Last Modified: February 14, 2024

Oyster Shingle

Unique Marine Flint for Landscaping

close up of Oyster Shingle

By Ben Parrot - Landscape Gardener & Amateur Geologist

Classification:

Stone landscaping material and construction aggregate

Geological name(s):

Microcrystalline quartz

Other Name(s):

Lydd gravel, Lydd pebbles, oyster pebbles

Overview

Welcome to the only encyclopaedia for decorative aggregates and landscaping materials. Oyster shingle, also known as Lydd gravel, is a mid-priced and unique decorative aggregate known for its distinctive texture and appearance in outdoor design. They are a naturally rounded grey and buff marine flint stones, with the typical sub-angular shingle shape, with one end typically thicker than the other.

This is a comprehensive encyclopaedia listing about oyster shingle, a hardscape and construction aggregate. It details the product's specifications, accompanied by photographs, and outlines its benefits, applications, and incompatibilities as a landscaping material. Additionally, this entry serves as a gateway to a wealth of DIY resources, with a list of comparable alternatives, articles offering design inspiration and fundamental principles, and a collection of straightforward, step-by-step instructions for constructing your own hardscaping features.

Oyster Shingle Specifications

material

colour

shape

sizes

fall safety

price

Flint

10-20mm

durability

fish friendly

eco friendly

degradability

ph

diy friendly

Non-degradable

Neutral

Material

Sedimentary marine flint

Colour

Grey, brown, cream, and blue-grey shades

Shape

Sub-angular to  rounded

1.close up of oyster shingle

Size Range

10-20mm (0.4-0.8")
Oyster shingle 20mm, 20mm oyster,

Fall Safety

Unsuitable for play surfaces

Price

Mid

Durability

High

Fish Friendly

Yes

2.oyster shingle close up.jpg

Eco-friendly

Yes

Degradability

Non-degradable

pH

Neutral

DIY-Friendly

Yes

3.oyster garden path

Benefits

Decorative aggregates like oyster shingle offer several benefits in garden and landscaping design. They are low maintenance, environmentally friendly, and provide a natural aesthetic that complements various outdoor themes. The use of these aggregates also aids in soil moisture retention and weed suppression.

Oyster shingle, specifically, brings a unique coastal charm to any setting. Its natural colour palette, predominantly in cream, grey, and brown, blends seamlessly with a range of design styles. The irregular shape, depth, and texture of these pebbles create a visually interesting surface.

  • Inhibits weeds
  • Improves drainage
  • Hard-wearing
  • Eco-friendly, sustainable
  • Low-maintenance
  • Moisture retention
  • Versatile all-rounder
  • pH neutral
  • Transform space fast
  • Safe for aquatic life
  • Root protection
  • Easy to lay

Applications

Oyster shingle is exceptionally versatile, making it suitable for a wide array of applications. It is commonly used in garden features, such as water features, borders and as a top layer in potted plants. Oyster shingle is also a popular choice for creating natural stone water features and complements paving slabs for a complete, cohesive garden design.

We advise against using these rounded products for driveways or pathways as they cannot interlock with each other as effectively as angular stones. As a result, they may not provide a stable surface for driving or walking.

In the following section, we list many common oyster shingle uses. Wherever there is a hyperlink beside an item, an article from Outdoor Aggregates about the topic is available.

4.shingle path with shrub border

Inspiration and Informational Articles

DIY-Friendly How-To Guides

Need to work out how many stone chippings your  project needs? Try our free gravel calculator.

Other Applications

Some other excellent applications for oyster shingle include:

  • Base for terrace, patios or outdoor seating areas
  • Sub base layers
5.oyster flint under garden leaves.jpg

Unsuitable For

The following list represents the kinds of applications that oyster shingle may not be suitable for:

  1. 1
    High-traffic areas such as driveways or pathways, as they cannot interlock with each other as effectively as angular stones
  2. 2
    Erosion control: On steep slopes or areas with significant inclines, the loose nature of the gravel can make it prone to movement which can be problematic on slopes. A gravel grid should be in place as a minimum.
  3. 3
    Play surfaces

Similar Alternatives to Oyster Shingle

The following is a list of decorative aggregates which are alternatives to oyster shingle. They may offer you a more suitable variation on the primary colour, a more economical option, or a close substitute for cases where the base material may be unsuitable for the project you are creating, e.g. angular options in place of rounded stones, for a driveway.

Name

Colours

Material

Size

Shape

Availability

Price

buff, white

10-20mm (0.4-0.8")

angular

UK, USA, EU

grey speckled

Granite

3-20mm (0.12-0.8")

angular

UK, USA, EU

pale yellow

5-20mm (0.2-0.8")

angular

UK, USA

black, white, grey, red

6-20mm (0.25-0.8")

angular

UK, USA, EU

golden, brown

Flint

10-20mm (0.4-0.8")

rounded

UK, USA

white

Marble

10-20mm (0.4-0.8")

angular

UK, USA, EU

Under £80

£80-£120

£120-£150

£150-£200

£200-£300

£300+

Maintenance

6.washing garden stones 1.jpg

When used with weed control fabrics, oyster shingle can significantly reduce the time spent on garden upkeep. with most work limited to raking and the occasional removal of debris. It is recommended to occasionally power wash the product in order to maintain its original color and prevent the buildup of algae or moss. Natural quarry materials may also have dust which should be washed off with water during installation. For areas with heavy foot traffic, such as paths or footpaths, replenishing the gravel may be necessary over time to maintain depth and coverage.

For more on how to clean gravel, read our article: how to clean garden stones.

Purchasing Tips

7.greenhouse through an archway orf leaves.jpg

When purchasing oyster shingle, consider the size options and quantity necessary for your project. Where available, it is cost-effective to request a sample to assess the stone's colour and quality against your design requirements.

Our gravel calculator will give you a quick and unbiased estimate for your project needs just by taking a few measurements of the space. It is one of the best and easiest ways to order the right amount and helps avoid shortfalls or over-spending. When buying an oyster shingle bulk bag or loose load, it can be more cost-effective than purchasing in smaller quantities. To save time and money, it's important to calculate accurately. Delivery logistics should also be taken into account, such as ensuring that the site is accessible for vehicles. Additionally, it's a good idea to check stock availability and consider any applicable VAT and transportation costs.

FAQs

What is oyster shingle and is it DIY-friendly?

Oyster shingle is a decorative aggregate composed of shell and limestone, commonly used in garden and landscaping designs. It is easy to handle and lay, making it an excellent choice for DIY garden projects.

How does oyster gravel benefit garden design?

Oyster gravel offers a natural, coastal aesthetic, is eco-friendly, and requires minimal maintenance, enhancing garden design with its unique texture and colour.

Can Lydd gravel be used for water features?

Yes, it's suitable for natural ponds and stone water features as it is fish-friendly.

How do I maintain oyster shingle in my garden?

Regular raking, debris removal, and occasional replenishment will keep oyster shingle areas looking pristine.

There are many wonderful types of gravel and aggregates available for your project needs. Check them out!

About the author 

Ben Parrot is a landscape gardener and amateur geologist. He is the founder of Outdoor Aggregates, with the mission to create the first encyclopaedia for decorative aggregates. From natural stone through to decorative bark, these aggregates are critical to garden and landscape design, universally.

The problem: There isn't any place where all the different types of decorative landscaping materials and construction aggregates can be found, nor are the specifications of each type readily available. So, enriched by his extensive experience, and inspired by the timeless elegance and raw beauty of stone and rock, etched by nature's artistry over millennia, Outdoor Aggregates was born.