through the fabric depends on the type and quality of the fabric, as well as the size and depth of the planting hole. It is important to use a high-quality permeable fabric and to prepare the soil and planting hole properly to ensure successful planting through the fabric.

Will bulbs come up through mulch?

Yes, bulbs can come up through mulch. Mulch can actually help protect bulbs and improve soil moisture retention, making it an effective method for planting bulbs. Ensure that the mulch layer is not too thick and to plant bulbs at the appropriate depth for successful growth.


The use of landscape fabric when planting bulbs is a topic of debate among gardeners. While some gardeners have reported success with using landscape fabric to plant bulbs, others have found that it can hinder bulb growth and cause issues with soil moisture and drainage.

It is important to consider the type of bulbs you are planting, the quality of the landscape fabric, and the environmental conditions of your planting area when deciding whether or not to use landscape fabric. Additionally, it is important to follow proper planting techniques and monitor the bulbs for signs of growth and health.

If you do choose to use landscape fabric when planting bulbs, make sure to choose a high-quality fabric that is permeable to air and water, prepare the planting area properly, plant the bulbs at the right depth, and monitor them for signs of growth. Alternately, if you prefer not to use landscape fabric, there are alternative methods for preventing weeds and protecting bulbs such as mulching or planting bulbs deeper.

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