How to use sedum mat for pond edging

3 min read

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Ponds are a tranquil feature in a garden, but after installing one, you may ask yourself: how do I cover the edges of my pond?

It’s difficult to find plants to use around the edge of a pond, particularly if you want them to hide the pond liner and attract wildlife. Ideally, you want to avoid dropping seeds, leaves and debris into the water. But also to be pleasant all year round with the minimum amount of attention.

Provided the pond in question is in a sunny spot, sedum matting fulfils all of those criteria.


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Using a sedum mat around a pond edge

At Turfonline, we hear gardening stories all the time, and one of them explains the reason why sedum matting for ponds can work so well. One of our clients had a small pond installed in their garden as a Christmas gift from their family. It looked beautiful and hidden. Tucked around the corner from their summerhouse with a flowing fountain and twinkling lights. It was also home to two frogs and a myriad of insects. Blackbirds, sparrows and bluetits would visit on a regular basis. It was a haven.

However, the landscaping threw up a massive conundrum. Left with a hole full of water edged by a 60cm width of butyl pond liner. They couldn’t cut it or remove it, otherwise the pond would collapse, and it was difficult to lay paving around it.

The solution was sedum matting. Commonly thought of as just a green roofing material, it also adapts well to being used on the ground. The plants already have as much growing medium as they need, so there’s no need to dig a hole or add extra soil. But it does need to be installed properly.

Avoiding weeding


Going to the extra expense of buying drainage mat and water retention along with the sedum matting seemed daft, but actually it was a worthwhile investment.

If sedum mats are laid directly on the soil, any seeds that are dropped onto it by visiting wildlife can happily germinate and put their roots down into the earth for a ready supply of food and water. This denies weeds access to soil, and a long dry summer will kill them off naturally. On the other hand, sedum plants will normally survive a drought without too much fuss.

How to install sedum matting around a pond

To install sedum matting into the ground:

  1. Lightly rake the soil and remove all sticks, stones and debris
  2. Cover the area with heavy gauge polythene or butyl pond liner
  3. Unroll a layer of drainage matting onto the poly/liner. This prevents plants from becoming waterlogged.
  4. Lay water retention matting on top of the drainage mat. All of these mats can be trimmed with scissors or a sharp knife, but take care not to damage the polythene.
  5. Lastly, install your Enviromat sedum matting. It should sit on top of the water retention matting.

Give everything a good soaking to settle it in and now you have a carpet of plants to surround your pond.

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