,

Plum Slate Chippings

Price range: £120.00 through £180.00

Deep plum, occasional hints of blue or grey coloured slate chippings in sizes from 10mm — 40mm bla bla. Slate chippings come available in a range of sizes from mini mulch, ranging from 2-14mm, 20mm, 40mm, 60mm and larger diameter.

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Description

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.

Additional information

WeightN/A
Chippings Size

20mm, 40mm

Weight

20 x 20kg Mini Bags, 40 x 20kg Mini Bags, 850kg Bulk Bag

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gravel calculator.

Specifications

Plum slate chippings specifications
Spec table.

Why Pros & Homeowners Choose Plum Slate Chippings (Real Results I’ve Seen)

By Ben Parrot – Landscape Gardener & Amateur Geologist

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In my experience, plum slate chippings deliver one of the quickest, most dramatic garden transformations you can get. The rich plum-purple colour brings sophistication and depth, while the practical perks make them a no-brainer for busy homeowners and pro landscapers alike. After laying slate chippings on hundreds of projects, here are the standout wins that keep clients coming back:

  • Instant luxury upgrade — That deep plum-purple tone (especially stunning when wet) makes any garden feel high-end and sophisticated
  • Serious weed control — Paired with good membrane, it saves hours of weeding every season — clients tell me it’s a game-changer
  • Rock-solid stability — The flat, angular pieces lock together beautifully, perfect for driveways and paths that stay neat for 10+ years
  • Low-effort beauty — Minimal maintenance; a quick rake and occasional hose-down keeps the rich colour popping year-round
  • Plant-friendly magic — Retains moisture in dry spells, protects roots like a premium mulch, and the colour contrast makes silver foliage, lavender, and white blooms absolutely pop
  • Water-feature wow — Deepens to a jewel-like glow around ponds and streams — 100% fish-safe and looks incredible after rain

Applications

I’ve laid 40mm plum slate on countless driveways because the larger, chunkier pieces bed down rock-solid under tyres and resist shifting. For footpaths, patios and borders, I almost always go with 20mm — it’s flatter, more comfortable to walk on, and compacts beautifully.

What makes plum slate special is how the colour deepens and glows when wet — it’s magical around water features, ponds, or even just after a shower. The flat, angular pieces create a firm, stable surface that won’t scatter like rounded gravel, too.

Slate mini mulch in garden pot
slate mini mulch in garden pot | Outdoor Aggregates

Inspiration and Informational Articles

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About

AboutA Statement About Our MissionFounded in March 2023, Outdoor Aggregate’s fundamental purpose is to establish the first comprehensive, online…

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Team

TeamOutdoor Aggregates is more than just a brand; it’s a family. A group of dedicated individuals who share a…

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Ben Parrot – Bio

Ben Parrot – Bio Ben’s journey began with a simple love for the outdoors, which soon blossomed into a…

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Jan Barrett – Bio

Jan Barrett – Bio Capturing the beauty of our projects with her lens, Jan is the eye behind the…

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Home

Create stunning outdoor spaces with decorative aggregatesOutdoor Aggregates is the only comprehensive encyclopaedia for decorative aggregates and one-stop shop…

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DIY-Friendly How-To Guides

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

Close up of 20mm 40mm plum slate
close up of 20mm 40mm plum slate | Outdoor Aggregates

Maintenance

Sweeping slate chips
sweeping slate chips | Outdoor Aggregates

Plum slate is genuinely low-effort once laid right. Hose off any dust straight away — the true plum shines through.. Install a heavy duty membrane underneath and most of your work is done — just occasional raking to even things out and clearing leaves before they rot.

Every 3–5 years, you might add a thin top-up layer as some pieces work into the soil. A gentle power wash once a year refreshes that rich colour.

That occasional white haze? Totally normal — just salts from the soil rising up. It washes away and doesn’t harm anything. For more cleaning tips, check my guide: how to clean garden stones.

40mm plum slate shown wet
40mm plum slate shown wet | Outdoor Aggregates

FAQs

What is purple shingle?

It’s just another name for crushed purple/plum slate like this — a natural, decorative gravel that’s become hugely popular for adding elegance to gardens, paths, and features.

Why are my slate chippings turning white?

It’s harmless salts drawn up by rain/groundwater evaporating on the surface. Hose it off — the colour bounces right back.

Do weeds grow through slate chippings?

They can if you skip the base layer. Always lay a good weed-proof membrane first — it makes a massive difference.

What are the common uses of plum slate chippings in landscaping?

Paths, driveways, borders, mulch, rockeries, water features, planters, patio infill — basically anywhere you want low-maintenance beauty with a luxurious feel.

Are plum slate chippings suitable for driveways?

Absolutely, especially the 40mm size. The flat shape interlocks well and handles vehicles for years without shifting much.

Can I use plum slate chippings around ponds and fish?

Yes — 100% fish-safe and perfect for edging ponds or streams. The colour looks incredible wet!

There are loads more slate varieties to explore → See all slate chippings.

There are many other varieties of slate chippings available for your project. Check out them out!

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