Please see the full listing section below for comprehensive specifications, benefits and uses for plum slate — as well as links to inspirational garden ideas and do-it-yourself guides.
Plum Slate Chippings
Price range: £120.00 through £180.00 inc. VAT
Plum slate chippings bring a sophisticated, modern elegance to your garden with their rich purple-grey tones that deepen beautifully when wet, creating striking contrast in any setting.
These flat, angular chippings are available in 20mm and 40mm sizes — the smaller grade offers a comfortable, stable walking surface, while the larger delivers a bolder, more dramatic look. Perfect for:
- sleek garden pathways
- smart planting borders
- contemporary water features
- stylish driveways and patios
The interlocking shape provides excellent weed suppression and superb drainage, making plum slate chippings a low-maintenance, eco-conscious alternative to other mulch. A natural choice for creating a clean, striking outdoor space that stays looking fresh year-round.
Gravel Calculator
You need ≈ 640 kgs
(0.4 m³)
Note: No compaction/settlement included.
Add 10-20% extra for compaction & wastage if required.
Add 10-20% extra for compaction & wastage if required.
| Weight | N/A |
|---|---|
| Size | 20mm, 40mm |
| Weight | 20 x 20kg Mini Bags, 40 x 20kg Mini Bags, 850kg Bulk Bag |
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Specifications, Inspirational Ideas & DIY Guides
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Specifications, Why Professionals & Homeowners Choose, Applications, Inspirational Ideas, DIY Guides, Maintenance, Purchasing Tips, FAQs, Related Products
Overview
In my 15+ years using decorative aggregates through British gardens and commercial sites, I've come to rely on plum slate chippings for their unique qualities and subtle purple hues that deepen when wet—turning from soft plum tones to rich, glossy purples that add instant life under dull skies. Welsh plum slate comes in versatile sizes making them ideal for paths, driveways, borders, and mulch alternatives.Whether you're a homeowner refreshing your space or a landscaper like me tackling a commercial project, I'll walk you through our product specifications and all you need to know below to help you pick the perfect fit before purchasing.
Specifications
Why Professionals & Homeowners Choose Plum Slate Chippings
Plum slate chippings transform ordinary spaces with their natural purple tones that pop when wet, while delivering excellent drainage, weed suppression, and a resilient mulch option that perform exceptionally through UK winters. From hundreds of UK jobs, here are the real standout results about slate chippings:
- Exceptional drainage on sloped driveways: On a rainy Devon hillside project, 20mm plum slate prevented pooling entirely, keeping the surface firm for vehicles without any sub-base issues.
- Weed-free borders year-round: After laying purple slate mini mulch over membrane—no herbicides needed, saving hours of upkeep and looking great.
- Mulch alternative for planting beds: In a Manchester rockery, plum slate mulch retained soil moisture better than bark, keeping perennials low upkeep through dry spells.
- Low-maintenance resilience in high-traffic areas: For a commercial Edinburgh pathway, these chippings stayed put under footfall, with no fading after two harsh winters.
- Aesthetic boost for modern designs: A Surrey homeowner paired 40mm plum slate chippings with grey paving, creating a sleek contrast that elevated the entire patio vibe.
To give you a real feel for the transformation, here are some past examples from UK installations:
Applications
Plum slate excels thanks to their flat shape that locks together for stability, and the purple hues that complement greens, silvers, and bold flowers without overpowering. Here's where they shine best, with size tips based on past installs:
- Paths & Borders: Go for 20mm plum slate for a crisp, walkable surface that defines edges without shifting.
- Driveways: Use 40mm plum slate chippings for heavier traffic—locks in place and handles UK rain superbly on driveways.
- Mulch & Planting Areas: Plum slate mini mulch suppresses weeds while letting water through, ideal around shrubs.
- Water Features: 20-40mm purple slate gravel adds subtle sparkle around ponds without clogging filters.
- Rockeries & Slopes: 40mm for grip on inclines, or 60mm paddlestones to prevent erosion in exposed areas.
They suit contemporary, cottage, or minimalist UK garden styles, blending seamlessly for that polished yet natural look.
Inspirational Ideas
Exploring The Pros, Cons and costsBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Ever thought of using slate chippings for
Ben Parrot
Primer For The Amateur Landscape DesignerBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Using slate for pathways, with their composition
Ben Parrot
an introduction to the fundamentalsBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Welcome to our introductory guide for creating garden
Ben Parrot
DIY Guides
DIY Gravel pathway ConstructionBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Have you ever wondered how to build a gravel
Ben Parrot
9 Serene Types for Your Sacred SpacesBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Water features are a special kind
Ben Parrot
the Complete Step-By-Step, DIY GuideBy Ben Parrot – Landscape Gardener & Amateur Geologist Overview Welcome to our DIY guide on how to
Ben Parrot
Maintenance
Staying on top of plum slate chippings is simple—always lay a heavy duty membrane first to stop weeds emerging, then rake lightly every few months to redistribute after rain or use.
Top up as needed to refresh, and for cleaning, a gentle hose-down to remove quarry dust—check our guide on how to clean plum slate chippings for more detailed cleaning tips.
Purchasing Tips
Quarry batches can vary slightly in the blue shades, so it’s best to be prepared for some natural variation. Try to get what you need in the one load. Measure your area in square metres, aim for 5-7cm depth on paths or 10cm for driveways, and factor in 10% extra for settling.
FAQs
Is Welsh plum slate the same as purple slate chippings?
Yes, it's sourced from Welsh quarries for that authentic purple tone—I've used it on dozens of projects, and it consistently delivers richer colour than imports.
What's the best size for a plum slate driveway?
40mm plum slate chippings for stability under wheels; in my experience, it compacts well and drains fast on UK inclines.
Can I use 20mm plum slate as mulch?
Absolutely—it's a top performer for weed control and moisture retention around plants, outperforming wood chips in wet climates.
How does purple slate gravel change when wet?
It deepens to a glossy plum, adding wow factor; I've seen clients amazed at the shift in their gardens.
Are plum slate chippings suitable for slopes?
Yes, the angular edges grip well—I've installed on hilly sites with no slippage after proper base prep.
What's the difference between 20mm and 40mm plum slate chippings?
20mm is finer for paths and mulch, while 40mm suits driveways for better load-bearing; pick based on traffic.
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