Allotment & Standard Wooden Raised Bed Liners - Harrod Horticultural (2024)

Our quality Raised Bed Liners have been carefully designed to fit our range of Allotment Wooden Raised Beds & Standard Wooden Raised Bedswith various sizes and depths to provide added protection if the beds are on hardstanding areas and also to help water retention and prevent soil washing out of the raised beds.

We'd thoroughly recommend you use one of our thick, one piece, polypropylene fabric raised bed liners when growing in raised beds on the patio; the porous material of the liner will help water retention, prevent the compost and soil from running out onto the hard surface - possibly causing staining - and will also help prevent weeds from growing through from beneath, a further reason for using a liner if your bed is positioned on soil or turf.

Our raised bed liners come in a wide range of different dimensions.The raised bed linerswill fit one, two and three tier versions of the Allotment and Standard beds (15cm, 30cm and 45cm).

  • Raised Bed Liners manufactured from polypropylene fabric
  • Will fit single, double and triple tier versions of Allotment and Standard Wooden Raised Beds
  • Liners help to regulate drainage and retain water
  • Please Note: liners are no longer supplied with corner loops
  • Raised bed soil is notorious for drying out
  • Liner will retain fine sand and compost used when growing certain vegetables e.g. carrots
  • Ideal if the bed is located on a patio, in a courtyard or even on tarmac
  • Helps prevent leaching of soil and nutrients
  • Threat of staining patio or other hardstanding area is reduced
  • Liner helps suppress weed and grass growth when bed is positioned on soil or turf
  • The Raised Bed Liners are available to fit beds of the following sizes (actual liner dimensions will be smaller):-
  • 0.6m x 0.6m (2ft x 2ft)
  • 0.6m x 1.2m (2ft x 4ft)
  • 0.6m x 1.8m (2ft x 6ft)
  • 0.6m x 2.4m (2ft x 8ft)
  • 1.2m x 1.2m (4ft x 4ft)
  • 1.2m x 1.8m (4ft x 6ft)
  • 1.2m x 2.4m (4ft x 8ft)
  • 1.8m x 2.4m (6ft x 8ft)

Please Note: On occasion if a certain size liner is unavailable we may substitute for a liner made from a weed control material. This offers the same properties as the woven liner and will serve the same job, it just means customers do not have a delay between receiving their beds and liners which may delay installation.

RAISED BED LINER FREQUENTLY ASKED QUESTIONS

1. Are weeds suppressed?
If the bed is positioned over ground with persistent weeds they may push through so we recommend using a liner to help prevent this and weeding beforehand.

Weeds are suppressed more when growing in raised beds as the crops can be planted closer together due to the fertile well aerated soil. This is more likely to starve the weeds of light and nutrients.

Also the lighter, un-trampled condition of the soil makes weeding a doddle.


2. Do raised beds require more watering?
It very much depends on what you are comparing them to and what substrate they are sitting on.

If you have very sandy soil in your garden and you switch to raised bed gardening, you can select a soil for the raised beds that is better at retaining water, coupled with a liner this will help reduce water loss.

Raised beds will warm up faster than a traditional bed so you do need to keep an eye on how dry the soil is.

If the soil under the bed is heavy clay and water logged, obviously drainage may be a problem. A few inches of gravel in the base of the bed will help in this situation.

3. How much soil do I need to fill my bed?
Multiply the depth cm x width cm x length cm = (result) ÷1000 = amount in Litres

e.g. for a 4ft x4ft x 1 tier bed: 120cm x 120cm x 15cm = (216,000) ÷ 1000 = 216 Litres

1000 Litres = 1m3 = 35.3 ft³


4. Do you need to put anything in the raised bed to help with drainage?
This depends on where the raised bed will be situated in the garden. If the raised bed is being placed directly onto soil the drainage should not be a problem because the excess water will drain through the grass/soil underneath it.

If the soil is heavy clay and water logged obviously drainage may still be a problem. A few inches of gravel in the base of the bed will help in this situation.

On free draining soil a liner may help conserve water as it will prevent the water draining too fast. consider the type of soil/compost that you are going to fill the bed with and tailor it to suit the site.

If the raised bed is being placed onto a patio, we recommend lining the inside of the bed, this will help retain water and also prevent fine sand from washing out of the bed onto the patio.

