How do I use geotextiles in planters or raised beds?

January the month all gardeners spend peering out at the garden from the windows and rushing out between rain showers and icy days to check on the plants. Then February the month your waiting for the icy mornings to vanish before you can put new garden plans into action. It might be bulbs, vegetable planting, even harvesting those hardy winter veg,

You might be planning a whole garden renovation or just making do with what you have. Each spring is a new chance to add and reimagine your outdoor space.

Why not install some garden planters? A versatile item that can be relocated if your looking for a change or even painted to provide a whole new garden vibe. They can also be replanted if mood dictates. Planters also come in all shapes and sizes to suit all budgets you can also have a go at making one yourself. So it’s an easy way to add to an existing garden or to even get you started if 2023 is the year your taking up gardening.

Raised beds are also a great addition for any garden, to create a new planting area. It can also help utilise awkward corners or areas around trees.


Garden planters need little prep before use but with a few simple additions you can ensure the longevity of your handy garden addition.

Be sure to add a drainage layer in the bottom of your planter to all for drainage. This could be stones, gravel, broken polystyrene anything to provide a place for water to collect and not flood tender roots.

Why do I need a membrane for my planter or raised bed?

A great addition to a planter/raised bed is a geotextile layer. This layer will be added first. The geotextile will provide a long term solution to protect your planter/raised bed panels especially if it is wooden. A geotextile membrane will separate the wood from the soil whilst providing a barrier it still works as a drainage layer. Protecting the wood from the soil which may contain acids or alkalis and from water. A geotextile layer will not rot over time and will add to the longevity of your planter. Overtime it will also act as a root barrier if your plants grow well.

At Spudulica we offer cut sizes of geotextile membrane so you can buy what you need,

We also supply a range of geotextile that cans suit your requirements and planter/raised bed design.

White and black available in non-woven membrane ready for your separation and drainage needs.

A raised bed is usually just created with built up sides with this garden option you may want a different solution why not use a woven option. This would only be recommended on the sides of the planter as you still need a drainage layer in the bottom, likely your planter is sitting directly on the soil/sub base so you won’t add another protection layer in.

How do I fill my planter or raised bed?

Part fill with compost and ensure it is packed down say 2/3rds of the planter will now be full.

Add your plants; be sure any plants are well spaced and will work in harmony once planted.

Then fill around the plants/bulbs etc with soil and compact down.

Water and add a gravel layer to the surface to deter garden pests away from your new additions.

How do I line a planter or raised bed?

Clean and dry your planter/ raised bed panels.

Push the geotextile down the sides and line the bottom of the planter/panel.

Any corners can be neatened up by folding or making small cuts then folding.

Remember to secure the membrane on each surface, you don’t want it shifting as you add soil or the drainage layer. This can easily be done with double sided tape or staples.

Once secured and covering all areas your good to get planting.

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