Plum Slate 20mm
Available in: Bulk Bag, Large Pack
Fish friendly: Yes
Stone size: 20mm
Plum Slate Decorative Aggregate is a warm 20mm slate in soft plum and purple tones with cool blue-greys, and a distinctive flat, angular shape. Muted when dry and richly plum when wet, it’s perfect for borders, paths, water features, and pots. Hard-wearing, free-draining, and available in bulk bags or large packs.
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| Pack Size |
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Bulk Bag |
Large Pack |
Description
Add warmth, depth, and natural character to your outdoor space with our Plum Slate Decorative Aggregate. These distinctive 20mm slate pieces display soft plum and purple undertones alongside cool blue-greys, with the flat, angular, plate-like shape that makes slate so instantly recognisable. The result is a rich, characterful finish that brings a subtle splash of colour and a refined, contemporary edge to any garden, border, or feature area.
The flat, layered slate pieces sit neatly together to create a sleek, low-profile surface full of natural variation. When dry, the slate has a soft, muted grey-plum tone; once wet, the colours truly come alive, deepening into beautiful rich plums and purples that show off the stone’s natural beauty at its best. It’s this striking colour change that makes Plum Slate one of the most popular and versatile decorative aggregates around.
Hard-wearing and versatile, this aggregate is ideal for a wide range of landscaping projects. Use it to dress borders and beds, create attractive pathways, top water features, or finish pots and planters with a warm, contemporary layer. Plum Slate pairs beautifully with green planting, light paving, timber, and grasses, where its warm purple tones add real depth and contrast.
As well as looking great, slate is low-maintenance and free-draining, helping to suppress weeds and keep surfaces neat all year round. The flat 20mm flakes knit together well to give excellent ground coverage and a tidy, attractive finish that works as well in feature areas as it does across larger spaces.
Supplied in convenient bulk bags or large packs, our Plum Slate Decorative Aggregate makes it easy to order exactly the right amount for projects of any size. As a guide, we recommend a coverage depth of around 40–50mm for paths and borders.
For help with quantities and coverage, please view our aggregate calculator (click here).