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Green Slate 40mm

  • 40mm Green Slate up-close wet
  • 40mm Green Slate up-close dry
  • 40mm Green Slate in decorative landscape with dragonfly
  • 20mm Green Slate in garden landscape
  • 20mm Green Slate as a garden border
  • 40mm Green Slate with green slate paddlestones and grass reeds

Green Slate 40mm

Per m2
£14.25
Maxi Bag
£3.99
was 
Excludes Delivery
Prices Exclude VAT
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Enter your postcode for a delivery price (Prices exclude VAT)

✔ Immediate Delivery Available

✔ In Stock In-Store & Online

40mm Green Slate

Our Green Slate for gardens is a very popular product within our vast decorative stones range. Although it's labelled as Green Slate, in reality, this naturally-quarried garden stone is a lovely grey/green colour that consists of varying shades of grey, silver and green. This rustic slate stone is flat in shape with an angular finish. 

Quarried in North Wales, this popular decorative stone measures 40mm on average, making it the perfect addition to any landscape, giving it a natural yet enhanced look. The colours look best when wet to really see the depth of all the colours. It is also fish-friendly, making it ideal as a pond addition. This product has been recycled and is lime free.

40mm Green Slate for Your Garden

Green Slate decorative stones are the perfect addition to a garden that is looking for something to give it that finishing touch as well as a natural feel to it. 

Due to it's slightly larger size, Green Slate is best used as a decorative feature, as opposed to using it for practical uses such as a pathway or a driveway. A popular feature people go for is surrounding hard landscaping features, such as garden paving or grass areas. 

Green Slate is also very effective when placed in your front garden. Many people don't have time to tend to their front garden, so are just looking for something that is low maintenance that looks nice when guests arrive. For that reason, Green Slate can be placed on top of Weed Fabric in an area in the front garden that just gets looked at. You could also use it as a border around the front or sides of your house.

40mm Green Slate for a Garden Pond

If you're in the fortunate position of having a garden pond to admire, Green Slate makes the perfect decoration for it! The green/silver colours of Green Slate are best admired when the stones are wet, therefore, many people place these Slate stones just around the outside of the pond, as well as just under the water.

With this natural stone being completely lime free, it makes it perfectly safe to place in a garden pond that is also inhabited by fish and other animals. These could act as steps for certain creatures like frogs, and create a multi-layered pond.  

How to Buy 40mm Green Slate

This stone can be collected for free at one of our depots in Wimborne, Bournemouth or Dorchester, or these garden stones can be delivered nationally to anywhere in the UK.

You can use our Stone Calculator to work out how much of this stone you need - simply enter the measurements of your garden, the depth at which you want to lay the stone and it will work out how much you need!

Available Pack Sizes

20kg maxi bags 

850kg bulk bags

How to Create a Garden Pond 

Whether you're looking to create a modern, sleek garden pond that sits in the middle of your garden and is very minimal with decoration, or you want a completely natural-looking pond to encourage a host of wildlife to your garden, we have created a handy guide for you to follow if you're up for the challenge of creating your very own garden pond! It's a lot cheaper and easier than you may think, read on to find out more!

1. The first step is to plan where in the garden you want to place your pond. Before you make your mind up, think about the following points; what would be the best place? We would suggest avoiding putting your pond under trees, as you'll be constantly ridding it of all the falling leaves which can be a pain to do and contaminate your pond water. Somewhere that gets a fair amount of shade and a little bit of sunlight would make an ideal pond placement, so the water doesn't get too warm.

2. Next, decide on the size you want your pond to be, and where you're going to buy it from. If you want a ground-level pond, you can buy plastic ponds from your local garden centre. If this is the case, mark the desired area with spray paint to ensure it is the desired size. If you're looking at creating a raised pond, you could either use retaining Sleepers lined with a plastic sheet, or even upcycle an old washing basket!

3. If you're creating a ground level pond, dig out the desired area to the correct depth. You can use Scalpings to fill in any gaps after you've added your pond.

4. This is the fun part where you can add your water! People have also bought water pumps that are solar-powered to create more of a water feature; you can even add a small water fountain to give it the wow-factor!

5. Lastly, consider the look that you want your pond to have. If you like the idea of a natural rockery pond, purchase larger Rockery stones with additional, smaller stones like Green Slate. Take a look at some water plants from your local garden centre, and make your pond look exactly as you want!  

PLEASE NOTE: Due to our Decorative Stones being a naturally-sourced product, there will always be some variation from batch to batch, especially in terms of colour. On occasion, your garden stones may be very dusty; we recommend hosing your new stones down to wash them and reveal their true colour.   

Buy With Confidence

  • Our 40mm Green Slate can be purchased in 20kg maxi bags or bulk bags that weigh approx. 850kg
  • Not sure how much you need? Use our quantity calculator and enter your garden width and length to find out how many maxi bags/bulk bags you need! 
  • Please select the bag size you'd like to buy and add to your basket 
  • Our aggregates will either arrive on a hiab lorry that can be used to lift the stone onto your garden, or it will arrive on a pallet for kerbside delivery; depending on your address
  • You can choose free collection from one of our Depots or fuss-free, home delivery.

A Service You Can Rely On

  • Our reliable service offers prompt delivery to any area in the UK
  • Stone Zone is a family-run business that has been well-established since 1998
  • Our efficient customer advisors can help you with your purchase
  • We pride ourselves on offering a range of affordable garden supplies 

Sample stones are available in-store, please ask a customer advisor. 

A Delivery Service Tailored to You

You don't need to be there for delivery; if you're happy to do so, our delivery drivers can deliver bulk bags to your front garden or drive without a signature.

Alternatively, our experienced drivers can operate their lorries to deliver bulk bags over fences at the front, side or back of your property, you will need to be present for this delivery type. 

If you're delivery location is classed as a national delivery, your order will arrive via a third party courier on a pallet through kerbside delivery. To find out if you're in our local or national delivery area, click here. 

Please let us know if there are any access difficulties to your road or property. If your property has very tight access and we need to use a small lorry, a surcharge will apply.   

Any questions? Use our live chat to speak to an advisor, alternatively, you can fill out an enquiry form or call us on 01202 874207. 

See this product at:
  • Dorchester
  • Ferndown
  • Bournemouth
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