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Allotment & Standard Wooden Raised Bed Liners - Harrod Horticultural (1)

Allotment & Standard Wooden Raised Bed Liners - Harrod Horticultural (2024)

FAQs

What is the best lining for raised garden beds? ›

You can line your raised bed to make it more durable and to prevent toxics from leaching into the soil. For lining, use landscape fabric found at garden supply stores or cloth fabric from clothing. Avoid non-porous plastic, as it can retain too much water and discourage beneficial insects and worms.

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

What Are 3 Common Mistakes to Avoid When Gardening with Raised Beds?
  • Overcrowding Plants. One of the most common mistakes made when gardening with raised beds is overcrowding plants. ...
  • Using Poor Quality Soil. Another common mistake when gardening with raised beds is using poor quality soil. ...
  • Neglecting Watering and Drainage.
Mar 11, 2023

Should you put a liner in a raised garden bed? ›

Many experienced gardeners recommend lining raised beds for these reasons: It provides insulation for the soil and helps control temperature fluctuations. It helps with soil retention. It separates weeds from seeds.

Does a wooden raised bed need a liner? ›

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.

What should I put in the bottom of my raised garden bed? ›

To put it simply, you should put a layer of organic material at the bottom of your garden bed, which will break down and enrich the soil. This can include compost, or woody material such as logs, dry wood, branches, and leaves.

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

The answer is no! Here are some reasons why we recommend against adding rocks to the bottom of your raised beds: Hindered root growth. Rocks in the bottom of a raised garden bed can impede the growth of plant roots, particularly if they are large or densely packed.

What vegetables grow best in raised beds? ›

Carrots, beets, and radishes are some of the root vegetables that will really benefit from the improved soil. Spinach, chard, arugula, kale, and lettuce are some leafy greens to plant in raised beds. These quick-growing greens can be planted together or interplanted with other vegetables.

What not to fill a raised garden bed with? ›

Raised beds that are small and shallow (under 12 inches deep) are typically only filled with soil. Adding other organic materials to shallow beds usually isn't a good idea. Sticks, twigs, and other materials further reduce the limited soil space and can interfere with plant root growth and water drainage.

Why put cardboard in raised beds? ›

You can line the bottom of your raised garden bed with cardboard and newspaper to block out weeds or act as a barrier against rhizomatous, weedy or invasive plants. While some may opt for landscape fabric, cardboard is a more cost-effective option.

How do you fill a raised garden bed cheaply? ›

Fill the bottom half with broken branches, twigs and general forest waste. Add green material like grass clippings, weeds (without roots or seeds) comfrey cuttings, kitchen vegetable waste. Top up with 6 inches of topsoil and home-made compost mix.

Should you put landscape fabric under a raised 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.

What is the best bed liner for wood? ›

When you are selecting a bed liner coating, we recommend Durabak. It can be used on wood surfaces, unlike some products that can only be applied to metal.

How to line a wooden raised planter? ›

- Measure the interior dimensions of your wooden planter and cut the pond liner or geotextile fabric to fit. - Place the liner inside the planter, ensuring it covers the bottom and sides completely. - If using pond liner, you may want to use a heat gun to soften and mold it to the shape of the planter for a neater fit.

Should I line a wooden planter box with plastic? ›

Plastic sheeting is the best material for lining a planter with. Pond liners work well for lining the bottom of planters as they are robust and can easily be shaped into the perfect size to fit the dimensions of your planter. Pond liners are also thick enough to reduce any evaporation of water from the soil.

What is the best filling for a raised bed? ›

Bagged raised bed potting mix is commonly used in small raised beds, but you can purchase it in bulk from local landscape companies. Another option is to make your own potting mix by blending equal parts of topsoil, compost, and sand to create a quality mix that's appropriate for most vegetables, herbs, and flowers.

What material to line raised beds? ›

Plastic (non-porous liners / damp-proof membranes)

High-quality plastic damp proof membranes offer the best type of protection for your raised bed. This type of liner will ensure your structure stays in great condition.

What is the best material to line a planter box? ›

Plastic sheeting is the best material for lining a planter with. Pond liners work well for lining the bottom of planters as they are robust and can easily be shaped into the perfect size to fit the dimensions of your planter. Pond liners are also thick enough to reduce any evaporation of water from the soil.

What are the best layers for a raised garden bed? ›

Start with a layer of coarse material like gravel or small stones for drainage. Add Soil Mix: Fill the bed with a mix of topsoil, compost, and other organic materials.

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