Brandon K.
3 months ago
Verified
They were quick to reach out to me and fixed a typo of what I was looking for soil wise for my Raised Garden bed. But shout out to Hello Gravel for being quick to reply!
July 21, 2026
Sold by the ton
Black Slate Chips
$137.22/ton · material
Flat 1–2" dark slate pieces for beds and paths
Black slate chips are flat pieces of slate, a stone that splits into thin layers. Pieces run about 1 to 2 inches across and lie flat, so they overlap into a smooth, layered surface instead of a pile of chunks. The dark charcoal color sets off plants and light hardscape, and wet slate turns a deeper black. Use it in modern beds, borders, and around water features. Size varies slightly by location, and color runs charcoal to blue-black with some lighter streaks, varying by location.
Black slate chips are flat, layered pieces of dark slate about 1 to 2 inches, not Black Gravel, which is crushed, chunky, angular dark stone.
Also called: black slate, slate chips, slate gravel, crushed black slate, black slate mulch, slate landscape rock.
4.9· 1,934 verified reviews11,821 deliveries · 50 states
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Similar products
Decomposed GraniteFine granite that packs into a firm, natural path
White Marble ChipsBright white 3/4–1 1/2" stone for beds and borders
Red Lava RockLightweight 3/4–1 1/2" volcanic rock for beds and borders
Crushed Granite GravelAngular 1/2–1" granite for paths, beds, and patios
Black GravelDark gray to black 1/2–3/4" crushed stone for beds and borders
Hello Gravel Guarantee
Right material. Safe delivery. Real help if we miss.
How it works
- We fix what we control. Wrong material, confirmed fulfillment errors, or orders we cannot complete are reviewed for replacement, refund, or another fair resolution.
- Safe delivery comes first. The driver chooses the final safe dump location on site. If your requested spot is not safely reachable, we deliver to the closest safe location available.
- Plans change. You can cancel free up to one full business day before delivery. Next-business-day orders cannot be cancelled once confirmed.
- Natural material varies. Color, texture, moisture, dust, and sizing can vary by quarry, supplier, season, and region.
Product Specifications
- Material
- Natural slate
- Size
- 1"–2" (varies slightly by location)
- Shape
- Flat, layered pieces
- Weight
- ~2,100 lbs per cubic yard
- Coverage (3" deep)
- ~100 sq ft per ton
- Color
- Charcoal to black, varies by location
- Minimum Order
- 1 ton
- Delivery
- Dump truck, directly to your location
Best For
Modern bedsGarden pathsBed bordersAround water features
“We chose a delivery date. The driver dropped it exactly where I asked. I had never ordered gravel in my life.”
Why Choose This Product
Layered Look
Flat pieces overlap into a smooth, modern surface.
No Dye to Fade
Naturally dark stone that won't wash out.
Low Upkeep
Doesn't rot or need yearly topping off like mulch.
Delivery Included
The price you see includes dump-truck delivery to your site.
How Delivery Works
1
Browse Products
Explore our range of gravel, stone, and landscaping materials.
2
Calculate Amount
Use our calculator to find exactly how much you need.
3
Schedule Delivery
Pick a delivery date that works for your project timeline.
4
Delivered to Your Door
We deliver right to your driveway or job site.
Material calculator
Estimate how much black slate chips you need
Tell us the area and depth, and we'll work out the tons plus your delivered price.
Area shape
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top-dressingYour estimate
Enter your area to see the math
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Compare Materials
Current selectionBlack Slate Chips
MaterialNatural slate
Size1"–2" (varies slightly by location)
ShapeFlat, layered pieces
Weight~2,100 lbs per cubic yard
Coverage (3" deep)~100 sq ft per ton
ColorCharcoal to black, varies by location
Minimum Order1 ton
DeliveryDump truck, directly to your location
Coverage (2" deep)—
Best For
Modern bedsGarden pathsBed bordersAround water features
River Rock
MaterialNatural river stone
SizeAbout 1–3" (varies by location)
ShapeRounded / smooth
Weight~2,700 lbs per cubic yard
Coverage (3" deep)—
ColorVaries depending on location
Minimum Order1 ton
DeliveryDump truck, directly to your location
Coverage (2" deep)~100 sq ft per ton
Best For
LandscapingDry creek bedsWater featuresGround cover
Decomposed Granite
MaterialDecomposed granite
Size—
ShapeVaries depending on location
Weight~2,700 lbs per cubic yard
Coverage (3" deep)—
ColorVaries depending on location
Minimum Order1 ton
DeliveryDump truck, directly to your location
Coverage (2" deep)~100 sq ft per ton
Best For
PathwaysPatiosXeriscapingDog runs
Black slate chips lie flat for a layered, modern look. Pick river rock for smooth, rounded stone, or decomposed granite for a packed path surface.
What customers say
4.92(205 reviews)
What customers say
Hello Gravel excels at smooth ordering and responsive communication, though delivery consistency and accuracy issues concern some customers.
Most mentioned
Easy ordering processResponsive communicationOn-time delivery
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Pamela D.
3 months ago
Verified
Hello Gravel cared more about the structural integrity of my house than they did about making the sale. I was trying to place an order to buy dirt to place between a retaining wall and footings at the base of columns that hold up my house. They could have just sold me anything for profit, but they told me to go get the advice of a structural engineer, knowing that the structural engineer would probably order the dirt himself and possibly from another company. That’s integrity.
July 16, 2026
Eric F.
3 months ago
Verified
Flawless ordering, logistics and delivery
July 16, 2026
Kimberly B.
3 months ago
Verified
Easy to work with, order is filled right away, even same day. Friendly.
July 15, 2026
Josie O.
3 months ago
Verified
I was very impressed with the communication and how quickly I could have the pea gravel delivered. The website is easy to navigate also.
July 8, 2026
Muhammad M.
3 months ago
Verified
It was ordered and delivered smoothly due to the great help from the staff ( Tereza ).
July 8, 2026
Frequently Asked Questions
Use the calculator with your length, width, and depth. A 2 to 3 inch layer gives full coverage. One ton covers about 100 square feet at 3 inches deep.
Black slate chips are flat and layered, so they lie down and overlap. Black Gravel is crushed dark stone with chunky, angular pieces. Pick slate for a flat, layered look. Pick black gravel for a uniform dark gravel.
Yes, for casual garden paths. The flat pieces settle and overlap into a fairly even surface. Edging keeps it in place. It's not a good fit for driveways, where tires break and scatter the chips.
Slate is naturally dark, so there's no dye to wash out. Dry slate looks lighter and grayer than wet slate, and some pieces show lighter streaks. That's normal for natural stone.
Fresh slate pieces can have thin, sharp edges. Wear gloves when you spread it, and skip it for play areas and dog runs.
By dump truck, straight to your property. The driver dumps it in one pile where you choose. Pick a firm, level spot the truck can reach, clear of cars and overhead wires. Delivery is included in the price you see.
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